diff --git a/_offline/events.json b/_offline/events.json deleted file mode 100644 index 3016f12c..00000000 --- a/_offline/events.json +++ /dev/null @@ -1,6630 +0,0 @@ -[ - { - "created": 1375130969000, - "id": "132031092", - "name": "BitDevs NYC Meetup 1", - "rsvp_limit": 30, - "date_in_series_pattern": false, - "status": "past", - "time": 1375916400000, - "local_date": "2013-08-07", - "local_time": "19:00", - "updated": 1375927636000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 30, - "venue": { - "id": 13825042, - "name": "xCubicle", - "lat": 40.71549606323242, - "lon": -73.99002838134766, - "repinned": false, - "address_1": "25 Essex St", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10002", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/132031092/", - "description": "

This will be our first meetup. We will ease into it: we will lay out some basic ground rules, make introductions and jump off from there.

Some topics we can jump off with: BIPs 70-72 (merchant services), off-chain transactions, untapped features of Bitcoin protocol (MasterCoin/colored coins, multi sig transactions, etc...), among others.

", - "visibility": "public" - }, - { - "created": 1376013786000, - "id": "133848062", - "name": "BitDevs NYC Meetup #2", - "rsvp_limit": 35, - "date_in_series_pattern": false, - "status": "past", - "time": 1377126000000, - "local_date": "2013-08-21", - "local_time": "19:00", - "updated": 1377137519000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 19, - "venue": { - "id": 13825042, - "name": "xCubicle", - "lat": 40.71549606323242, - "lon": -73.99002838134766, - "repinned": false, - "address_1": "25 Essex St", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10002", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/133848062/", - "description": "

Topics: TBD, let's see how these next two weeks play out. Lot's of exciting stuff on the horizon.

This time around we will have plenty of material to work with, lots of cool stuff to throw up on the projector, etc...

If you RSVP and can't make it please don't forget to cancel your spot. Much appreciated.

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Some topics we [can] discuss: CoinJoin, CoinWitness, BitShares, Freimarkets, MasterCoin, BIP 72 updates, javascript Bitcoin address generation, and more.

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Some topics to discuss:

•Pynode

• Coin Control

• Bluetooth Bitcoin transactions

• BIP0039

• QT .8.5

• SHA Collision rewards

• and more...

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Topics:

• One-way Aggregate Signatures (ZeroCoin Alternative)

• Android Bluetooth transactionsNSA and ECC update

• C# Bitcoin RPC Library

• Salvaging refund protocols from malleability attacks with P2SH

• Decentralized Anonymous Credentials (from the makers of ZeroCoin)

• Identity Protocol v1 (SINs)

• Joe's color coin project.

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Topics: TBA

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Core dev:

• Core Development Update #5

• \"Reject\" transaction error message implementation

• Compact Fraud Proofs

• Pay to contract with forgeability (chameleon hash)

• Spying Nodes?

• Confidence Chains

• BIP 70-72 for Onion URLs

Tools:

• Google Glass Bitcoin App

• Bitcoin SCI (PHP transaction tx processor) vulnerability

• Blockchain.info CoinJoin implementation weaknesses

• pybitcointools

• Bitcoinj[masked]

• Raw Tx Tool: CoinControl

• Bit2Factor (BIP 0038)

• Goshakk, BitEscrow (Multi Sig)

• bitcoind for ARM / Cubieboard / Raspberry Pi

Misc:

• Phone.com BitDevs perks

BitDevs is being franchised

As always come prepared with your own topics to discuss. If you have a project you are working on and would like to present, just shoot me an email.

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Topics:

Core Dev:

• Selfish Mining - Overwrought Criticism

• Off-chain anonymous transactions by secure transfer of private keys

• CoinSwap

• Extending the Payment Protocol with vCards

• P2Pool Upgrades

• High-speed Bitcoin Relay Network

• Reduce latency in network processing

• Implementing CoinJoin in main client?

• OSX 10.9 Mavericks AppNapp & Bitcoin-QT Issues

• DoS-ban on blocks that contain invalid proof-of-work

Tools:

• Raw TX Tool Written in Java

• CoinJoin Blockchain.info implementation now in the wild

 

Presentations:

• Max H - BitDeliver

• Charles Hope, Dan Patterson - EarlyTemple

As always, if you've got something you'd like to present just shoot me an email and come prepared.

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Topics: TBA

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I won't be around this time, the Meetup will be led by Pat, Hernan, and Steve!

Core Dev:

Bitcoin-Qt / bitcoind .8.6 released
Accelerating Bitcoin's transaction processing proposal
Selfish Mining Simulation:
Bitcoin is running 32 bit systems out of virtual memory:
Smart floating fees for the client:
Allow mining RPC with --disable-wallet:
Interesting Block propagation time speedup proposal
The coolest Bitcoin transaction of all time (secure multiparty computations on Bitcoin):

---------------

Tools:

BIP 0038 has been implemented in Java:
Bitcoin implementation in Go that can:
  Create Private/Public keys
  Create BIP 0038 encrypted keys
  Create BIP 0038 intermediate codes
Block explorer written in python
Mastercoin is a joke?
Bitcoin 0.8.5-OMG10 released

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• 

NYC Bitcoin Center / Grand Central Ventures Cryptocurrency MHacks Hackathon

Core Dev:

Proof of Burn • Proof of Bet

• Scripts, an Introduction

• Briefly profitable Litecoin Mining on an Amazon EC2 GPU instance

• Timelocked Transactions, a walk through

• python-obelisk

• NSA and ECC, a quick review of Koblitz curves

• Fair Two-Party Computations via Bitcoin Deposits

• Watch only addresses in QT (rebased)

• Smart (floating) fees for Qt

• Relay first-double-spend transactions

• Block download related improvements

• 'hdderive' RPC, a generic BIP32 calculator

• Stealth Addresses / Stealth Payments

• Syncing your SPV wallet, privacy leaks abound.

• BIP Proposal: Authenticated Prefix Trees

• DarkWallet Best Practices (Draft)

• Censorship-resistance via timelock crypto for embedded consensus systems

• Merge Avoidance

Tools:

Minikey Generator (C) • TP's Go Bitcoin Tests

• BIP32.org (Javascript)

• Chroma Wallet (Python)

• Cointrace

• CoinMessage (Python)

• CoinJoin (Rust)

• Paperwal (Python)

• Testnet Block Explorers Recover lost Bitcoin wallets from dead hdds (Shell)

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Alrighty guys, we have an addition to the BitDevs monthly lineup. Bring your computers!

We will still be having our regular BitDevs discussion/formal meetup at xCubicle (larger venue soon to come) twice a month. However, on the alternating weeks we will now have a social and collaborative meetup where developers building tools/services/hardware for the cryptocurrency can collaborate, help one another, socialize, chill out and have a good time.

We are holding it Wednesday because of the short notice, but it will move back to Tuesday's at the next collaborative meetup, February 4th. Contact me or comment with any questions.

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Hey everyone,

For those of you who attended the last meetup, you are aware that Steve and I are putting together a localized forum dedicated to the discussion, collaboration, and critique of software for financial applications that use open source. The goal is to foster a community where community members can showcase their knowledge and expertise in a online setting that acts as an adjunct to our meetups and financial software development in NYC as a whole.

While it will be for New York developers at inception, we imagine the concept spreading to new locales as our legitimacy becomes established. There will be sub-forums for meetup groups like BitDevs as well as general discussion forums for various languages and other pertinent aspects of financial software development.

If you would like to take part in this community and have some say about its future direction and functionality, Steve and I are holding a meeting to discuss the details this Tuesday at 6PM at the Starbucks in the financial district at 55 Liberty Street, corner of Nassau. There a bunch of Starbucks in the neighborhood, make sure you have the right one!

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 Core dev:

• Redecentralization: building a robust cryptocurrency developer network

• Scripts, in depth

• discussion: reusable addresses with identity based encryption

• Let's talk Bitcoin Adam Back interview (creator of HashCash, the inspiration for Bitcoin's POW) - committed tx, homomorphic value, fungibility, privacy

.9rc1 - open issues that need to be resolved before release

• Stealth addresses don't scale to SPV nodes. An alternative name, static.

• Bait for reusable addresses - help with SPV node privacy, a proposal

• BIP 0032 - HD Wallets, wiki rewrite (more readable)

---------

cryptocurrency related

• Ethereum - Comments and concerns

ethereum's Dagger POW flawed?

-----------

tools:

bitc
andytoshi's coinjoin
Bitcoin MultiSig

---------

Presentations:

• Steve B - Secure Bitcoin Storage on a bootable USB (hardened host OS for wallet, jailed VM for general computing)

• Ryan Shea - coinkit

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Bring you computers and something cool (cryptocurrency related) to hack!

Music, pizza, and good vibes all around.

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• 0.9.0rc1

• bitcoinj .11 Released

• Mt Gox, negligence and self pity

• Tx fee malleability BIP

• Embedded consensus system upgrade procedures

• [Qt] show fee warnings in optionsdialog

 Tools

• Bitlib - C# Bitcoin Library / RPC Wrapper

• bitc

Presentations:

• Joe - Gaming on the Blockchain

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Bring your computers and something cryptocurrency related to work on! Chill vibes, good music and great people. 

This time around we will have a spreadsheet on the projector with active member projects. If you are looking for help on your project or want to see what other people are working on this would be a great place to do it (thanks for the idea Steve).

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Big news!

BitDevs will be hosting its first hackathon on Feb. 22, 2014 @ the NYC Bitcoin Center. This is a capture the flag type event where players put their information security and Bitcoin knowledge to the test.

The playing field is a vulnerable web application, an online Bitcoin wallet. Players and spectators contribute funds to this wallet. (Cash will be exchanged for Bitcoin.)

The winner is the player who successfully penetrates the server, accesses the working wallet account, and sends the Bitcoin therein to their own personal address. Winner takes all!

There are three objects to this game:

• 1. To have fun

• 2. To learn about information security and Bitcoin

• 3. To capture the coin

Think you have what it takes? Prove it! Play Capture the Coin! Please contact me with any questions. If you are interested in sponsoring the event, that can be arranged as well.

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Hey guys, please RSVP as we will need to check names at the door.

Topics: TBA

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All you need to bring are your laptops and good vibes. Socialize, work and collaborate. We will have a spreadsheet up soon where you can post up your projects, find collaborators, etc...

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Olande's Blind Solvency Proof (inspired by Gmaxwell)
https://github.com/olalonde/blind-solvency-proof

Leaked Gox Code (PHP) and some commentary - Know PHP? Take a look and tell us your thoughts tomorrow!
http://pastebin.com/W8B3CGiN
https://news.ycombinator.com/item?id=7332391

Green Addresses, Dodged Bullet (extension of gox situation)
http://www.reddit.com/r/Bitcoin/comments/1zef5c/green_addresses_an_accidentally_dodged_bullet/

Blockchain.info's Recieve API, sketchy
http://www.reddit.com/r/Bitcoin/comments/1zjqgg/dangers_of_using_blockchaininfo_receive_api_they/
http://www.reddit.com/r/Bitcoin/comments/1znnmr/warning_something_wrong_with_blockchaininfo_wallet/

Zero KNowledge Contingent Payment (Hash locked transactions, we've gone over this before but the wiki page got a nice update)
https://en.bitcoin.it/wiki/Zero_Knowledge_Contingent_Payment

Weekly Hashrate Contributor and Network Statistics
http://organofcorti.blogspot.de/2014/03/march-2nd-2014-weekly-hashrate.html

0.9.0rc2
https://bitcointalk.org/index.php?topic=495683.0

Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/3845
https://github.com/bitcoin/bitcoin/pull/3843
https://github.com/bitcoin/bitcoin/issues/3816
https://github.com/bitcoin/bitcoin/issues/3810
https://github.com/bitcoin/bitcoin/issues/3794
https://github.com/bitcoin/bitcoin/pull/3764
https://bitcoin.stackexchange.com/questions/22716/bitcoind-sendfrom-round-amount-error / https://bitcoin.stackexchange.com/users/147/wumpus
https://github.com/bitcoin/bitcoin/pull/3753

GnuTLS Bug
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/7361
http://arstechnica.com/security/2014/03/critical-crypto-bug-leaves-linux-hundreds-of-apps-open-to-eavesdropping/

Poloniex Hacked
http://www.coindesk.com/poloniex-loses-12-3-bitcoins-latest-bitcoin-exchange-hack/

Flexcoin Hacked
http://feeds.arstechnica.com/~r/arstechnica/technology-lab/~3/gsiNcAI09qk/

Stealing Bitcoin (don't use brainwallets with low entropy!)
http://www.palkeo.com/code/stealing-bitcoin.html

BIP 0038 Cracker (i haven't looked at code, check before using!)
https://github.com/cscott/bip38-cracker
https://github.com/notespace/bip38-cracker

Address/transaction Visualizer (old)
https://github.com/thallium205/BitcoinVisualizer

Blockchain Parser
https://code.google.com/p/blockchain/

Extract all transactions into an ASCII comma seperated txt file
http://codesuppository.blogspot.com/2014/03/how-to-extract-every-single-bitcoin.html

 Transaction Input Signatures in the Bitcoin Blockchain over time
http://codesuppository.blogspot.com/2014/03/transaction-input-signatures-in-bitcoin.html   

Find Reachable nodes in the network
http://getaddr.bitnodes.io/

bitcoinjs-lib (coming together nicely)
https://github.com/bitcoinjs/bitcoinjs-lib

Nimblecoin
http://nimblecoin.com/

Law firm using multi sig and smart contracts
http://empoweredlaw.com/

Verify QT signatures
https://github.com/ningzhang/bitcoin-message-verifier

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For those of you interested, there is a one day academic conference happening at Princeton Thursday which will have panels/talks with Gavin, Peter Todd, Gregory Maxwell, Matthew Green, Andrew Miller and other heavy hitters in the crypto / bitcoin / alt coin space. You can check out the details and RSVP here, it's free: https://citp.princeton.edu/event/bitcoin/

Core Dev:

0.9.0 Released
https://bitcoin.org/bin/0.9.0/README.txt

OP_RETURN reduced to 40 bytes, beefin
https://bitcointalk.org/index.php?topic=395761.msg5815887#msg[masked]
https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg04363.html

Network Hashrate Stats + Unknown miners
http://organofcorti.blogspot.de/2014/03/march-23rd-2014-weekly-hashrate.html
http://organofcorti.blogspot.de/2014/03/181-who-owns-1htm4tysxf5yzklpco6mtuunfs.html

Pull requests
https://github.com/bitcoin/bitcoin/pull/3939
https://github.com/bitcoin/bitcoin/pull/3912
https://github.com/bitcoin/bitcoin/pull/3889
https://github.com/bitcoin/bitcoin/pull/3860

bitcoinj - Payment protocol experiments: BIP72 via Bluetooth and signing
https://groups.google.com/forum/#!msg/bitcoinj/kW-8SbAFZMI/Z6mnyInWHvoJ

Pybitcointools 1.1.6
http://www.reddit.com/r/Bitcoin/comments/212yee/pybitcointoolspybtctool_your_universal_python/

Electrum 1.9.8 Released + some issues / 2 of 3 escrow / Multi Factor Backups
https://bitcointalk.org/index.php?topic=518133.new
http://comments.gmane.org/gmane.comp.bitcoin.devel/4323 (see: greg's reply)
http://www.reddit.com/r/Bitcoin/comments/212tcp/fragmented_backups_in_electrum_guide/

Armory .91 Beta, testers needed
https://bitcointalk.org/index.php?topic=522866.0

Bitcore Browser Roller
http://blog.bitpay.com/2014/03/18/introducing-the-bitcore-browser-roller.html

Attacks against SHA-256 and redesign of the block header?
http://bitslog.wordpress.com/2014/03/18/the-re-design-of-the-bitcoin-block-header/

Someone's impersonating Gavin (PGP keys)
http://gavintech.blogspot.de/2014/03/it-aint-me-ive-got-pgp-imposter.html

Canadian Bitcoins 'hacked'
http://www.ottawacitizen.com/business/Ottawa+bitcoin+exchange+defrauded+cyber+currency/9628321/story.html

Alts/Tools/Misc
Mixcoin
http://eprint.iacr.org/2014/077

Permacoin
http://cs.umd.edu/~amiller/permacoin.pdf

Ethereum
http://blog.ethereum.org/2014/03/20/the-latest-evm-ethereum-is-a-trust-free-closure-system/
http://blog.ethereum.org/2014/03/20/the-question-of-mining/

NimbleCoin (will actually go over it this week) / MinCen Protocol / Block optimizations
http://nimblecoin.com/
http://bitslog.wordpress.com/2014/03/20/mincen-a-new-protocol-to-achieve-instant-payments/#comment-2434
http://bitslog.wordpress.com/2014/02/17/5-sec-block-interval/

Altcoin Idea
http://blog.oleganza.com/post/79783931404/idea-of-a-useful-altcoin

Pay-to-Revoke
https://bitcointalk.org/index.php?topic=525317.0

Malleability, deposits and atomic cross chain transfers
https://bitcointalk.org/index.php?topic=515370.0

Implementation of Bitcoin in Objective-C
https://github.com/oleganza/CoreBitcoin

C# Bitcoin Node (alpha!)
https://github.com/pmlyon/BitSharp

Block Explorer (Go)
https://github.com/tsileo/btcplex

Proof of Liabilities (Clojure, Ruby)
https://github.com/zw/PoLtree
https://github.com/peatio/liability-proof

Watch only addresses in bitcoind
http://www.wildbunny.co.uk/blog/2014/03/18/watch_only_wallet/?v=1

Block Parser (C++)
https://github.com/znort987/blockparser

Price Correlator (lol)
http://www.kimonolabs.com/bitcoin/correlator

Coinmetrics
http://www.coinometrics.com/bitcoin/mix

Reality Keys
https://www.realitykeys.com/

Conformal (authors of btcd, Go implementaiton of bitcoin) is looking for interns
https://blog.conformal.com/2014-summer-internships-hacking-on-bitcoin-with-go/

Michael Wozniak:
https://github.com/wozz/bitmsg_webui

Remember to bring topics you would like to discuss; if you are interested in presenting just reply to this email and let me know.

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Just a heads up we are meeting at Poly this week, NOT the Bitcoin Center.

Bring your computer and come chill, get some work done and find collaborators, cofounders, etc...

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Core Dev:

\"New\" Bitcoin Core Maintainer!

https://bitcoinfoundation.org/blog/?p=677

Issues/Pull Requests:

https://github.com/bitcoin/bitcoin/pull/3965

https://github.com/bitcoin/bitcoin/issues/4007

https://github.com/bitcoin/bitcoin/pull/4011

https://github.com/bitcoin/bitcoin/pull/3977

https://github.com/bitcoin/bitcoin/pull/3994

Draft BIP - Shamir Secret Sharing

https://github.com/whitslack/btctool/blob/bip/bip-xxxx.mediawiki

BIP 42 - A finite monetary supply for Bitcoin (lol)

https://github.com/bitcoin/bips/blob/master/bip-0042.mediawiki

Gox/Malleability Analysis

http://arxiv.org/pdf/1403.6676v1.pdf

Node Use on the Decline?

http://getaddr.bitnodes.io/dashboard/chart/?days=60

Mining Statistics

http://organofcorti.blogspot.com/2014/04/april-6th-2014-weekly-hashrate.html

Unknown pool on its way up, propagating blocks with 2 base system pattern?

http://www.reddit.com/r/Bitcoin/comments/22cohy/8024121746_mining_18_blocks_today_containing/

Libbitcoin Splitting

https://wiki.unsystem.net/index.php/Libbitcoin#split_project

GUI for sx (I have NOT looked at this code, tread with caution of course)

https://github.com/spesmilo/sx/tree/master/tools

Chain Archeology, Revisited

https://bitcointalk.org/index.php?topic=507458.0

http://bitslog.wordpress.com/2014/04/03/chain-archeology/

Satoshi Spent 50BTC (that we know of), where are they now?

https://bitcointalk.org/index.php?topic=548508.0

Threshold Signatures:

http://www.cs.princeton.edu/~stevenag/bitcoin_threshold_signatures.pdf

Heartbleed OpenSSl bug

http://heartbleed.com/

Alt/Misc:

Blockchain Scripting Contest

http://www.reddit.com/r/Bitcoin/comments/21f7o2/blockchain_scripting_contest_first_trial/

BitCube (store your private key in a rubik's cube)

http://www.reddit.com/r/Bitcoin/comments/21slk4/introducting_bitcubepy_a_creative_way_to_store/

https://github.com/Random101/BitCube

Flexcoin and Poloniex Hacks Revisited

http://hackingdistributed.com/2014/04/06/another-one-bites-the-dust-flexcoin/

Ethereum v2 Whitepaper

https://github.com/ethereum/wiki/wiki/Whitepaper-2-Draft

SchellingCoin: A Minimal-Trust Universal Data Feed

http://blog.ethereum.org/2014/03/28/schellingcoin-a-minimal-trust-universal-data-feed/

DPOS (BitShares)

http://107.170.30.182/security/delegated-proof-of-stake.php

Counterwallet

https://www.counterwallet.co/

Decentralized networks for instant, off-chain payments (proposal and proof of concept, oldish)

https://en.bitcoin.it/wiki/User:Aakselrod/Draft

https://github.com/aakselrod/libtxchain-java

Fawkescoin:

http://www.jbonneau.com/doc/BM14-SPW-fawkescoin.pdf

Presentations:

Michael Flaxman & Tom

Michael from CoinSafe.com is in town for the conference and will be giving a talk on how to secure your bitcoin using cold storage. He'll be explaining the core elements of cold storage: air gapped machines, random number generation, symmetric encryption, and Shamir's Secret Sharing Scheme. He'll also be reviewing the Bitcoin protocol so you can better understand the fundamentals. The goal is to build a system that has no single point of failure, is impenetrable by attackers, and recoverable even if you forget your password. By the end of the talk, you'll know not only how to store Bitcoin securely, but also some very common mistakes that people make when using cold storage.

Kyle Drake

Kyle is also in town for the conference and will be talking about some of his work on Coinpunk and bitcoinjs-lib!

", - "how_to_find_us": "Take the C or the E to Spring St (20 mins from javits)", - "visibility": "public" - }, - { - "created": 1397154234000, - "id": "176452112", - "name": "Social/Collaborative Gathering 6", - "date_in_series_pattern": false, - "status": "past", - "time": 1397602800000, - "local_date": "2014-04-15", - "local_time": "19:00", - "updated": 1397617055000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 17, - "venue": { - "id": 17750402, - "name": "NYC Bitcoin Center", - "lat": 40.70579147338867, - "lon": -74.01146697998047, - "repinned": false, - "address_1": "40 Broad Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/176452112/", - "description": "

Bring your computers, come chill and get some work done. Some notable projects being discussed: osfda.org server setup, node w/ dropped tx database and many more. Feel free to add your project to this spreadsheet.

", - "visibility": "public" - }, - { - "created": 1397689761000, - "id": "177568352", - "name": "Socratic Style Meetup 18", - "rsvp_limit": 60, - "date_in_series_pattern": false, - "status": "past", - "time": 1398207600000, - "local_date": "2014-04-22", - "local_time": "19:00", - "updated": 1398224558000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 34, - "venue": { - "id": 18407102, - "name": "NYU-Poly", - "lat": 40.72590255737305, - "lon": -74.00621795654297, - "repinned": false, - "address_1": "137 Varick Street", - "city": "2nd Floor ", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/177568352/", - "description": "

Core Dev:

0.9.1 (Heartbleed Fixes)

https://bitcoin.org/en/release/v0.9.1

Wladimir's top priorities

http://www.coindesk.com/wladimir-van-der-laans-top-four-priorities-bitcoin/

Economics of Information Propagation Delay (Discussion, nothing conclusive)

http://sourceforge.net/p/bitcoin/mailman/message/32249644/

Tree Chains

https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg04388.html

Side Chains:

One way peg: http://sourceforge.net/p/bitcoin/mailman/message/30868065/

Two way peg: http://sourceforge.net/p/bitcoin/mailman/message/32108143/

General proposal: http://sidechains.com/

Feasibility discussion: https://bitcointalk.org/index.php?topic=566704.0

Spin-Offs

https://bitcointalk.org/index.php?topic=563972.0

Github - Open Pull Requests/Issues

https://github.com/bitcoin/bitcoin/pull/4076

https://github.com/bitcoin/bitcoin/pull/4048

https://github.com/bitcoin/bitcoin/pull/4067 (not received well)

https://github.com/bitcoin/bitcoin/issues/4065

https://github.com/bitcoin/bitcoin/issues/4060

https://github.com/bitcoin/bitcoin/pull/4058

https://github.com/bitcoin/bitcoin/issues/4057

https://github.com/bitcoin/bitcoin/pull/4055

https://github.com/bitcoin/bitcoin/pull/4050

https://github.com/bitcoin/bitcoin/pull/4045 (watch only, round 3)

https://github.com/bitcoin/bitcoin/pull/4042

Bitcoin Core Nightly Builds (Testers needed)

https://bitcointalk.org/index.php?topic=571414.0

The Private Automatic Miner Backbone Protocol (PAMBA)

https://bitslog.wordpress.com/2014/04/19/the-private-automatic-miner-backbone-protocol-pamba/

CoinShuffle

http://crypsys.mmci.uni-saarland.de/projects/CoinShuffle/coinshuffle.pdf

Multibit Issues

http://www.coindesk.com/multibit-user-loss-high-need-bitcoin-wallets/

https://github.com/jim618/multibit/issues/230

BitUndo

http://www.bitundo.com/

http://www.reddit.com/r/Bitcoin/comments/234iem/bitundo_allowing_you_to_undo_bitcoin_transactions/cgtg0qq

Replace-by-fee: http://www.reddit.com/r/Bitcoin/comments/235zv5/why_you_should_mine_with_replacebyfee_a/

Proposal: Preventing mining pools

https://bitcointalk.org/index.php?topic=569403.0

Misc/Tools:

FawkesCoin (didn't go over this last week)

http://www.jbonneau.com/doc/BM14-SPW-fawkescoin.pdf

bitcoinvigil

http://www.bitcoinvigil.com/

Counterparty Nodeshares Initiative

https://www.counterparty.co/full-bitcoin-nodes/

Presentation:

John - Conformal Systems/ btcd

", - "visibility": "public" - }, - { - "created": 1398269331000, - "id": "178799532", - "name": "Social/Collaborative Gathering 7", - "rsvp_limit": 60, - "date_in_series_pattern": false, - "status": "past", - "time": 1398812400000, - "local_date": "2014-04-29", - "local_time": "19:00", - "updated": 1398887490000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 28, - "venue": { - "id": 18407102, - "name": "NYU-Poly", - "lat": 40.72590255737305, - "lon": -74.00621795654297, - "repinned": false, - "address_1": "137 Varick Street", - "city": "2nd Floor ", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/178799532/", - "description": "

Bring your computers, come chill and get some work done. Some notable projects being discussed: osfda.org server setup, node w/ dropped tx database and many more. Feel free to add your project to this spreadsheet.

", - "visibility": "public" - }, - { - "created": 1398876758000, - "duration": 7200000, - "id": "180270232", - "name": "Socratic Meetup 19", - "date_in_series_pattern": false, - "status": "past", - "time": 1399417200000, - "local_date": "2014-05-06", - "local_time": "19:00", - "updated": 1399500813000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 27, - "venue": { - "id": 18407102, - "name": "NYU-Poly", - "lat": 40.72590255737305, - "lon": -74.00621795654297, - "repinned": false, - "address_1": "137 Varick Street", - "city": "2nd Floor ", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/180270232/", - "description": "

Development Roadmap of Bitcoin Core 0.9.2
https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg04952.html

BIP70 implementation guidance
http://article.gmane.org/gmane.comp.bitcoin.devel/5258/match=

Github Pull Requests/Issues
https://github.com/bitcoin/bitcoin/issues/4082
https://github.com/bitcoin/bitcoin/pull/4127
https://github.com/bitcoin/bitcoin/pull/4122
https://github.com/bitcoin/bitcoin/pull/4121
https://github.com/bitcoin/bitcoin/pull/4104
https://github.com/bitcoin/bitcoin/pull/4102
https://github.com/bitcoin/bitcoin/pull/4100
https://github.com/bitcoin/bitcoin/issues/4124

Eliminating double-spends with two-party self-escrow for high value transactions
http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05166.html

Tree Chains v. Side Chains
https://soundcloud.com/mindtomatter/ltb-e104-tree-chains-with

Full Node Statistics
http://coinchomp.com/2014/04/27/peeking-hood-running-bitcoin-node/

Weekly Hash Rate Stats
http://organofcorti.blogspot.com/2014/04/april-27th-2014-weekly-hashrate.html
 
Coinbase reallocation to discourage Finney attacks (no words for this one)
https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg04972.html
http://bitcoinism.blogspot.com/2014/04/dirty-deals-in-smoke-filled-rooms.html
http://www.reddit.com/r/Bitcoin/comments/23rbi0/bitcoindevelopment_coinbase_reallocation_to/ch01e27

Replace-by-fee scorched-earth without child-pays-for-parent
http://sourceforge.net/p/bitcoin/mailman/message/32276657/

New BIP32 structure for P2SH multisig wallets
https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05156.html

bitcoinjs-lib K value generation issues
Bojan will speak to this, if not I will.

SX Command Line Utilities (new HD Key Commands):
https://wiki.unsystem.net/index.php/Sx/HD_keys

BIP Draft: Atomic Cross Chain Transfer Protocol
https://github.com/TierNolan/bips/blob/bip4x/bip-atom.mediawiki

SPV-grade block provider
https://bitcointalk.org/index.php?topic=596010.0

mbits vs. bits vs. bitcoin vs. ___? Pick your poison.
Too many disparate discussions to list.

Launch a full Bitcoin node on Digital Ocean's network in 1 click
http://www.reddit.com/r/Bitcoin/comments/24rkzq/launch_a_full_bitcoin_node_on_digital_oceans/ 

Stealth addresses in bitcoinj

https://medium.com/p/cb2f81962c1b

Bitcoinj Watch only branch https://github.com/devrandom/bitcoinj/tree/watcher_service1

Tools/Misc:

NBitcoin (C#) [probably not battle tested]
https://github.com/NicolasDorier/NBitcoin

MonoBitcoind (Mono/C# Wrapper) [probably not battle tested]
https://github.com/nrjudson/MonoBitcoind

Integrating Bitcoin Daemon with PHP
https://bitcointalk.org/index.php?topic=412425.0

AppeCoin (draft)
https://bitslog.files.wordpress.com/2014/04/appecoin28.pdf

Private Aytomatic Miner Backbone Protocol (PAMBA) - didn't talk about this last time
https://bitslog.wordpress.com/2014/04/19/the-private-automatic-miner-backbone-protocol-pamba/

DECOR Protocol
http://bitslog.wordpress.com/2014/05/02/decor/

SmartSPV
https://bitslog.wordpress.com/2014/04/25/smartspv-a-better-simplified-payment-verification-for-smartphones/

Cantor Pairing Function to combine different addresses
https://bitcointalk.org/index.php?topic=589863.0

Deep Technical Dive into Bitcore with Eric Martindale
https://www.youtube.com/watch?v=mmhvaTVaAk8

TruthCoin
https://github.com/psztorc/Truthcoin

Presentations:

Adam - http://counterparty.co/

Rodrigo - BitEx (follow up presentation)

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Bring your computers and something to work on.

", - "visibility": "public" - }, - { - "created": 1400042642000, - "duration": 7200000, - "id": "182990242", - "name": "Socratic Meetup 20", - "rsvp_limit": 60, - "date_in_series_pattern": false, - "status": "past", - "time": 1400626800000, - "local_date": "2014-05-20", - "local_time": "19:00", - "updated": 1400678737000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 23, - "venue": { - "id": 18407102, - "name": "NYU-Poly", - "lat": 40.72590255737305, - "lon": -74.00621795654297, - "repinned": false, - "address_1": "137 Varick Street", - "city": "2nd Floor ", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/182990242/", - "description": "

Topics:

Core Dev:

0.9.2rc Delayed 7 days
http://permalink.gmane.org/gmane.comp.bitcoin.devel/5375
http://nightly.bitcoin.it/

Please help review this developer documentation, soon to be rolled into the main wiki
http://bitcoindev.us.to/en/developer-documentation

Pull Request/Issues
https://github.com/bitcoin/bitcoin/pull/4177
https://github.com/bitcoin/bitcoin/pull/4167
https://github.com/bitcoin/bitcoin/pull/4185
https://github.com/bitcoin/bitcoin/pull/4150
https://github.com/bitcoin/bitcoin/pull/4183
https://github.com/bitcoin/bitcoin/pull/4148
https://github.com/bitcoin/bips/pull/61
https://github.com/bitcoin/bitcoin/issues/4069

DNS Seeds Unstable
http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/CALDj%2BBamyawuTgDhzM0AyB5LWNPb_xY_BQeDHqs9t9WLPibiCQ%40mail.gmail.com/#msg[masked]

Node Count Still Falling
https://getaddr.bitnodes.io/dashboard/chart/?days=60

Node Stats
http://coinchomp.com/2014/05/07/announcing-statoshi-realtime-bitcoin-node-statistics/
<a>http://statoshi.info/#/dashboard/file/default.json</a>;

Weekly Pool Stats
http://organofcorti.blogspot.se/2014/05/may-18th-2014-weekly-hashrate.html

btcd: btcrpcclient
https://blog.conformal.com/btcrpcclient-bitcoin-rpc-made-easy/

Misc/Tools:

Zerocash Extended
http://zerocash-project.org/media/pdf/zerocash-extended-20140518.pdf

Bytecoin
https://bytecoin.org/

Bytecoin v. Zerocash
https://news.ycombinator.com/item?id=7765455

Sigsafe: Electronic key tag for signing bitcoin transactions
http://sigsafe.org/sigsafe.pdf

Bitcoin-akka (Scala)
https://github.com/goldmar/bitcoin-akka/

Armory Bug Bounty
https://bitcointalk.org/index.php?topic=607046.0 


Presentations:

• Bojan Simic- Aegis Wallet

• Sergey Nazarov - CryptaMail

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This is our last meeting at NYU Poly. Many thanks to CoinX and NYU for the good times we've had there. Big announcements next week about our new sponsors and locations!

As always, bring your computers and something crypto-related to work on. Find collaborators, cofounders, brainstorm about cool ideas, etc... etc...

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Core Dev:
0.9.2 Released
https://github.com/bitcoin/bitcoin/blob/5fa6143d5ad97d5d00b245d5367d065afc4909fe/doc/release-notes.md

Github Pull Requests/Issues
https://github.com/bitcoin/bitcoin/pull/4230
https://github.com/bitcoin/bitcoin/pull/4232
https://github.com/bitcoin/bitcoin/pull/4240
https://github.com/bitcoin/bitcoin/pull/4234
https://github.com/bitcoin/bitcoin/pull/4241
https://github.com/bitcoin/bitcoin/pull/4250
https://github.com/bitcoin/bitcoin/issues/4253

Payment Protocol Privacy Debate
https://bitcointalk.org/index.php?topic=635317.0

Deanonymization of clients in Bitcoin P2P network
http://arxiv.org/pdf/1405.7418.pdf

Bandwidth Costs of a Full Node

BTCnDash: Bitcoin Node Dashboard
http://108.172.25.193:8334/
https://bitbucket.org/mattdoiron/btcndash

Mining Stats
http://organofcorti.blogspot.com.au/search/label/weeklypoolstatistics

Estimating the Number of Miners
http://organofcorti.blogspot.com/2014/05/165-estimating-number-of-bitcoin-miners.html

p2pool mining stats
https://bitcointalk.org/index.php?topic=18313.msg7096973#msg[masked]

Sober look at Bitcoin's usage patterns (Mike Hearn)
http://www.youtube.com/watch?v=2MtUKr05Y3I&feature=share&list=PLegVUtf1OMdTPOsejIkiA23i06tsJBp54&index=8
 
Armory Multi-Sig Video Demonstration
http://vimeo.com/96983886

Btcd Beta Announcement
https://blog.conformal.com/btcd-beta-announcement/

Bitcoinj API Changes: HD Wallets and Coin Class
https://groups.google.com/forum/#!msg/bitcoinj/owbwnHANXmA/iFtT-7HDdB8J

Bitcoinj Micropayment Channel Walkthrough
http://www.youtube.com/watch?v=_7SujI6_m3s&feature=youtu.be

APIcoin
APIcoin.io

Multibit to Charge Transaction Fee
http://www.coindesk.com/cash-strapped-multibit-developers-charge-transaction-fee/

Misc:
Trucrypt: Game Over
http://truecrypt.sourceforge.net/

Darksend CoinJoin is Broken
http://www.scribd.com/doc/227369807/Bitcoin-Coinjoin-Not-Anonymous-v01

Apple ToS Change?

ZeroCash Initialization Sketchy
http://www.reddit.com/r/Bitcoin/comments/2751e8/psa_dont_fall_for_darkcoins_deceiving_marketing/chxmvhe

 

Presentations:

Pierre Rochard - Nakamoto Institute

Joe Fiscella - Florincoin Update

", - "how_to_find_us": "It's a nodescript entrance that goes straight into a staircase about halfway between Broadway and Mercer. Go up the stairs and you will see a big red door that says The Farm.", - "visibility": "public" - }, - { - "created": 1401906968000, - "duration": 7200000, - "id": "187146192", - "name": "Social/Collaborative Gathering 10 (Food sponsored by HYPR)", - "rsvp_limit": 40, - "date_in_series_pattern": false, - "status": "past", - "time": 1402441200000, - "local_date": "2014-06-10", - "local_time": "19:00", - "updated": 1402455332000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 30, - "venue": { - "id": 20433732, - "name": "The Farm", - "lat": 40.723209381103516, - "lon": -73.99909973144531, - "repinned": false, - "address_1": "95 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/187146192/", - "description": "

Bring your computers and something cryptocurrency related to work on. Find collaborators, cofounders, employees etc... etc...

Food and drink is sponsored by HYPR:

HYPR - A bitcoin hardware wallet. Seeking Lead Software Engineer. Will be on site to interview people interested in participating. Offering Salary and/or equity.

", - "how_to_find_us": "It is a nodescript entrance that goes straight into a staircase about halfway between Broadway and Mercer on Spring (#95). Go up the staircase and you will see a big red door that says The Farm. Knock if locked.", - "visibility": "public" - }, - { - "created": 1402003133000, - "duration": 7200000, - "id": "187403352", - "name": "Socratic Meetup 22", - "rsvp_limit": 70, - "date_in_series_pattern": false, - "status": "past", - "time": 1403046000000, - "local_date": "2014-06-17", - "local_time": "19:00", - "updated": 1403531894000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 66, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/187403352/", - "description": "

Thanks to the lovely team at USV for hosting us.

Should be a very sobering meetup this week, Bitcoin is hurting right now and there is no clear solution to our problems. You can expect a good portion of the meetup to be set aside for pool discussion.

On the bright side of things, we've got a jam packed meetup this week, please come on time as we will be starting _promptly_ at 7! 

Core Dev:

(Official) 0.9.2 Release (rc2 was released two weeks ago, I was mistaken last time)

https://github.com/bitcoin/bitcoin/blob/5fa6143d5ad97d5d00b245d5367d065afc4909fe/doc/release-notes.md

Github Issues/Pull Requests (bitcoind)

https://github.com/bitcoin/bitcoin/pull/4351

https://github.com/bitcoin/bitcoin/pull/4347

https://github.com/bitcoin/bitcoin/pull/4332

https://github.com/bitcoin/bitcoin/issues/4344

https://github.com/bitcoin/bitcoin/pull/4331

https://github.com/bitcoin/bitcoin/pull/4351

https://github.com/bitcoin/bitcoin/pull/4311

https://github.com/bitcoin/bitcoin/pull/4298

0.11.3 Released (bitcoinj)

https://groups.google.com/forum/#!msg/bitcoinj/cvc5X_VtX6E/94eDH-4a8fQJ

receivePending accepts double spends (bitcoinj)

https://groups.google.com/forum/#!msg/bitcoinj/BbJybCFa0zQ/I5aCmTIA8y0J

Payment Request Instant Confirmation BIP

https://github.com/greenaddress/bips/blob/bip-payment-request-instant-confirmations/bip-payment-request-instant-confirmations.mediawiki

Bitcoin miner heads-up: \"getwork\" RPC going away

http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05578.html

Timelock: time-release encryption incentivised by Bitcoins

http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05547.html

Blockhain.info's CoinJoin Implementation is Compromised

http://www.coinjoinsudoku.com/advisory/

http://www.reddit.com/r/Bitcoin/comments/27rsv8/confirmed_blockchaininfo_shared_coin_is_broken/

https://blog.blockchain.com/2014/06/10/sharedcoin-and-other-coinjoin-implementations-uses-and-limitations/

Interview with Peter Todd

http://www.ofnumbers.com/2014/06/08/interview-with-core-developer-peter-todd/

Mining Stats

http://organofcorti.blogspot.se/2014/06/june-15th-2014-weekly-network-and-block.html

Mining Concerns

http://hackingdistributed.com/2014/06/13/time-for-a-hard-bitcoin-fork/

http://hackingdistributed.com/2014/06/16/how-a-mining-monopoly-can-attack-bitcoin/

https://news.ycombinator.com/item?id=7890215

http://www.reddit.com/r/Bitcoin/comments/281ftd/why_i_just_sold_50_of_my_bitcoins_ghashio/

https://bitcointalk.org/index.php?topic=327767.0

http://garzikrants.blogspot.com/2014/06/bitcoin-and-51-mining-power.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+RandomBlatheringsByJeff+%28Random+blatherings+by+Jeff%29

https://bitcoinfoundation.org/2014/06/13/centralized-mining/

Non-Outsourceable Puzzle to Prevent Hosted Mining/Mining Pools

https://bitcointalk.org/index.php?topic=309073.0

Block Withholding Attacks

http://www.reddit.com/r/Bitcoin/comments/280s3m/eligius_pool_operator_catches_block_withholding/

https://bitcointalk.org/?topic=441465.msg7282674#msg[masked]

Marginal Economy vs. Growth Economy (the article, not the podcast)

http://letstalkbitcoin.com/blog/post/a-marginal-economy-versus-a-growth-economy

Bit-thereum

http://gavintech.blogspot.com/2014/06/bit-thereum.html

https://github.com/orisi/wiki/wiki/Orisi-White-Paper

https://bitcointalk.org/index.php?topic=645852.0

TorCoin

https://docs.google.com/file/d/0B7r4osQgWVqKTHdxTlowUVpsVmJRcjF3Y3dtcTVscFhEaW5F/view?sle=true

Presentations:

James Potter - Tradewave

Sergey Nazarov - Secure Asset Exchange

Adam Krellenstein - Counterparty Update

Artur + Ray - Open source wallet and Blockchain API

peace

jd

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Bring your computers and something cryptocurrency related to work on. Find collaborators, cofounders, employees etc... etc...

From our sponsors: Coinsetter is a firm at the forefront of Bitcoin trading technology development. We have built a high performance Bitcoin ECN and exchange to support active traders, Wall Street institutions, and more. Our New York City-based platform offers millisecond latency trading with deep liquidity sourced from other global exchanges.

", - "how_to_find_us": "It's a nondescript entrance between Mercer and Broadway. It leads directly into a staircase with lots of grafitti. Go to the second floor and turn around. You will see a big red door that says The Farm. Knock loudly and/or call the number on the door", - "visibility": "public" - }, - { - "created": 1403670707000, - "duration": 7200000, - "id": "191122492", - "name": "Socratic Meetup 23", - "date_in_series_pattern": false, - "status": "past", - "time": 1404342000000, - "local_date": "2014-07-02", - "local_time": "19:00", - "updated": 1404427192000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 39, - "venue": { - "id": 20433732, - "name": "The Farm", - "lat": 40.723209381103516, - "lon": -73.99909973144531, - "repinned": false, - "address_1": "95 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/191122492/", - "description": "

Core Dev

Github Issues/Pull Requests

https://github.com/bitcoin/bitcoin/pull/4450

https://github.com/bitcoin/bitcoin/issues/4387

https://github.com/bitcoin/bitcoin/issues/4382

https://github.com/bitcoin/bitcoin/pull/4378

https://github.com/bitcoin/bitcoin/pull/4373

https://github.com/bitcoin/bitcoin/pull/2340

Nonoutsourceable Scratch-Off Puzzles to Discourage Bitcoin Mining Coalitions (formalized)

http://cs.umd.edu/~amiller/nonoutsourceable_full.pdf

http://www.reddit.com/r/Bitcoin/comments/28aldt/ghashio_is_open_for_discussion/ci9k6mo?context=3

Theoretical and Practical Nonoutsourceable Puzzles

http://bitslog.wordpress.com/2014/06/19/theoretical-and-practical-nonoutsourceable-puzzles/

Preventing Mining Pool Concentration with Lamport Signatures

https://medium.com/@lmgoodman/preventing-mining-pool-concentration-with-lamport-signatures-e7601c474343

Making pooled mining immune to 51% attacks, selfish mining, etc. by bundling an SPV client into mining software.

http://www.reddit.com/r/Bitcoin/comments/2873ox/making_pooled_mining_immune_to_51_attacks_selfish/

One dev's opinion: Enabling mining pool policy experimentation

http://www.reddit.com/r/Bitcoin/comments/297ows/one_devs_opinion_enabling_mining_pool_policy/

https://twitter.com/petertoddbtc/status/482478642698534912

http://www.reddit.com/r/Bitcoin/comments/298gmv/bitcoin_miner_txselection_prioritisation_as_a/

The 50% Club

http://organofcorti.blogspot.se/2014/06/166-fifty-percent-club.html

Mining Stats

http://organofcorti.blogspot.se/2014/06/june-29th-2014-weekly-network-and-block.html

BitFury, p2pool

http://www.reddit.com/r/Bitcoin/comments/29c590/bitfury_changes_for_p2pool/

PETAMINE, p2pool

http://www.reddit.com/r/Bitcoin/comments/29btmp/peta_will_switch_to_p2pool_after_96_voted_yes/

Fee Graph

https://bitcoincore.org/smartfee/fee_graph.html

Block Download Frequency vs. Depth

Why Bitcoin Won't Use DHT

https://bitcointalk.org/index.php?topic=662734.msg7521013#msg[masked]

Analyzing the Deployment of Bitcoin's P2P Network under an AS-level Perspective

http://www.sciencedirect.com/science/article/pii/S187705091400742X

Bitcoin Protocol Specification Paper (Revised)

http://enetium.com/resources/Bitcoin.pdf

Misc:

BitAuth

http://blog.bitpay.com/2014/07/01/bitauth-for-decentralized-authentication.html

Extending Zerocash to hide tx amounts and balances

http://alumni.syssec.ch/~karameg/ezc.pdf

Counterparty - OP_RETURN

https://bitcointalk.org/index.php?topic=395761.msg7478502#msg[masked]

ncurses front-end for bitcoind

https://github.com/azeteki/bitcoind-ncurses

https://bitcointalk.org/index.php?topic=668475.0

Haskoin

https://github.com/haskoin/haskoin

bitcoinJS 1.0.0 Release

http://pastebin.com/ZDGdnB3z

http://www.reddit.com/r/Bitcoin/comments/29mg1l/bitcoinjs_100_has_been_released/

Proof of Activity

http://eprint.iacr.org/2014/452.pdf

Proof of Stake

http://www.cs.technion.ac.il/~idddo/CoA.pdf

Presentations

Matt Elias & Sean Andrews (BitDevs DC organizer!) - Precedent.io

Martin Koppelmann (co-founder of Fairlay) - Decentralized Prediction Markets

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We're going to list the post meetup get together separately from now on so anyone who is unable to attend the meetup from 7-9pm will not be discouraged from attending. Credit to Steve for the idea.

", - "visibility": "public" - }, - { - "created": 1404416389000, - "duration": 7200000, - "id": "192864142", - "name": "Code Collaborative 12", - "rsvp_limit": 40, - "date_in_series_pattern": false, - "status": "past", - "time": 1404860400000, - "local_date": "2014-07-08", - "local_time": "19:00", - "updated": 1404868757000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 19, - "venue": { - "id": 20433732, - "name": "The Farm", - "lat": 40.723209381103516, - "lon": -73.99909973144531, - "repinned": false, - "address_1": "95 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/192864142/", - "description": "

Bring your computers and something cryptocurrency related to work on. Find collaborators, cofounders, employees etc... etc...

", - "how_to_find_us": "It's an unmarked entrance between Mercer and Broadway that leads directly into a staircase that has lots of graffiti. Go to second floor, hook left and you will see a big red door that says the farm. Knock loudly and/or call # on door.", - "visibility": "public" - }, - { - "created": 1404416823000, - "duration": 7200000, - "id": "192865492", - "name": "Post CC12 Social", - "date_in_series_pattern": false, - "status": "past", - "time": 1404869400000, - "local_date": "2014-07-08", - "local_time": "21:30", - "updated": 1404877533000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 10, - "venue": { - "id": 838472, - "name": "SOHO Park", - "lat": 40.7236213684082, - "lon": -73.9968032836914, - "repinned": false, - "address_1": "62 Prince St. (At Lafayette)", - "address_2": "Subway: Prince St N,R", - "city": "New York City", - "country": "us", - "localized_country_name": "USA", - "phone": "(212) 219-2129 ", - "zip": "10012", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/192865492/", - "description": "

Come join us for food and drink at Soho Park after our code collaborative.

", - "visibility": "public" - }, - { - "created": 1404835809000, - "duration": 7200000, - "id": "193711582", - "name": "Socratic Meetup 24 (No Entry after 8PM)", - "rsvp_limit": 60, - "date_in_series_pattern": false, - "status": "past", - "time": 1405465200000, - "local_date": "2014-07-15", - "local_time": "19:00", - "updated": 1405525508000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 51, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/193711582/", - "description": "

Core Dev:

Floating Fees for .10

https://bitcoinfoundation.org/2014/07/07/floating-fees/

Bitcoin Floating TX-Fee Estimation

http://nbviewer.ipython.org/github/haraldschilly/bitcoin-floating-fee-statistics/blob/master/estimatefee.ipynb

https://github.com/haraldschilly/bitcoin-floating-fee-statistics/

Github Pull Requests/Issues/Recently Merged Commits

https://github.com/bitcoin/bitcoin/pull/4045

https://github.com/bitcoin/bitcoin/issues/4517

https://github.com/bitcoin/bitcoin/pull/4484

https://github.com/bitcoin/bitcoin/pull/4497

https://github.com/bitcoin/bitcoin/pull/4483

https://github.com/bitcoin/bitcoin/pull/4481

https://github.com/bitcoin/bitcoin/pull/4468

https://github.com/bitcoin/bitcoin/pull/4378

https://github.com/bitcoin/bitcoin/pull/4503

Draft BIP for getutxos Message

https://github.com/bitcoin/bitcoin/pull/4351

Voting on the Blocksize Limit with POS Voting

https://www.mail-archive.com/bitcoin-development%40lists.sourceforge.net/msg02323.html

Weekly Pool Statistics

http://organofcorti.blogspot.se/2014/07/july-12th-2014-weekly-network-and-block.html

>1 Yottahash

http://www.reddit.com/r/Bitcoin/comments/2arfxs/we_surpassed_1_yottahash/

Misc:

Bitcoinj Could Use Some Help

https://groups.google.com/forum/#!msg/bitcoinj/JJtnG59FKlA/bZZq678hDyYJ

Armory .92 Beta

https://bitcoinarmory.com/download/changelog-versions/

BitAuth

http://blog.bitpay.com/2014/07/01/bitauth-for-decentralized-authentication.html

Copay

http://blog.bitpay.com/2014/07/09/copay-beta-an-open-source-multisig-wallet.html

Kryptoradio

http://kryptoradio.koodilehto.fi/

bitcoin-tone

http://www.reddit.com/r/Bitcoin/comments/2ao3mv/bitcointone_a_proofofconcept_of_pushing_bitcoin/

Proof of Stake and Distributed Consensus

https://blog.ethereum.org/2014/07/05/stake/

Presentations:

Javier Dutan -Novaux.com

Ray - Keychests.com

", - "visibility": "public" - }, - { - "created": 1405549596000, - "duration": 7200000, - "id": "195344332", - "name": "Code Collaborative 13 (Food Sponsored by EasyBitz)", - "rsvp_limit": 35, - "date_in_series_pattern": false, - "status": "past", - "time": 1406070000000, - "local_date": "2014-07-22", - "local_time": "19:00", - "updated": 1406077947000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 18, - "venue": { - "id": 20433732, - "name": "The Farm", - "lat": 40.723209381103516, - "lon": -73.99909973144531, - "repinned": false, - "address_1": "95 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/195344332/", - "description": "

We have an important topic to discuss about the format of our future code collaborative meetups, please come if you are interested in giving us some feedback on the new idea.

As always, please bring your computers and something cryptocurrency related to work on. Find collaborators, co-founders, employees etc...


Message from our sponsors, EasyBitz:

What can we do to help bitcoin grow? How about chow down!

Every week EasyBitz will be featuring a new merchant who accepts Bitcoin. We're focusing on food and we've got the best in the city. Your taste buds will finally love Bitcoin too.

We are very proud to be sponsoring this weeks BitDevs NYC Code Collaborative. The leaders here are lighting up the space and creating termendous value.

", - "how_to_find_us": "Nondescript entrace on Spring between Mercer and Broadway. Leads directly into a narrow staircase with graffiti, go to second floor and hook left. Knock or call number on red door.", - "visibility": "public" - }, - { - "created": 1405550059000, - "duration": 5400000, - "id": "195346192", - "name": "Post CC13 Social", - "date_in_series_pattern": false, - "status": "past", - "time": 1406079000000, - "local_date": "2014-07-22", - "local_time": "21:30", - "updated": 1406084988000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 9, - "venue": { - "id": 838472, - "name": "SOHO Park", - "lat": 40.7236213684082, - "lon": -73.9968032836914, - "repinned": false, - "address_1": "62 Prince St. (At Lafayette)", - "address_2": "Subway: Prince St N,R", - "city": "New York City", - "country": "us", - "localized_country_name": "USA", - "phone": "(212) 219-2129 ", - "zip": "10012", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/195346192/", - "description": "

Come join us at Soho Park for food and drink after our Code Collaborative.

", - "visibility": "public" - }, - { - "created": 1406130386000, - "duration": 7200000, - "id": "196608112", - "name": "Socratic Meetup 25", - "rsvp_limit": 33, - "date_in_series_pattern": false, - "status": "past", - "time": 1406674800000, - "local_date": "2014-07-29", - "local_time": "19:00", - "updated": 1406682903000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 26, - "venue": { - "id": 13825042, - "name": "xCubicle", - "lat": 40.71549606323242, - "lon": -73.99002838134766, - "repinned": false, - "address_1": "25 Essex St", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10002", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/196608112/", - "description": "

Open and Recently Merged Pull Requests/Issues

https://github.com/bitcoin/bitcoin/issues/4550

https://github.com/bitcoin/bitcoin/pull/4570

https://github.com/bitcoin/bitcoin/pull/4598

https://github.com/bitcoin/bitcoin/pull/4577

https://github.com/bitcoin/bitcoin/pull/4547

https://github.com/bitcoin/bitcoin/pull/4582

https://github.com/bitcoin/bitcoin/pull/4542

https://github.com/bitcoin/bitcoin/pull/4536

Policy for DNS Seeds

http://sourceforge.net/p/bitcoin/mailman/message/32631260/

\"On behalf of\" BIP 70

http://sourceforge.net/p/bitcoin/mailman/message/32652738/

Small update to BIP 62

https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05888.html

https://github.com/sipa/bips/blob/bip62up/bip-0062.mediawiki

https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05911.html

Squashing Redundant tx Data in the Blocks on the Wire

https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg05877.html

https://en.bitcoin.it/wiki/User:Gmaxwell/block_network_coding

Coins from first three weeks of blockchain (block #2400, Jan 2009) moving

http://np.reddit.com/r/Bitcoin/comments/2bu43g/who_mined_the_bitcoin_blocks_in_the_first_three/

Another Spy Node?

http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/53D5BB5F.2060200%40bitwatch.co/#msg[masked]

http://www.reddit.com/r/Bitcoin/comments/2bwds2/what_does_the_worlds_fastest_tor_node_have_to_do/cj9tz20

Copay Security Vulnerability

http://blog.bitpay.com/2014/07/28/copay-security-vulnerability-discovered.html

Presentations

Pat Che - Multigateway.com Demo

Elizabeth Stark - BitLicense Issues

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Bring your computers and cryptocurrency related projects to work on. Find collaborators, cofounders, employees etc...

", - "how_to_find_us": "Red awning on the corner. Knock if locked.", - "visibility": "public" - }, - { - "created": 1407440239000, - "duration": 8100000, - "id": "199623202", - "name": "Socratic Meetup 26 (Food Sponsored by itBit)", - "rsvp_limit": 70, - "date_in_series_pattern": false, - "status": "past", - "time": 1407884400000, - "local_date": "2014-08-12", - "local_time": "19:00", - "updated": 1407951067000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 61, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/199623202/", - "description": "

Core Dev:

Github Issues/Pull requests

https://github.com/bitcoin/bitcoin/pull/4673

https://github.com/bitcoin/bitcoin/pull/4671

https://github.com/bitcoin/bitcoin/pull/4667

https://github.com/bitcoin/bitcoin/pull/4648

https://github.com/bitcoin/bitcoin/pull/4638

https://github.com/bitcoin/bitcoin/pull/4632

https://github.com/bitcoin/bitcoin/pull/4624

https://github.com/bitcoin/bitcoin/pull/4594

0(1) Block Propagation

https://gist.github.com/gavinandresen/e20c3b5a1d4b97f79ac2

http://www.reddit.com/r/Bitcoin/comments/2d7ofh/technical_discussion_of_gavins_o1_block/

http://www.reddit.com/r/Bitcoin/comments/2d2arn/gavin_on_bandwidth_bitcoins_scalability/

BGP Pool hack

http://www.wired.com/2014/08/isp-bitcoin-theft/

Deterministic Transaction Expiration

http://sourceforge.net/p/bitcoin/mailman/message/32671177/

SIGHASH_ANYONECANPAY extra inputs DoS attack

http://sourceforge.net/p/bitcoin/mailman/message/32690312/

Payment ID #'s for Stealth Addresses

http://sourceforge.net/p/bitcoin/mailman/message/32690163/

NODE_EXT_SERVICE: Advertise other services also available at this node.

http://sourceforge.net/p/bitcoin/mailman/message/32694433/

https://github.com/bitcoin/bitcoin/pull/4657

[ANN] High-speed Bitcoin Relay Network

http://sourceforge.net/p/bitcoin/mailman/message/31604935/

\"Coinbase Commitments\" (watch the whole developer panel, it's informative)

https://www.youtube.com/watch?feature=player_detailpage&v=biLcK0wgBJM#t=323

Tools/Info/Misc:

CoinShuffle

http://crypsys.mmci.uni-saarland.de/projects/CoinShuffle/coinshuffle.pdf

https://bitcointalk.org/index.php?topic=567625.msg7701573#msg[masked]

http://sourceforge.net/p/bitcoin/mailman/message/32690040/

Armory Privacy Leak

https://bitcointalk.org/index.php?topic=731315.0

bitcoind-ncurses updated

http://www.reddit.com/r/Bitcoin/comments/2cd096/bitcoindncurses_v0019_monitor_your_node_and_more

Graphical Transaction/Bock Explorer

http://blocks.wizb.it/

Tim Swanson - The Anatomy of a Money-like Informational Commodity

http://www.ofnumbers.com/the-anatomy/

Bitcoin Contracts

https://curiosity-driven.org/bitcoin-contracts?utm_source=hn

Low level Bitcoin

https://curiosity-driven.org/low-level-bitcoin

Graphical Address Generator

http://www.royalforkblog.com/2014/08/11/graphical-address-generator/

Barriers Faced by Newcomers to Open Source Projects

http://www.academia.edu/6537077/Barriers_faced_by_newcomers_to_open_source_projects_a_systematic_review

Presentations:

Kevin McCoy - Monegraph

Phil Rapoport - Ripple

Message from our sponsors: itBit is proud to be sponsoring the BitDevs meetup. itBit is a global Bitcoin Exchange backed by notable venture capital Canaan Partners, RRE Ventures, Liberty City Ventures. We recently announced that we've moved our headquarters to NYC, where half the company has always been located. We are hiring! Check out our openings here - http://blog.itbit.com/careers

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Even if you can't make the Socratic meetup, come join us for food, drink and pleasant discussion afterwards at Live Bait.

", - "visibility": "public" - }, - { - "created": 1407917741000, - "duration": 7200000, - "id": "200670162", - "name": "Code Collaborative 15 (Food Sponsored by itBit)", - "rsvp_limit": 40, - "date_in_series_pattern": false, - "status": "past", - "time": 1408489200000, - "local_date": "2014-08-19", - "local_time": "19:00", - "updated": 1408496828000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 36, - "venue": { - "id": 21883772, - "name": "Cardozo School of Law", - "lat": 40.734737396240234, - "lon": -73.99410247802734, - "repinned": false, - "address_1": "55 5th Ave Room 407", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/200670162/", - "description": "

Please RSVP! They will be checking names at the door.

Agenda: This is our final code collaborative (we will now be partnering with BitcoinNYC)! Bring your computers and something cryptocurrency related to work on. Socialize, find collaborators, get feedback, etc...


From our Sponsors: itBit is proud to be sponsoring the BitDevs meetup. itBit is a global Bitcoin Exchange backed by notable venture capital Canaan Partners, RRE Ventures, Liberty City Ventures. We recently announced that we've moved our headquarters to NYC, where half the company has always been located. We are hiring! Check out our openings here - http://blog.itbit.com/careers

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Topics: 

Core Dev:

0.9.3rc1 Released
https://github.com/bitcoin/bitcoin/blob/v0.9.3rc1/doc/release-notes.md (draft)

Github Issues/Pull requests
https://gist.github.com/gavinandresen/e20c3b5a1d4b97f79ac2#comment[masked]
https://github.com/bitcoin/bitcoin/pull/4764
https://github.com/bitcoin/bitcoin/pull/4701
https://github.com/bitcoin/bitcoin/pull/4687

Blockchain Data Torrent Updated
http://www.reddit.com/r/Bitcoin/comments/2eekr8/ann_bitcoin_blockchain_data_torrent_updated_to/

Outbound Connection Rotation
http://comments.gmane.org/gmane.comp.bitcoin.devel/6106

High Speed Relay Network
https://bitcoinfoundation.org/2014/08/a-bitcoin-backbone/

Byzantine Cycle Mode
https://bitcointalk.org/index.php?topic=752260.0

Historical Hashrate Distribution
http://organofcorti.blogspot.se/2014/08/169-another-short-post-on-mapping.html

Satoshi's Hashrate
http://organofcorti.blogspot.se/2014/08/167-satoshis-hashrate.html
http://organofcorti.blogspot.se/2014/08/168-little-more-on-satoshis-blocks_15.html

Weekly Hashrate
http://organofcorti.blogspot.se/2014/08/august-24th-2014-weekly-bitcoin-network.html

Misc:

Monitor P2SH Adoption
http://p2sh.info/

Ripple Consensus Issue
https://ripple.com/forum/viewtopic.php?f=2&t=4118&sid=1be310a28e36972b122b18802a868dfb&start=20

Presentations:

• Vitalik Buterin - Ethereum

• Shawn Wilkinson - Storj

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Come join us for food and drink at Heartland after our Socratic meetup.

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Topics:
Hal Finney - RIP
https://bitcointalk.org/index.php?topic=155054.0
http://lists.extropy.org/pipermail/extropy-chat/2014-August/082585.html
http://www.coindesk.com/bitcoin-pioneer-hal-finney-passes-away/

Satoshin@gmx Compromised (Sourceforge, P2PFoundation, bitcoin-security mailing list)
https://bitcointalk.org/index.php?topic=775174.0

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/4845
https://github.com/bitcoin/bitcoin/pull/4873 + https://imgur.com/WD2HKCQ
https://github.com/bitcoin/bitcoin/pull/4862

How many Bitcoins does it cost to maintain the network?
http://letstalkbitcoin.com/blog/post/how-many-bitcoins-does-it-cost-to-maintain-the-bitcoin-network

Issues with getutxo (BIP0064)
https://blog.conformal.com/bip0064-not-yet/
http://www.reddit.com/r/Bitcoin/comments/2eq8gi/getutxos_a_convenient_way_to_crash_bitcoind/

Weekly Mining Stats:
http://organofcorti.blogspot.se/2014/08/august-31st-2014-weekly-bitcoin-network.html
http://organofcorti.blogspot.se/2014/09/september-7th-2014-weekly-bitcoin.html

Proof of Idle
https://docs.google.com/file/d/0ByJFkp_AfSQuZ1JmbnBGY2lIVG8/edit?pli=1

Burst (Proof of HDD Space)
https://bitcointalk.org/index.php?topic=731923.0
related: http://research.microsoft.com/pubs/217984/permacoin.pdf

Ripple Consensus Whitepaper
https://ripple.com/forum/viewtopic.php?f=1&t=7751&sid=cccc00160bdeb3e9d880c527b4f4cacd
related: https://ripple.com/forum/viewtopic.php?f=2&t=4118&sid=ac34df41bd7275a2946395c1ca774ed4&start=20

UTXOC - Unspent Transaction Output based Certificates
https://bitcointalk.org/index.php?topic=713919.0

1 of N Ring Signatures
https://bitcointalk.org/index.php?topic=768499.0

Minting Money with Monero ... and CPU vector intrinsics
http://da-data.blogspot.com/2014/08/minting-money-with-monero-and-cpu.html

Unrelated to cryptocurrencies: New Enigmail version broken
http://sourceforge.net/p/enigmail/forum/support/thread/3e7268a4/

Presentations:

• Paul Sztorc - Truthcoin 

• Chris Rawlings - CoinSip

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Join us for food and merriment regardless of whether or not you were able to attend the Socratic meetup.

", - "visibility": "public" - }, - { - "created": 1410367950000, - "duration": 9000000, - "id": "206413862", - "name": "Socratic Meetup 29 (Food Sponsored by AlphaPoint)", - "rsvp_limit": 50, - "date_in_series_pattern": false, - "status": "past", - "time": 1411513200000, - "local_date": "2014-09-23", - "local_time": "19:00", - "updated": 1411631481000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 48, - "venue": { - "id": 22305152, - "name": "Secret Event Host", - "lat": 40.74114990234375, - "lon": -73.99323272705078, - "repinned": false, - "address_1": "54 west 21st Street #404", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/206413862/", - "description": "

Our sponsors: AlphaPoint powers the top global digital currency exchanges with its white-label technology platform.

Topics:

Bitcoin Core v0.9.3 Released
https://github.com/bitcoin/bitcoin/releases/tag/v0.9.3

GitHub Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/4937
https://github.com/bitcoin/bitcoin/pull/4906

Applying Clang Format to Bitcoin Core
http://sourceforge.net/p/bitcoin/mailman/message/32851482/

BIP 72 Amendment Proposal
https://github.com/bitcoin/bips/pull/106

Btcd .9 released
https://github.com/conformal/btcd/releases

Toshi
https://github.com/coinbase/toshi
https://toshi.io/
https://bitcoin.toshi.io/
https://news.ycombinator.com/item?id=8326836
https://bitcointalk.org/index.php?topic=260595.0

Bitcore 2
https://www.reddit.com/r/Bitcoin/comments/2gows3/work_in_progress_bitcore_2/

Weekly Mining Stats
http://organofcorti.blogspot.se/2014/09/september-14th-2014-weekly-bitcoin.html

Mempool.info Pool Updates

A Treatsie on Alt Coins
https://download.wpsoftware.net/bitcoin/alts.pdf

Monero: 51% Attack Imminent  
https://bitcointalk.org/index.php?topic=789978.msg8909768#msg[masked]

ByeBye BFL
https://s3.amazonaws.com/s3.documentcloud.org/documents/1303730/2-main.txt

<a>Donate to our Video Camera Fund</a>

Presentations:

• Joe Ventura - Alpha Point

• Joswell V - SyncBeat

• Ray and Artur - EasyBitz Update 

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Come join us for food, drink and merriment regardless of whether or not you are able to attend the Socratic meetup.

", - "visibility": "public" - }, - { - "created": 1412025554000, - "duration": 7200000, - "id": "210328322", - "name": "Socratic Meetup 30 (Food Sponsored by Celery)", - "rsvp_limit": 70, - "date_in_series_pattern": false, - "status": "past", - "time": 1412722800000, - "local_date": "2014-10-07", - "local_time": "19:00", - "updated": 1412732200000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 69, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/210328322/", - "description": "

About our sponsors: Celery makes it safe and easy for anyone to buy, spend, and own Bitcoin. Our goal is to spread Bitcoin use to the masses. We're proud to be sponsoring BitDevs.

Presentations:

• Divya Thakur - Celery

• Ryan Shea - Shamir Sharing

Topics:

• A Scalability Roadmap
https://bitcoinfoundation.org/2014/10/a-scalability-roadmap/

Work on Invertible Bloom Lookup Tables
https://github.com/gavinandresen/IBLT_Cplusplus

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5048
https://github.com/bitcoin/bitcoin/pull/5007
https://github.com/bitcoin/bitcoin/pull/5000

CHECKLOCKTIMEVERIFY
https://github.com/petertodd/bips/blob/checklocktimeverify/bip-checklocktimeverify.mediawiki
http://blog.viacoin.org/2014/10/01/petertodd-dev-update.html
Comments: http://comments.gmane.org/gmane.comp.bitcoin.devel/6266

The Bitcoin Freeze on Transaction Attack (FRONT)
http://bitslog.wordpress.com/2014/10/05/the-bitcoin-freeze-on-transaction-attack-front/
Comments: http://comments.gmane.org/gmane.comp.bitcoin.devel/6296

CoinShuffle Updates
https://www.youtube.com/watch?v=YDGUUtDqNV0
http://shuffle.devbtc.com
http://simulator.devbtc.com
https://github.com/bryanvu/coinshuffle-server
https://github.com/bryanvu/coinshuffle-sim
https://github.com/bryanvu/bitcoinjslib-wallet

Bitcoinj .12 Release
https://bitcoinj.github.io/release-notes#version-012

SPV Privacy
http://eprint.iacr.org/2014/763

Weekly Mining Stats
http://organofcorti.blogspot.se/2014/10/october-6th-2014-weekly-bitcoin-network.html

Building a block-chain database the right way
http://blog.coinspect.co/building-block-chain-database-right-way

Bitcoin Wallet (Android) Updated
https://plus.google.com/101256420499771441772/posts/KujxxG844gH

Armory Version[masked] Released
https://bitcointalk.org/index.php?topic=56424.msg9074990#msg[masked]

Bitcoin Core Fork No Forced Tx Fee Updated
https://bitcointalk.org/index.php?topic=22434.200

Tim Swanson - The Continued Existence of Altcoins, Appcoins and Commodity Coins
https://www.youtube.com/watch?v=fBuwc3yu6sI#t=1357

Spiral Plots of Block Solve Rates
http://organofcorti.blogspot.com/2014/10/1610-spiral-plots-of-block-solve-rates.html

Coinbase Word Clouds
http://organofcorti.blogspot.se/2014/10/172-coinbase-wordcloud.html

Mining Bitcoin with pencil and paper: 0.67 hashes per day
http://www.righto.com/2014/09/mining-bitcoin-with-pencil-and-paper.html

SHA-256, Step by Step
https://docs.google.com/spreadsheets/d/1mOTrqckdetCoRxY5QkVcyQ7Z0gcYIH-Dc0tu7t9f7tw/edit#gid=[masked]

", - "how_to_find_us": "Entrance on Broadway.", - "visibility": "public" - }, - { - "created": 1412026812000, - "duration": 5400000, - "id": "210333982", - "name": "Post Socratic Social", - "date_in_series_pattern": false, - "status": "past", - "time": 1412731800000, - "local_date": "2014-10-07", - "local_time": "21:30", - "updated": 1412737914000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 15, - "venue": { - "id": 10817172, - "name": "Live Bait", - "lat": 40.740882873535156, - "lon": -73.98831939697266, - "repinned": false, - "address_1": "14 E 23rd St", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/210333982/", - "description": "

Come join us for food and merriment even if you were unable to attend the Socratic session.

", - "visibility": "public" - }, - { - "created": 1410982717000, - "id": "207862482", - "name": "BitDevs InfoSec Meetup", - "rsvp_limit": 76, - "date_in_series_pattern": false, - "status": "past", - "time": 1413414000000, - "local_date": "2014-10-15", - "local_time": "19:00", - "updated": 1413853609000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 75, - "venue": { - "id": 22450382, - "name": "Fordham University Lincoln Center Campus - Cafeteria Atrium", - "lat": 40.770103454589844, - "lon": -73.98484802246094, - "repinned": false, - "address_1": "113 W 60th Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/207862482/", - "description": "

Presentations:

• Justin D - Intro to Bitcoin + Weaknesses and Attack Vectors

• Alan Reiner - Armory

• Steven Markey - Cryptography v2.0: Homomorphic Encryption and Stateless Tokenization (abstract)

Contact the organizer if you would like to sponsor the event.

", - "visibility": "public" - }, - { - "created": 1412966957000, - "duration": 9000000, - "id": "212667262", - "name": "Socratic Meetup 31", - "rsvp_limit": 70, - "date_in_series_pattern": false, - "status": "past", - "time": 1413932400000, - "local_date": "2014-10-21", - "local_time": "19:00", - "updated": 1413948089000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 37, - "venue": { - "id": 23111052, - "name": "Columbia University - Mathematics 417", - "lat": 40.808658599853516, - "lon": -73.96321105957031, - "repinned": false, - "address_1": "2990 Broadway", - "city": "10027", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/212667262/", - "description": "

Google Map of the location. Campus Map.

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/4468
https://github.com/bitcoin/bitcoin/commit/341735eb8f42e898cf9d4d130709471e5d01abe2
http://sourceforge.net/p/bitcoin/mailman/message/32921390/
https://github.com/bitcoin/bitcoin/pull/5093
https://github.com/bitcoin/bitcoin/pull/5102
https://github.com/bitcoin/bitcoin/pull/5075
https://github.com/bitcoin/bitcoin/pull/5082
https://github.com/bitcoin/bitcoin/pull/5059

Discussion on Gavin's Scalability Roadmap
https://bitcointalk.org/index.php?topic=813324.0

Malleable Booleans
http://sourceforge.net/p/bitcoin/mailman/message/32928226/

A Perspective on Alt. Implementations
https://www.reddit.com/r/Bitcoin/comments/2jpa4p/why_bitcoins_core_developers_want_multiple/cle4kqk

Very old Bitcoin on the move
https://docs.google.com/spreadsheets/d/18Y8AqKheCuxPvN65s1Pxx4CCEOzk-XcKnDexhumoqVM/htmlview?usp=sharing&pli=1&sle=true

Bitcoin OMG v.9.3 (unofficial, includes watch only)
https://bitcointalk.org/index.php?topic=320695
https://github.com/litecoin-project/bitcoinomg/commits/0.9.3-OMG27

Weekly Mining Statistics
http://organofcorti.blogspot.se/2014/10/october-19th-2014-weekly-bitcoin.html
http://organofcorti.blogspot.se/2014/10/october-16th-2014-weekly-bitcoin.html

Compile Bitcoin Core on Rasberry Pi
http://blog.pryds.eu/2014/06/compile-bitcoin-core-on-raspberry-pi.html
https://www.reddit.com/r/Bitcoin/comments/2j3yub/want_to_support_the_bitcoin_network_with_a/cl8lddu

Find keys generated with weak k values in the blockchain
https://github.com/FiloSottile/blockchainr
http://www.theregister.co.uk/2014/10/15/roll_your_own_bitcoin_client_prepare_to_be_raided

On the \"unseen calculations\" of Bitcoin Mining
http://www.ofnumbers.com/2014/09/19/false-analogies-in-bitcoinland-plus-alibaba/

Presentations:

• Nicholas Thorne & Gergely Krisztián - Blocksign

• Martin Köppelmann - Game Theoretic Perspective on the Block Size Limit and the Security of the Bitcoin Network

", - "how_to_find_us": "See maps in event description below.", - "visibility": "public" - }, - { - "created": 1415220173000, - "id": "217860912", - "name": "Socratic Meetup 32", - "rsvp_limit": 70, - "date_in_series_pattern": false, - "status": "past", - "time": 1416355200000, - "local_date": "2014-11-18", - "local_time": "19:00", - "updated": 1416366870000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 58, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/217860912/", - "description": "

Github Issues/Pull Requests

https://github.com/bitcoin/bitcoin/pull/5303

https://github.com/bitcoin/bitcoin/pull/5270

https://github.com/bitcoin/bitcoin/pull/5267

https://github.com/bitcoin/bitcoin/pull/5253

https://github.com/bitcoin/bitcoin/pull/5209

https://github.com/bitcoin/bitcoin/pull/5200

https://github.com/bitcoin/bitcoin/pull/5161

https://github.com/bitcoin/bitcoin/pull/5157

The Difficulty of Writing Consensus Critical Code: the SIGHASH_SINGLE Bug

http://sourceforge.net/p/bitcoin/mailman/message/33013965/


Discussion on Increasing OP_RETURN

http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/CABbpET9eTgk1GyxYbcG%2B%2BO_rqsnfB7w5_Xp4XgE6qwkmGsm1eg%40mail.gmail.com/#msg[masked]

Weekly Hash Rate Statistics

http://organofcorti.blogspot.de/2014/11/november-2nd-2014-weekly-bitcoin.html

http://organofcorti.blogspot.de/2014/11/november-9th-2014-weekly-bitcoin.html

Update on Mobile 2-Factor Wallets

http://sourceforge.net/p/bitcoin/mailman/message/33017648/

https://eprint.iacr.org/2014/629.pdf

https://github.com/ChristopherMann/2FactorWallet

The Future of Bitcoin Transaction Fees?

http://hashingit.com/analysis/35-the-future-of-bitcoin-transaction-fees

Bitcoin Traffic Bulletin

http://hashingit.com/analysis/34-bitcoin-traffic-bulletin

7 Transactions Per Second? Really?

http://hashingit.com/analysis/33-7-transactions-per-second

Daily and weekly Bitcoin Tansaction Cycles

http://organofcorti.blogspot.de/2014/11/daily-and-weekly-bitcoin-transaction.html

Spectral Density of Bitcoin Transaction Rates

http://organofcorti.blogspot.de/2014/11/spectral-density-of-bitcoin-transaction.html

Proof of Unique Blockchain Storage

http://bitslog.wordpress.com/2014/11/03/proof-of-local-blockchain-storage/

btcsim: Simulating the Rise of Bitcoin

https://blog.conformal.com/btcsim-simulating-the-rise-of-bitcoin/#more-1099

bitcoinj[masked] Released

https://groups.google.com/d/msg/bitcoinj/Jri_aCuWbGU/vH_F88PDm-cJ

Blockstream / Sidechains

http://www.blockstream.com/sidechains.pdf

https://www.reddit.com/r/IAmA/comments/2k3u97/we_are_bitcoin_sidechain_paper_authors_adam_back/

http://www.blockstream.com/2014/10/30/a-look-at-a-few-questions-and-misconceptions-for-pegged-sidechains/

https://www.reddit.com/r/Bitcoin/comments/2mke80/blockstream_closes_21m_seed_round/cm56yr6?context=3

Monetas Brings Colored Coins to btcd

http://monetas.net/monetas-brings-colored-coins-to-btcd/

Counterparty Development Update 2

http://counterparty.io/news/counterparty-development-update-2/

Tracking the Moolah Coins

http://blog.coinalytics.co/moolah-blockchain-investigation

http://blog.coinalytics.co/examining-mintpal-bitcoin-addresses

An Attack on the Timestamp Semantics of Bitcoin

https://www.reddit.com/r/Bitcoin/comments/2l83y5/an_attack_on_the_timestamp_semantics_of_bitcoin/clsehm3?context=3

Presentation:

Ayoub Naciri - Artabit

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Presentations:

Martin Koeppelmann & J - Proof of Stake

Topics: 

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5386
https://github.com/bitcoin/bitcoin/pull/5389
https://github.com/bitcoin/bitcoin/pull/5394
https://github.com/bitcoin/bitcoin/pull/5369
https://github.com/bitcoin/bitcoin/pull/5368
https://github.com/bitcoin/bitcoin/pull/5316
https://github.com/bitcoin/bitcoin/pull/5326

Weekly Mining Stats
http://organofcorti.blogspot.com/2014/12/november-30th-2014-weekly-bitcoin.html

Safely Interrupt -reindex?
http://bitcoin.stackexchange.com/questions/32835/safely-interrupt-reindex

Deanonymisaiton of Clients in Bitcoin P2P Netowrk
http://orbilu.uni.lu/handle/10993/18679
http://sourceforge.net/p/bitcoin/mailman/message/33081736/

Pay-to-Contract-Hash
https://github.com/Blockstream/contracthashtool

How a Rogue Tor node hijacked Blockhcain.info Accounts
http://www.btcfeed.net/news/rogue-tor-node-hijacked-blockchain-info-accounts/

Do not use Blockchain.info API when accepting Zero Confirmations
https://www.reddit.com/r/Bitcoin/comments/2npmyr/security_flaw_do_not_use_blockchaininfo_api_when/

What's the deal with off chain transactions?
http://www.ofnumbers.com/2014/11/24/whats-the-deal-with-off-chain-transactions/

Approximately 70% of all bitcoins have not moved in 6 or more months
http://www.ofnumbers.com/2014/11/22/approximately-70-of-all-bitcoins-have-not-moved-in-6-or-more-months/

Blockstream Concerns
https://www.reddit.com/r/Bitcoin/comments/2mke80/blockstream_closes_21m_seed_round/cm548ez

Counterparty Development Update
http://counterparty.io/news/counterparty-development-update-4/

Monetas (OT): Voting Pools Deposit Side Functionality merged into Conformal's btcwallet
http://monetas.net/voting-pools-deposit-side-functionality-merged-upstream/

", - "how_to_find_us": "North east corner of 115th and Amsterdam. http:\\/\\/www8.gsb.columbia.edu\\/sites\\/default\\/files\\/pictures\\/campus-map.gif", - "visibility": "public" - }, - { - "created": 1416500862000, - "id": "218800586", - "name": "Socratic Meetup 34", - "rsvp_limit": 75, - "date_in_series_pattern": false, - "status": "past", - "time": 1418774400000, - "local_date": "2014-12-16", - "local_time": "19:00", - "updated": 1418834868000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 71, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/218800586/", - "description": "

Presentation: 

• Gideon Greenspan (CoinSpark) - Bitcoin 2.0 and OP_RETURN: - The Blockchain as TCP/IP?
Topics:

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pulls?q=is%3Aopen+is%3Apr+milestone%3A0.10.0
https://github.com/bitcoin/bitcoin/pull/5485
https://github.com/bitcoin/bitcoin/pull/5479
https://github.com/bitcoin/bitcoin/pull/5476
https://github.com/bitcoin/bitcoin/pull/5466
https://github.com/bitcoin/bitcoin/issues/5454
https://github.com/bitcoin/bitcoin/pull/5461
https://github.com/bitcoin/bitcoin/pull/5434
https://github.com/bitcoin/bitcoin/pull/5418
https://github.com/bitcoin/bitcoin/pull/5459
https://github.com/bitcoin/bitcoin/issues/5311

Sergio Lerner Joins the Core Dev Team
https://bitcoinfoundation.org/2014/12/welcome-sergio-lerner/

Recent EvalScript() changes mean CHECKLOCKTIMEVERIFY can't be merged
http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/20141215124730.GA8321%40savin.petertodd.org/#msg[masked]
https://www.reddit.com/r/Bitcoin/comments/2pd0zy/peter_todd_is_saying_shoddy_development_on_v010/cmvnx7a

Setting the Record Straight on Proof of Publication
http://sourceforge.net/p/bitcoin/mailman/message/33141982/

Near-zero fee transactions with hub-and-spoke micropayments
https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg06576.html

Luke-Jr, Gentoo
https://bugs.gentoo.org/show_bug.cgi?id=531634
https://www.reddit.com/r/Bitcoin/comments/2pfgjg/exposed_lukejr_plans_on_forcing_blacklists_on_all/cmwlqlt

Weekly Mining Stats
http://organofcorti.blogspot.com/2014/12/december-7th-2014-weekly-bitcoin_10.html

Measures of Network Hashrate Centralization
http://organofcorti.blogspot.com/2014/12/measures-of-network-hashrate.html
http://organofcorti.blogspot.com/2014/12/historical-centralisation-of-bitcoin.html
http://organofcorti.blogspot.com/2014/12/calculating-mining-centralisation-index.html

The Miner's Dilemma
http://arxiv.org/pdf/1411.7099v2.pdf
http://hackingdistributed.com/2014/12/03/the-miners-dilemma/

Toward Unlinkable Bitcoin Transactions
https://download.wpsoftware.net/bitcoin/wizardry/brs.pdf

Blockchain.info Weak K Values
http://blog.blockchain.com/2014/12/08/blockchain-info-security-disclosure/
https://www.reddit.com/r/Bitcoin/comments/2otekd/white_hat_johoe_returns_255_btc_to_blockchaininfo/
https://www.reddit.com/r/Bitcoin/comments/2p9zv2/300_more_btc_swept_from_insecure_wallets_by_johoe/
https://bitcointalk.org/index.php?action=profile;u=143551;sa=showPosts
http://bitcoinstats.com/irc/bitcoin-dev/logs/2014/12/08
https://github.com/blockchain/My-Wallet/commit/0765daf217aa2bc6ee0802072c172a3572903345
http://tools.ietf.org/html/rfc6979

Bitcoin Authenticator 0.1.1 Released
https://www.bitcoinauthenticator.org/version-0-1-1-release/

Stellar Fork
https://www.stellar.org/blog/safety_liveness_and_fault_tolerance_consensus_choice/

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Pizza and beer will be served at 6:30PM and the meeting will start at 7:00PM sharp. Please make sure you RSVP for the event and answer the security questions otherwise you will not be allowed entry.

We’ve got some great material planned for our 35th Socratic style meetup! During the first half of the event, we will do a deep dive into the Bitcoin Github repository and investigate open pull requests slated for the next major release of Bitcoin Core, .10, followed by discussion of weekly mining statistics. We will also spend time going through the recent Stellar fork, major changes to alternative implementations of the Bitcoin protocol and other exciting developments in the cryptocurrency space.

The second half of the event will be dedicated to Adam Krellenstein, founder of Counterparty (http://counterparty.io), a peer-to-peer financial platform and distributed, open source Internet protocol built on top of the Bitcoin blockchain and network. Adam will update us on recent changes to the protocol and demo the new feature set! 

Bitcoin Core .10rc1
https://github.com/bitcoin/bitcoin/releases/tag/v0.10.0rc1
https://gist.github.com/laanwj/c94f5222aadb3fc8fe1a

Git Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5608
https://github.com/bitcoin/bitcoin/pull/5575
https://github.com/bitcoin/bitcoin/pull/5535
https://github.com/bitcoin/bitcoin/pull/5506
https://github.com/bitcoin/bitcoin/pull/5503
https://github.com/bitcoin/bitcoin/pull/5545

Bitcoin-XT
https://github.com/bitcoinxt/bitcoinxt

Weekly Network Statistics
http://organofcorti.blogspot.com/2014/12/december-14th-2014-bitcoin-mining-pool.html
http://organofcorti.blogspot.com/2014/12/december-20th-2014-mining-pool.html
http://organofcorti.blogspot.com/2014/12/december-20th-2014-network-statistics.html
http://organofcorti.blogspot.com/2014/12/december-20th-2014-block-maker.html

The Future of Bitcoin Transaction Fees?
http://hashingit.com/analysis/35-the-future-of-bitcoin-transaction-fees

The Consensus Red Herring
https://blog.conformal.com/the-bitcoin-consensus-red-herring/

Bitcoin Adoption in 2015
http://daltoncaldwell.com/bitcoin-adoption-in-2015

Bitcore 0.8 Available
http://blog.bitpay.com/2014/12/23/major-improvements-to-the-bitcore-api.html

LTB Interview with Johoe (recovered bc.i btc after poor RNG)
http://letstalkbitcoin.com/blog/post/the-bitcoin-game-7-bitcoin-hero-jochen-aka-johoe

bitcoinjs-lib and bitcore RFC6979 Compliant
https://bitcointalk.org/index.php?topic=911663.0

A Novel Approach for Computer Worm Control Using Decentralized Data Structures
https://pdf.yt/d/E2ZwuLAVfC44kEQk

Stellar Fork
https://www.coindesk.com/stability-questions-dog-ripple-protocol-stellar-fork/
https://xrptalk.org/topic/4617-consensus-algorithm-article-regarding-stellar-fork/
https://stellarverse.org/forum/index.php/topic,10.15.html

", - "how_to_find_us": "Retrieve your badge from the front desk. Take the elevator to 29th floor, walk through the cafateria to the stairs, make a left at the bottom of stairs and walk straight; you will see the room.", - "visibility": "public" - }, - { - "created": 1420854765000, - "duration": 9000000, - "id": "219730014", - "name": "Socratic Meetup 36 (Food Sponsored by Atlas Card)", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1421798400000, - "local_date": "2015-01-20", - "local_time": "19:00", - "updated": 1421824304000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 84, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/219730014/", - "description": "

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5686
https://github.com/bitcoin/bitcoin/pull/5662
https://github.com/bitcoin/bitcoin/pull/5647
https://github.com/bitcoin/bitcoin/pull/5629
https://github.com/bitcoin/bitcoin/pull/5627
https://github.com/bitcoin/bitcoin/pull/5620
https://github.com/bitcoin/bitcoin/pull/5655 / https://github.com/bitcoin/bitcoin/pull/5674

0.9.4
https://github.com/bitcoin/bitcoin/releases/tag/v0.9.4
https://github.com/bitcoin/bitcoin/blob/41f94edf221019a6c4b8f78c2b17c389442f546e/doc/release-notes.md

0.10.0rc2
https://github.com/bitcoin/bitcoin/releases/tag/v0.10.0rc2
https://github.com/Michagogo/bitcoin/commit/af35bdc6b0d628d36bfb486602c8843ed7d2754a

0.10.0rc3
https://bitcoin.org/bin/0.10.0/test/
https://github.com/bitcoin/bitcoin/releases/tag/v0.10.0rc3 

Calling all Developers: Whats on your New Year's wish list?
https://blog.bitcoinfoundation.org/calling-all-developers-whats-on-your-new-years-wish-list/

Users of Bitcoin Core on Linux must not upgrade to the latest version of OpenSSL
https://www.reddit.com/r/Bitcoin/comments/2rxs3f/users_of_bitcoin_core_on_linux_must_not_upgrade/

On why 0.10's release notes say \"we have reason to believe that libsecp256k1 is better tested and more thoroughly reviewed than the implementation in OpenSSL\"
http://sourceforge.net/p/bitcoin/mailman/message/33221963/
https://www.reddit.com/r/Bitcoin/comments/2rrxq7/on_why_010s_release_notes_say_we_have_reason_to/

Looking before the Scaling Up Leap
http://gavintech.blogspot.de/2015/01/looking-before-scaling-up-leap.html

Weekly Mining/Network Statistics
http://organofcorti.blogspot.com.au/search/label/weekly%20block%20maker%20statistics
http://organofcorti.blogspot.de/2015/01/january-11th-2015-mining-pool-statistics.html
http://organofcorti.blogspot.com.au/search/label/weekly%20network%20statistics

The State of Blockchain Addresses
https://letstalkbitcoin.com/blog/post/the-state-of-the-blockchain-addresses

Cex.io pauses cloud mining
https://twitter.com/jeff_smith01/status/554648104826593280

How Perfect Offline Wallets Can Still Leak Bitcoin Private Keys
https://www2.informatik.hu-berlin.de/~verbuech/klepto-ecdsa/klepto-ecdsa.pdf

Lighthouse
https://github.com/vinumeris/lighthouse

Legal Risks of Auto Updating Wallet Software?
http://comments.gmane.org/gmane.comp.bitcoin.devel/6746

Presentations: 

• Gene Vayngrib: Tradle - Bitcoin Network for Business Transactions (SaaS on the Blockchain)

• Gary Lee: Moneta

Message from our sponsors: Atlas Card is a VC-backed Bitcoin startup based in NYC. They are launching the first US Bitcoin debit card, allowing you to spend Bitcoin anywhere that VISA is accepted.  They are conducting their private beta but are currently looking to fill 2 more positions and would love to talk with anyone who is passionate about making Bitcoin easy to spend and circulate.  

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Presentations:

• Muneeb Ali - Blockstore 

• Martin Köppelmann - Zero Knowledge Proofs
Topics:

Changes from[masked]rc3 to[masked]rc4
https://github.com/bitcoin/bitcoin/compare/v0.10.0rc3...v0.10.0rc4

0.10.0 Final Release
https://bitcoin.org/bin/0.10.0/
https://github.com/bitcoin/bitcoin/blob/0.10/doc/release-notes.md

Github Isses/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5286 (merged)
https://github.com/bitcoin/bitcoin/pull/5820 (open)
https://github.com/bitcoin/bitcoin/pull/5686 (open)
https://github.com/bitcoin/bitcoin/pull/5744 (open)
https://github.com/bitcoin/bitcoin/commit/41e6e4caba9899ce7c165b0784461c55c867ee24 (merged) - https://github.com/bitcoin/bitcoin/commit/a62649731fb1babaedff10b7c0baec4c50c90d60
https://github.com/bitcoin/bitcoin/commit/a6516686dcf0b93dd0bcae304e74f9ac69cb305c (merged)
https://github.com/bitcoin/bitcoin/commit/28d4cff0ed2d4438da4bbf2d4ca0465715603af5 (merged)

Mining Pool Statistics
http://organofcorti.blogspot.com/2015/02/february-1st-2015-network-statistics_3.html
http://organofcorti.blogspot.com/2015/01/more-on-measuring-mining-centralisation.html
http://organofcorti.blogspot.com/2015/02/february-1st-2015-block-maker-statistics.html

Replace by Fee Debate
http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/7C171F0B-1EF8-4542-8E18-187B2E94DF14%40bitsofproof.com/#msg[masked] (scroll to top of thread)
http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/20150222123428.GA6570%40savin.petertodd.org/#msg[masked] (scroll to top of thread)

Bloom Filters and Privacy
http://sourceforge.net/p/bitcoin/mailman/bitcoin-development/thread/alpine.DEB.2.10.1502201702220.10329%40nzrgulfg.ivfhpber.pbz/#msg[masked] (scroll to top of the thread)
https://groups.google.com/forum/#!msg/bitcoinj/Ys13qkTwcNg/9qxnhwnkeoIJ

BIP for deterministic multisig addresses
http://sourceforge.net/p/bitcoin/mailman/message/33408139/

20 Megabyte Block Testing Results
http://gavintech.blogspot.de/2015/01/twenty-megabytes-testing-results.html

The Myth of the One Megabyte Block
http://hashingit.com/analysis/39-the-myth-of-the-megabyte-bitcoin-block

All 42,400 dormant bitcoin addresses with a balance of 25bt or more.
https://www.reddit.com/r/Bitcoin/comments/2twrs7/all_42400_dormant_bitcoin_addresses_with_a/

\"Zombie\" Bitcoins on the Move
http://codesuppository.blogspot.de/2015/01/there-has-been-lot-of-activity-in-world.html

Slicing data: what comprises blockchain transactions?
http://www.ofnumbers.com/2015/01/22/slicing-data-what-comprises-blockchain-transactions/
https://news.ycombinator.com/item?id=8781447

Waiting For Blocks
http://hashingit.com/analysis/41-waiting-for-blocks

Faster SHA-256 ASICs using carry reduced adders
https://bitslog.wordpress.com/2015/02/17/faster-sha-256-asics-using-carry-reduced-adders/

Adam Back and Gregory Maxwell: Blockstream and Sidechains
https://www.youtube.com/watch?v=jE_elgnIw3M

BTC Piñata
http://ownme.ipredator.se/

Review of BitPay's Impulse
https://gist.github.com/oleganza/a155c0591262380982df

Trezor, Bits of Proof
https://www.reddit.com/r/Bitcoin/comments/2rz30w/trezor_why_its_absolutely_not_ready_for_mass/cnkura1

F# Node
https://github.com/bitcoinfs/bitcoinfs

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Presentation:

Steve B - Automated utility for spreadsheets, to produce both gain/loss and wallet reconciliation reporting using the blockchain 

Topics:

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5835
https://github.com/bitcoin/bitcoin/pull/5863
https://github.com/bitcoin/bitcoin/pull/5875
https://github.com/bitcoin/bitcoin/pull/5885
https://github.com/bitcoin/bitcoin/pull/5891
https://github.com/bitcoin/bitcoin/pull/5879
https://github.com/bitcoin/bitcoin/pull/5896
https://github.com/bitcoin/bitcoin/pull/5911
https://github.com/bitcoin/bitcoin/pull/5864
https://github.com/sipa/bitcoin/commit/9c2737901b5203f267d21d728019d64b46f1d9f3
https://github.com/bitcoin/bitcoin/pull/5820
https://github.com/bitcoin/bitcoin/issues/5783#issuecomment[masked]

Weekly Mining Statistics
http://organofcorti.blogspot.com/2015/03/march-1st-2015-mining-pool-statistics.html
http://organofcorti.blogspot.com/2015/03/march-1st-2015-block-maker-statistics.html
http://organofcorti.blogspot.com/2015/03/march-1st-2015-network-statistics.html

Chainanalysis Sybil Attack
https://bitcointalk.org/index.php?topic=978088.msg10756505#msg[masked]
https://www.reddit.com/r/Bitcoin/comments/2yvy6b/a_regulatory_compliance_service_is_sybil/
http://sourceforge.net/p/bitcoin/mailman/message/33600873/
http://sourceforge.net/p/bitcoin/mailman/message/33602678/

Threshold Signatures
https://freedom-to-tinker.com/blog/stevenag/threshold-signatures-for-bitcoin-wallets-are-finally-here/

Transaction Spamming Attack (january, last graph)
http://213.165.91.169/

BIP: Deterministic multi-signature P2SH addresses
https://github.com/bitcoin/bips/pull/146

A brief history of Bitcoin “wallet” growth
http://www.ofnumbers.com/2015/03/01/a-brief-history-of-bitcoin-wallet-growth/

Research Perspectives and Challenges for Bitcoin and Cryptocurrencies
http://www.jbonneau.com/doc/BMCNKF15-IEEESP-bitcoin.pdf

Electrum 2.0
https://github.com/spesmilo/electrum/tree/2.0
(BIP 39 Discussion) http://sourceforge.net/p/bitcoin/mailman/message/33585048/

Authy Vulnerability
http://sakurity.com/blog/2015/03/15/authy_bypass.html/

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Pull Requests

https://github.com/bitcoin/bitcoin/pull/5927

https://github.com/bitcoin/bitcoin/pull/5937

https://github.com/bitcoin/bitcoin/pull/5943

https://github.com/bitcoin/bitcoin/pull/5945

https://github.com/bitcoin/bitcoin/pull/5946

https://github.com/bitcoin/bitcoin/pull/5947

https://github.com/bitcoin/bitcoin/pull/5951

https://github.com/bitcoin/bitcoin/pull/5952

Peter Wuille Presents Bitcoin Core 0.10

https://www.youtube.com/watch?v=PxW5D9xCIsc

Eclipse Attack

http://cs-people.bu.edu/heilman/eclipse/

https://github.com/bitcoin/bitcoin/pull/5941

Weekly Mining Statistics

http://organofcorti.blogspot.com/2015/03/march-22nd-2015-mining-pool-statistics.html

http://organofcorti.blogspot.com/2015/03/march-22nd-2015-mining-pool-statistics.html

http://organofcorti.blogspot.com/2015/03/march-22nd-2015-mining-pool-statistics.html

http://organofcorti.blogspot.com/2015/03/march-22nd-2015-mining-pool-statistics.html

When do people turn off their nodes?

https://www.reddit.com/r/Bitcoin/comments/2zidom/weve_been_under_10000_reachable_bitcoin_nodes_for/cpjhlc2

Misbehaving Nodes

https://www.reddit.com/r/Bitcoin/comments/2we0d9/in_an_unrelated_thread_a_bitcoin_dev_claimed/copzt3x

Double Spending in Bitcoin

https://medium.com/@octskyward/double-spending-in-bitcoin-be0f1d1e8008

Replace by Fee: A Counterargument

https://www.reddit.com/r/Bitcoin/comments/30lxo4/replace_by_fee_a_counter_argument_by_mike_hearn/

Preparation for Bitcoinj .12.3

https://groups.google.com/d/msg/bitcoinj/D0tiNY4E1vc/bO514T7UHiEJ

", - "visibility": "public" - }, - { - "created": 1426802768000, - "duration": 7200000, - "id": "221267901", - "name": "Socratic Meetup 40 (Security Questions Required)", - "rsvp_limit": 80, - "date_in_series_pattern": false, - "status": "past", - "time": 1428534000000, - "local_date": "2015-04-08", - "local_time": "19:00", - "updated": 1428552007000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 48, - "venue": { - "id": 23710966, - "name": "Bloomberg LP", - "lat": 0, - "lon": 0, - "repinned": false, - "address_1": "731 Lexington Avenue - LL2 Germany Room", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/221267901/", - "description": "

For the security badges to enter the building, you will need to answer the extra questions on the RSVP about your name, affiliation, and email address.  Please bring a picture ID with you to the meetup to get your security badge.  Please note that no walk-ups will be allowed in.

Presentation: Jonathan Warren - Bitmessage 

Topics:
0.10.1 RC1
http://sourceforge.net/p/bitcoin/mailman/message/33690940/
https://github.com/bitcoin/bitcoin/issues?q=milestone%3A0.10.0+is%3Aclosed

Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/5981
https://github.com/bitcoin/bitcoin/pull/5976
https://github.com/bitcoin/bitcoin/pull/5964
https://github.com/bitcoin/bitcoin/pull/5971

On Rewriting Bitcoin
https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg07052.html

Is Bitcoin Core 'technically' a protocol?
https://twitter.com/patio11/status/583700634764910592

bitcoinj[masked] Released
https://groups.google.com/d/msg/bitcoinj/uINK71tdIF8/k7dKwEcKXqIJ

btcd v.10.0 beta pre release
https://github.com/btcsuite/btcd/releases/tag/BTCD_0_10_0_BETA

Weekly Network Stats
http://organofcorti.blogspot.com/2015/04/april-5th-2015-mining-pool-statistics.html
http://organofcorti.blogspot.com/2015/04/april-5th-2015-network-statistics.html
http://organofcorti.blogspot.com/2015/04/april-5th-2015-block-maker-statistics.html

Lightning Network
http://lightning.network/lightning-network-paper-DRAFT-0.5.pdf
http://rusty.ozlabs.org/?p=450
http://rusty.ozlabs.org/?p=462
http://rusty.ozlabs.org/?p=467

Inclusive Block Chain Protocols
http://fc15.ifca.ai/preproceedings/paper_101.pdf

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Presentations:

Peter Todd - Scalability

Peter Kirby - Factom

Topics: 

0.10.1 Released
https://github.com/bitcoin/bitcoin/blob/0.10/doc/release-notes.md

Open + Recently Merged Pull Requests
https://github.com/bitcoin/bitcoin/pull/5863
https://github.com/bitcoin/bitcoin/pull/6058
https://github.com/bitcoin/bitcoin/pull/5662
https://github.com/bitcoin/bitcoin/pull/5199
https://github.com/bitcoin/bitcoin/pull/6021
https://github.com/bitcoin/bitcoin/pull/6013
https://github.com/bitcoin/bitcoin/pull/6008
https://github.com/bitcoin/bitcoin/pull/6072
https://github.com/bitcoin/bitcoin/pull/5911

MIT to Take Over Funding of Three Bitcoin Core Developers
https://www.reddit.com/r/Bitcoin/comments/33l15f/mit_to_take_over_funding_of_three_bitcoin_core/

Bitcoin core 0.11 planning
http://sourceforge.net/p/bitcoin/mailman/message/34063895/

Mining Stats
http://organofcorti.blogspot.com/2015/04/april-12th-2015-mining-pool-statistics.html
http://organofcorti.blogspot.com/2015/04/april-12th-2015-block-maker-statistics.html
http://organofcorti.blogspot.com/2015/04/april-12th-2015-network-statistics.html
http://organofcorti.blogspot.com/2015/04/april-19th-2015-network-statistics.html
http://organofcorti.blogspot.com/2015/04/april-26th-2015-block-maker-statistics.html

Transaction Volume/Analysis
http://www.ofnumbers.com/2015/04/22/the-flow-of-funds-on-the-bitcoin-network-in-2015/
http://www.ofnumbers.com/2015/04/17/a-gift-card-economy-breaking-down-bitpays-numbers/

Electrum 2.1 Release Notes
https://github.com/spesmilo/electrum/blob/master/RELEASE-NOTES

BitGo Recovery Issues
https://www.reddit.com/r/Bitcoin/comments/33u2id/help_losing_over_85_btc_because_of_bitgos_flawed/

Chainanalysis Roadmap
https://www.reddit.com/r/Bitcoin/comments/343ip9/chainalysis_roadmap/

Stellar Consensus model
https://www.stellar.org/blog/stellar-consensus-protocol-proof-code/
https://news.ycombinator.com/item?id=9342348

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Presentation:

Artur and Ray - Paxful

Topics

Bitcoin Core version[masked] is now available from:

https://bitcoin.org/bin/bitcoin-core-0.10.1


Feature Freeze for 0.11 Coming up this Friday, 5/15

https://github.com/bitcoin/bitcoin/pulls?q=milestone%3A0.11.0+is%3Apr+is%3Aopen

Github Issues / Pull Requests

https://github.com/bitcoin/bitcoin/pull/6102

https://github.com/bitcoin/bitcoin/pull/6088

https://github.com/bitcoin/bitcoin/pull/6103

https://github.com/bitcoin/bitcoin/pull/6122

https://github.com/bitcoin/bitcoin/pull/6058

https://github.com/bitcoin/bitcoin/pull/5958

https://github.com/bitcoin/bitcoin/pull/5420

https://github.com/bitcoin/bitcoin/pull/6080

https://github.com/bitcoin/bitcoin/commit/a71ab10f99f1d5aed27c45ee51ce9295fa9e49f5

Blocksize Drama

https://medium.com/@octskyward/the-capacity-cliff-586d1bf7715e

http://gavinandresen.ninja/time-to-roll-out-bigger-blocks

http://gavinandresen.ninja/why-increasing-the-max-block-size-is-urgent

http://gavinandresen.ninja/it-must-be-done-but-is-not-a-panacea

http://gavinandresen.ninja/block-size-and-miner-fees-again

http://gavinandresen.ninja/does-more-transactions-necessarily-mean-more-centralized

http://gavinandresen.ninja/big-blocks-and-tor

http://gavinandresen.ninja/the-myth-of-not-full-blocks

http://gavinandresen.ninja/utxo-uhoh

http://sourceforge.net/p/bitcoin/mailman/message/34101216/

https://www.reddit.com/user/petertodd?count=25&after=t1_cr5daox

https://www.reddit.com/user/nullc

https://www.reddit.com/user/pwuille

Bitcoin faces a crossroads, needs an effective decision-making process

https://freedom-to-tinker.com/blog/randomwalker/bitcoin-faces-a-crossroads-needs-an-effective-decision-making-process/

BitGo bug reveals patterns in Bitstamp transactions

https://news.ycombinator.com/item?id=9481506

", - "visibility": "public" - }, - { - "created": 1432219725000, - "id": "222688286", - "name": "Socratic Meetup 43 (Security Questions REQUIRED)", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1433286000000, - "local_date": "2015-06-02", - "local_time": "19:00", - "updated": 1433299146000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 75, - "venue": { - "id": 23507016, - "name": "Bloomberg LP", - "lat": 40.69010543823242, - "lon": -73.93180084228516, - "repinned": false, - "address_1": "731 Lexington Avenue, Room 28W MPR A", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/222688286/", - "description": "

Presentations:

Matthieu Riou (BlockCypher) - Building A Scalable Full Node Go Implementation

Michael Flaxman - BlockCypher's Block Explorer

Topics:0.9.5 Release
https://github.com/bitcoin/bitcoin/blob/ea07ccbf3ba462068b9b0cd9daf8df1ba90cab2e/doc/release-notes.md

0.10.2 Release
https://github.com/bitcoin/bitcoin/blob/16f45600c8c372a738ffef544292864256382601/doc/release-notes.md

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/6130 (https://github.com/bitcoin/bitcoin/pull/6122#issuecomment[masked])
https://github.com/bitcoin/bitcoin/pull/6131
https://github.com/bitcoin/bitcoin/pull/6134
https://github.com/bitcoin/bitcoin/pull/6217
https://github.com/bitcoin/bitcoin/pull/6209
https://github.com/bitcoin/bitcoin/commit/36cba8f1182e8284ec0017e57c5ffb519cd9798f
https://github.com/bitcoin/bitcoin/commit/8ba7f842e5a00e43167e53b456c6d8732b8861c5
https://github.com/bitcoin/bitcoin/commit/28bf06236d3b385e95fe26a7a742395b30efd6ee
https://github.com/bitcoin/bitcoin/commit/8c35b6f3be218101630101806300cfd75be23f58
https://github.com/bitcoin/bitcoin/commit/b649e0395464a659f4b3485ec71d28dc95ba48bd

Block Size Debate (continued)
http://bitcoin-development.narkive.com/3MPEfZHu/block-size-increase
http://bitcoin-development.narkive.com/80ZxPQWi/long-term-mining-incentives
http://bitcoin-development.narkive.com/iHmMh6bZ/proposed-alternatives-to-the-20mb-step-function
http://gavinandresen.ninja/are-bigger-blocks-better-for-bigger-miners
http://gavinandresen.ninja/bigger-blocks-another-way
http://gavinandresen.ninja/when-the-block-reward-goes-away
https://letstalkbitcoin.com/blog/post/lets-talk-bitcoin-217-the-bitcoin-block-size-discussion
https://www.reddit.com/r/Bitcoin/comments/37vg8y/is_the_blockstream_company_the_reason_why_4_core/crqbd78
https://www.reddit.com/r/Bitcoin/comments/37ub2k/stress_test_recap/
http://www.ofnumbers.com/2015/05/31/a-few-results-from-the-first-intentional-intentional-stress-test-on-a-communal-blockchain/

[BIP] Normalized Transaction IDs
http://bitcoin-development.narkive.com/DC1ukZ2k/bip-normalized-transaction-ids

Interesting Discussion RE UTXO
http://bitcoin-development.narkive.com/9M4nC3RV/a-suggestion-for-reducing-the-size-of-the-utxo-database

Pruning Discussion
http://bitcoin-development.narkive.com/mwFcPEXG/proposed-additional-options-for-pruned-nodes#post6

First Seen replace-by-fee
https://github.com/bitcoin/bitcoin/pull/6176
http://bitcoin-development.narkive.com/NgSiQBmM/first-seen-safe-replace-by-fee

Version Bits
https://gist.github.com/sipa/bf69659f43e763540550
http://bitcoin-development.narkive.com/yOuNaoYS/version-bits-proposal

Weekly Mining Stats
http://organofcorti.blogspot.com/

bc.i Android Wallet Security Update
http://blog.blockchain.com/2015/05/28/android-wallet-security-update/

ChainDB
https://bitpay.com/chaindb.pdf
http://bitcoin-development.narkive.com/MvY1yHnO/chaindb-whitepaper

Borromean Ring Signatures
https://github.com/Blockstream/borromean_paper/raw/master/borromean_draft_0.01_34241bb.pdf

Tutorial: Building a document timestamping contracts app in under 30 minutes
https://bitcoinj.github.io/document-timestamp-app

Bitcoin mining on a 55 year old IBM 1401 mainframe: 80 seconds per hash
http://www.righto.com/2015/05/bitcoin-mining-on-55-year-old-ibm-1401.html

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Message from our Sponsors: Symbiont.io is a financial technology startup working to bridge the gap between cryptocurrency technology and mainstream finance. Our team consists of known leaders in both fields, with three of its founders having co-founded the Counterparty platform, and its other founder behind two alternative trading systems and the original LavaFlow ECN. We are venture/angel funded, and have already attracted significant investor interest and press coverage (FT, Bloomberg, Reuters, etc).

We are currently looking for strong, experienced front-end/full-stack web developers, and for developers with expertise in cryptocurrency and distributed systems.

Applicants must be intelligent and passionate self-starters who work well with a team and who can pick up new programming languages and frameworks quickly. You'll have the ability to participate in technology selection at multiple levels, and we are offering a competitive salary, plus stock options. We want our team members to share in our success, and to have equity to benefit from it. By joining Symbiont, you have the opportunity to become an early, integral team member of a project to revolutionize modern finance, as well as the ability to work with (and help to define) truly cutting-edge blockchain and cryptocurrency technology.

Presentations:

Aaron Zirker - Coinado

Cristoph Jentzsch - EtherLock

Topics:

0.11.0 RC2
https://bitcoin.org/bin/bitcoin-core-0.11.0/test/
https://github.com/bitcoin/bitcoin/blob/0.11/doc/release-notes.md

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/6231 (open)
https://github.com/bitcoin/bitcoin/pull/6247 (open)
https://github.com/bitcoin/bitcoin/pull/6255 (open)
https://github.com/bitcoin/bitcoin/pull/6265 (open)
https://github.com/bitcoin/bitcoin/pull/6281 (open)
https://github.com/bitcoin/bitcoin/pull/6306 (open)
https://github.com/bitcoin/bitcoin/pull/6341 (open)
https://github.com/bitcoin/bitcoin/pull/6346 (open)
https://github.com/bitcoin/bitcoin/pull/6333 (open)
https://github.com/bitcoin/bitcoin/pull/6314 (open)
https://github.com/bitcoin/bitcoin/pull/6351 (open)
https://github.com/bitcoin/bitcoin/pull/6353 (open)
https://github.com/bitcoin/bitcoin/pull/6352 (open)
https://github.com/bitcoin/bitcoin/pull/6221 (merged)

Miners: You'll (very likely) need to upgrade your Bitcoin Core node soon to support BIP66
http://bitcoin-development.narkive.com/FPEkyoSQ/bitcoin-development-miners-you-ll-very-likely-need-to-upgrade-your-bitcoin-core-node-soon-to

Block Size Proposals
http://bitcoin-development.narkive.com/cr8x2evb/bitcoin-development-various-block-size-proposals

 Upcoming DOS vulnerability announcements for Bitcoin Core
http://bitcoin-development.narkive.com/tO8M0R0j/upcoming-dos-vulnerability-announcements-for-bitcoin-core

F2Pool has enabled full replace-by-fee
http://bitcoin-development.narkive.com/mEnAaLCQ/bitcoin-development-f2pool-has-enabled-full-replace-by-fee

Confidential Transactions
https://people.xiph.org/~greg/confidential_values.txt

P2Pool Rlease 14.0
https://bitcointalk.org/index.php?topic=18313.msg11723989#msg[masked]

BTCGuild Closing Down
https://bitcointalk.org/index.php?topic=49417.msg11627605#msg[masked]

BIP 100
http://gtf.org/garzik/bitcoin/BIP100-blocksizechangeproposal.pdf

Tradeblock Capacity Analysis
https://tradeblock.com/blog/bitcoin-network-capacity-analysis-part-1-macro-block-trends
https://tradeblock.com/blog/bitcoin-network-capacity-analysis-part-2-macro-transaction-trends
https://tradeblock.com/blog/bitcoin-network-capacity-analysis-part-3-miner-incentives
https://tradeblock.com/blog/bitcoin-network-capacity-analysis-part-4-simulating-practical-capacity
https://tradeblock.com/blog/bitcoin-network-capacity-analysis-part-5-stress-test-analysis
https://tradeblock.com/blog/bitcoin-network-capacity-analysis-part-6-data-propagation

Mining Stats
http://organofcorti.blogspot.com/2015/06/june-28th-2015-network-statistics_29.html
http://organofcorti.blogspot.com/2015/06/june-28th-2015-block-maker-statistics.html
http://organofcorti.blogspot.com/2015/06/june-21st-2015-network-statistics.html

Another Stress Test
https://www.reddit.com/r/Bitcoin/comments/3agk61/ultimate_bitcoin_stress_test_monday_june_22nd/

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Presentation:

Eric Woods - Money Packet

Discussion Topics:

Bitcoin Core[masked] Released
http://bitcoin-development.narkive.com/lqAAytXq/bitcoin-core-0-11-0-released

Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/6355 (open)
https://github.com/bitcoin/bitcoin/pull/6356 (open)
https://github.com/bitcoin/bitcoin/pull/6357/commits (open)
https://github.com/bitcoin/bitcoin/pull/6405 (open)
https://github.com/bitcoin/bitcoin/pull/6374 (open)
https://github.com/bitcoin/bitcoin/pull/6402 (open)
https://github.com/bitcoin/bitcoin/pull/6403 (open)
https://github.com/bitcoin/bitcoin/pull/6452 (open)
https://github.com/bitcoin/bitcoin/pull/6455 (open)
https://github.com/bitcoin/bitcoin/pull/6451 (open)
https://github.com/bitcoin/bitcoin/pull/6312 (open)
https://github.com/bitcoin/bitcoin/pull/6388 (merged)
https://github.com/bitcoin/bitcoin/pull/6410 (merged)
https://github.com/bitcoin/bitcoin/pull/6384 (merged)
https://github.com/bitcoin/bitcoin/issues/6460 (issue, open)   

Largest Transaction Ever Mined
https://www.reddit.com/r/Bitcoin/comments/3cgft7/largest_transaction_ever_mined_999657_kb_consumes/

Some Miners Generat[ed] Invalid blocks
https://bitcoin.org/en/alert/2015-07-04-spv-mining
https://www.reddit.com/r/Bitcoin/comments/3c2cfd/psa_f2pool_is_mining_invalid_blocks/
http://bitcoin-development.narkive.com/p5wEUweK/fork-of-invalid-blocks-due-to-bip66-violations
http://bitcoin-development.narkive.com/W7zdLIWv/spv-mining-reveals-a-problematic-incentive-issue

Outroduction of old non-updated full nodes through graceful degradation to SPV mode
http://bitcoin-development.narkive.com/uwe5Qbxs/outroduction-of-old-non-updated-full-nodes-through-graceful-degradation-to-spv-mode

Double Spends against ShapeShift
http://bitcoin-development.narkive.com/rEuPiJLo/significant-losses-by-double-spending-unconfirmed-transactions

For discussion: limit transaction size to mitigate CVE[masked]
http://bitcoin-development.narkive.com/wEdAXkTT/for-discussion-limit-transaction-size-to-mitigate-cve-2013-2292

Do we really need a mempool?
http://bitcoin-development.narkive.com/lLZ4LiIm/do-we-really-need-a-mempool-for-relay-nodes

", - "visibility": "public" - }, - { - "created": 1438225114000, - "duration": 7200000, - "id": "224274974", - "name": "Peter Todd on Fee Markets", - "rsvp_limit": 75, - "date_in_series_pattern": false, - "status": "past", - "time": 1438729200000, - "local_date": "2015-08-04", - "local_time": "19:00", - "updated": 1438738673000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 43, - "venue": { - "id": 23996121, - "name": "Fueled Collective", - "lat": 40.72433090209961, - "lon": -73.99762725830078, - "repinned": false, - "address_1": "568 Broadway, 11th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/224274974/", - "description": "

Presentation:

• Peter Todd - Fee Markets

Topics: TBA

", - "visibility": "public" - }, - { - "created": 1438978991000, - "duration": 9000000, - "id": "224479462", - "name": "Socratic Meetup 46 (Food Sponsored by Paxful)", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1439334000000, - "local_date": "2015-08-11", - "local_time": "19:00", - "updated": 1439344987000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 53, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/224479462/", - "description": "

Presentation:

•  Flavien Charlon - Open Assets 

Discussion Topics:

Github Pull Requests/Issues
https://github.com/bitcoin/bitcoin/pull/6494 (open)
https://github.com/bitcoin/bitcoin/pull/6470 (open)
https://github.com/bitcoin/bitcoin/issues/6461 (open)
https://github.com/bitcoin/bitcoin/pull/6346 (merged)
https://github.com/bitcoin/bitcoin/pull/6498 (merged)

Disclosure: consensus bug indirectly solved by BIP66
http://bitcoin-development.narkive.com/0yTw3HTk/disclosure-consensus-bug-indirectly-solved-by-bip66

Bitcoin Node Speed Test
http://bitcoin-development.narkive.com/mNGxzs3p/bitcoin-node-speed-test

Bitcoin Core and Hard Forks
http://bitcoin-development.narkive.com/rZCo9LuB/bitcoin-core-and-hard-forks

Block Size According to Technological growth
https://gist.github.com/sipa/c65665fc360ca7a176a6

Mike Hearn on XT
https://www.reddit.com/r/Bitcoin/comments/3e64dk/time_to_end_bitcoin_reliance_on_core_and_end_this/ctbyqwy

Electrum Server Performance
http://bitcoin-development.narkive.com/kKYHvTdP/electrum-server-speed-test

Miners Showing Support for 8MB Blocks (but not XT)
https://blockchain.info/tx/b04a279c77971da1a4e98d1a67b4d306dcb1ad82a9b18b0010b5e70648721aef?show_adv=true
https://twitter.com/kncminer/status/631098358657077249
http://cointelegraph.com/news/114657/chinese-mining-pools-call-for-consensus-refuse-switch-to-bitcoin-xt

bitcoinfees
https://bitcoinfees.github.io/

Weekly Mining Stats
http://organofcorti.blogspot.com/2015/08/august-9th-2015-block-maker-statistics.html

Optimal Selfish Mining Strategies in Bitcoin
http://arxiv.org/pdf/1507.06183v1.pdf

Stubborn Mining: Generalizing Selfish Mining and Combining with an Eclipse Attack
https://eprint.iacr.org/2015/796.pdf

Message from our Sponsors: Paxful is a peer to peer money marketplace powered by bitcoin. We are looking for experienced PHP, Angular and front end developers:

• 2x: Full stack PHP developer to work on a Laravel app.

• 1x: Full stack front end developer, experienced with Angular.

", - "visibility": "public" - }, - { - "created": 1440087581000, - "duration": 9000000, - "id": "224766727", - "name": "Socratic Meetup 47", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1441148400000, - "local_date": "2015-09-01", - "local_time": "19:00", - "updated": 1441158569000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 51, - "venue": { - "id": 24040284, - "name": "Columbia University", - "lat": 40.80759048461914, - "lon": -73.9629135131836, - "repinned": false, - "address_1": "Uris Hall - Room 330", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/224766727/", - "description": "

Presentation: Blockstack.org

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/6557 (open)
https://github.com/bitcoin/bitcoin/pull/6013 (merged)
https://github.com/bitcoin/bitcoin/commit/ddd8d80c63182aefea56abf743bb9199d9602544 (merged)
https://github.com/bitcoin/bitcoin/commit/7f1f8f5edf36b0885b0f2b746e28a2f9bde8f4f0 (merged)
https://github.com/bitcoin/bitcoin/issues/6613
https://github.com/bitcoin/bitcoin/issues/6586
https://github.com/bitcoin/bitcoin/issues/6568
https://github.com/bitcoin/bitcoin/issues/6569
https://github.com/btcdrak/bips/commit/7eedc3f1cca0501811842c1dd23785ae7ab6f6d4

Future of Bitcoin Core wallet
http://bitcoin-development.narkive.com/i0KM5krN/future-of-bitcoin-cores-wallet#post4

Tree Signatures
https://blockstream.com/2015/08/24/treesignatures/

Weekly Mining Stats
http://organofcorti.blogspot.com/2015/08/august-30th-2015-block-maker-statistics.html
http://organofcorti.blogspot.com/2015/08/august-30th-2015-network-statistics.html

Block Size Discussion:

Support for Various Block Proposals
https://www.blocktrail.com/BTC/pools?resolution=24h

BIP 100
http://gtf.org/garzik/bitcoin/BIP100-blocksizechangeproposal.pdf

Soft Fork = Hard fork
https://www.reddit.com/r/bitcoin_uncensored/comments/3hj2sl/soft_fork_hard_fork/

On Consensus and forks
https://medium.com/@octskyward/on-consensus-and-forks-c6a050c792e7
https://www.reddit.com/r/Bitcoin/comments/3griiv/on_consensus_and_forks_by_mike_hearn/cu0yv0r

Why is Bitcoin forking?
https://medium.com/faith-and-future/why-is-bitcoin-forking-d647312d22c1

Announcing Not-bitcoinxt
http://bitcoin-development.narkive.com/aYx2rqEW/annoucing-not-bitcoinxt

Bitcoin XT .11A released
http://bitcoin-development.narkive.com/wNr91ixi/bitcoin-xt-0-11a

An XT FAQ
https://medium.com/@octskyward/an-xt-faq-38e78aa32ff0

Manipulating Node Count
https://www.reddit.com/r/bitcoinxt/comments/3i1dra/psa_its_super_easy_to_manipulate_the_node_count_i/

DDoS Attacks
https://mining.bitcoin.cz/news/update-bip101-voting-disabled-because-of-ddos-attack/

XT and tor
http://bitcoin-development.narkive.com/YA8PdYjn/bitcoin-xts-tor-ip-blacklist-downloading-system-has-significant-privacy-leaks#post5

BIP 101 Implementation Flaws
http://organofcorti.blogspot.com/2015/08/bip101-implementation-flaws.html

Dynamic Block Size Proposals
https://github.com/UpalChakraborty/bips/blob/master/BIP-DynamicMaxBlockSize.mediawiki
https://bitcointalk.org/index.php?topic=1078521.0

", - "visibility": "public" - }, - { - "created": 1442237663000, - "duration": 9000000, - "id": "225343867", - "name": "Socratic Meetup 48", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1442530800000, - "local_date": "2015-09-17", - "local_time": "19:00", - "updated": 1443105816000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 55, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/225343867/", - "description": "

Presentations:

• Steve Dekorte - Bitmarkets

• Or Perelman  - Chromawallet

•  Simon Burns - Wealthco.in

Topics:
GitHub Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/6618
https://github.com/bitcoin/bitcoin/pull/6622
https://github.com/bitcoin/bitcoin/pull/6639
https://github.com/bitcoin/bips/blob/master/bip-0111.mediawiki
https://github.com/bitcoin/bitcoin/pull/6579 (merged)
https://github.com/TheBlueMatt/bitcoin/commit/2d3704f04a6968e2beb24dd2beae58d3d2f14033
https://github.com/bitcoin/bitcoin/pull/6654
https://github.com/bitcoin/bitcoin/pull/6673
https://github.com/bitcoin/bitcoin/issues/6675
https://github.com/bitcoin/bitcoin/pull/6672
https://github.com/bitcoin/bitcoin/pull/6645
https://github.com/bitcoin/bitcoin/pull/6650
https://github.com/bitcoin/bitcoin/commit/e6a14b64d665eb1fafd03a6bbc8d14597ce1c83c (merged)
https://github.com/bitcoin/bitcoin/pull/6374 (merged)
https://github.com/bitcoin/bitcoin/commit/57d85d9bee20edb6c3070504f23b6a2be2802654

libconsensus and bitcoin development process
http://bitcoin-development.narkive.com/mH0GrHuE/libconsensus-and-bitcoin-development-process

[BIP Proposal] Version bits with timeout and delay.
http://bitcoin-development.narkive.com/2P0s5SLn/bip-proposal-version-bits-with-timeout-and-delay

Mining Stats
http://organofcorti.blogspot.com/2015/09/september-6th-2015-mining-pool.html
http://organofcorti.blogspot.com/2015/09/september-6th-2015-block-maker.html
http://organofcorti.blogspot.com/2015/09/september-13th-2015-mining-pool.html
http://organofcorti.blogspot.com/2015/09/september-13th-2015-block-maker.html
http://organofcorti.blogspot.com/2015/09/september-13th-2015-network-statistics.html

Scaling Bitcoin Conference
https://www.youtube.com/channel/UCmwaDulmQtX-H8FOSQTKqMg

Scaling Bitcoin conference micro-report
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-September/011031.html

Bitxoinxt .11B Prerelease
https://github.com/bitcoinxt/bitcoinxt/releases/tag/v0.11B

BIP 100 Technical Specifications
https://github.com/jgarzik/bip100/blob/master/bip-0100.mediawiki

BitPay Hack
http://www.bizjournals.com/atlanta/blog/atlantech/2015/09/atlantas-bitpay-got-hacked-for-1-8-million-in.html
https://blog.bitpay.com/last-years-theft/

Proof of unique blockchain storage revised
https://bitslog.wordpress.com/2015/09/16/proof-of-unique-blockchain-storage-revised/

DagCoin
https://bitslog.files.wordpress.com/2015/09/dagcoin-v41.pdf
https://bitslog.wordpress.com/2015/09/11/dagcoin/

Hashmal - Transaction Script IDE (alpha)
https://bitcointalk.org/index.php?topic=1168604

", - "visibility": "public" - }, - { - "created": 1442340815000, - "id": "225374509", - "name": "Whitepaper Wednesday: MIT's Enigma", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1443654000000, - "local_date": "2015-09-30", - "local_time": "19:00", - "rsvp_close_offset": "PT5H", - "updated": 1443665957000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 83, - "venue": { - "id": 24122368, - "name": "Dechert LLP", - "lat": 40.75473403930664, - "lon": -73.9848403930664, - "repinned": false, - "address_1": "1095 Avenue of the Americas", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/225374509/", - "description": "

SECURITY QUESTION REQUIRED

Bob McElrath will lead a 1-hour, informal discussion on the following topic. Please try to read the paper ahead of time and come with questions.  It's a good idea to bring a printout of the paper.  Pizza and beer will be provided by SolidX. Afterwards we will head to Cock and Bull (23 W. 45th St. for drinks and further discussion).  Feel free to join us directly there about 8:30.

http://blog.sldx.com/announcing-whitepaper-wednesdays/ 

http://enigma.media.mit.edu/

http://enigma.media.mit.edu/enigma_full.pdf

A peer-to-peer network, enabling different parties to jointly store and run computations on data while keeping the data completely private. Enigma’s computational model is based on a highly optimized version of secure multi-party computation, guaranteed by a verifiable secret-sharing scheme. For storage, we use a modified distributed hashtable for holding secret-shared data. An external blockchain is utilized as the controller of the network, manages access control, identities and serves as a tamper-proof log of events. Security deposits and fees incentivize operation, correctness and fairness of the system. Similar to Bitcoin, Enigma removes the need for a trusted third party, enabling autonomous control of personal data. For the first time, users are able to share their data with cryptographic guarantees regarding their privacy.

", - "how_to_find_us": "Please enter at the back of building. There will be a sign-in table at the entrance. Announce you are here for Dechert. Make sure to RSVP with your full name and they will give you further directions when you arrive.", - "visibility": "public" - }, - { - "created": 1443631821000, - "duration": 8100000, - "id": "225729083", - "name": "Socratic Meetup 49 (Food Sponsored by BlockCypher)", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1445382000000, - "local_date": "2015-10-20", - "local_time": "19:00", - "updated": 1445477742000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 81, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/225729083/", - "description": "

Presentations:

Josh Cincinatti (BlockCypher) - Building An Asynchronous Blockchain-Based Board Game for Fun

Robert Allen - coincube.io 

Topics:

Bitcoin Core version[masked] and[masked] Released
https://github.com/bitcoin/bitcoin/blob/cf33f196e79b1e61d6266f8e5190a0c4bfae7224/doc/release-notes.md

https://github.com/bitcoin/bitcoin/blob/8d598c26e34e36619180f73926043a43bfe68879/doc/release-notes.md

Bitcoin Core[masked] Release Schedule
http://bitcoin-development.narkive.com/vfu2UERW/bitcoin-core-0-12-0-release-schedule

UPnP Vulnerability
https://bitcoin.org/en/alert/2015-10-12-upnp-vulnerability

GitHub Issues/ Pull Requests
https://github.com/bitcoin/bitcoin/pull/6693
https://github.com/bitcoin/bitcoin/pull/6835
https://github.com/bitcoin/bitcoin/pull/6707
https://github.com/bitcoin/bitcoin/pull/6722
https://github.com/bitcoin/bitcoin/pull/6771
https://github.com/bitcoin/bitcoin/pull/6654 (merged)
https://github.com/bitcoin/bitcoin/pull/6315 (merged)
https://github.com/bitcoin/bitcoin/pull/6793 (merged)
https://github.com/bitcoin/bitcoin/pull/6650 (merged)
https://github.com/bitcoin/bitcoin/pull/6769 (merged)

XT
https://github.com/bitcoinxt/bitcoinxt/commit/24efc43ac51dec36b8d2e50d32a8dfca65881d90
https://github.com/bitcoinxt/bitcoinxt/commit/c87f3175aaf4b501e6087114bfbe326ec37abaea

Long Term vision for bitcoind
http://bitcoin-development.narkive.com/mH0GrHuE/libconsensus-and-bitcoin-development-process (continued from last meeting)
http://bitcoin-development.narkive.com/bBxsg3X9/long-term-vision-for-bitcoind-was-libconsensus-and-bitcoin-development-process

Weak Block Discussion
http://bitcoin-development.narkive.com/cNw4wBXL/weak-block-thoughts

Weekly Developer Meetings
http://bitcoin-development.narkive.com/lp1B1YIs/weekly-development-meetings-on-irc-schedule
https://www.reddit.com/r/Bitcoin/comments/3nh0s4/bitcoin_dev_irc_meeting_in_laymans_terms_or_an/
https://www.reddit.com/r/Bitcoin/comments/3o7bi6/bitcoin_dev_meeting_in_laymans_terms_2015108/
https://www.reddit.com/r/Bitcoin/comments/3pcinz/bitcoin_dev_irc_meeting_in_laymans_terms_20151015/
https://docs.google.com/document/d/1zsWVaf5H9ECrN1zPutMdD_2ky3fnhQUM411NDrRrc-M
https://docs.google.com/document/d/1hCDuOBNpqrZ0NLzvgrs2kDIF3g97sOv-FyneHjQellk
   
Malleability Attack
http://blog.coinkite.com/post/130318407326/ongoing-bitcoin-malleability-attack-low-s-high
https://bitcointalk.org/index.php?topic=1198032.msg12579271#msg[masked]
https://www.reddit.com/r/Buttcoin/comments/3okxo5/does_amaclin_need_some_btc_to_wreck_havoc/cvyfy53

Analysis of Bitcoin Transaction Size Trends
https://tradeblock.com/blog/analysis-of-bitcoin-transaction-size-trends

Weekly Mining Statistics

http://organofcorti.blogspot.de/2015/09/september-20th-2015-block-maker.html

http://organofcorti.blogspot.de/2015/09/september-27th-2015-mining-pool.html

http://organofcorti.blogspot.de/2015/09/september-27th-2015-block-maker.html

CoinParty

https://www.comsys.rwth-aachen.de/fileadmin/papers/2015/2015-ziegeldorf-codaspy-coinparty.pdf

Transaction Remote Release
http://arxiv.org/abs/1509.06160

Bitcoin-NG
http://hackingdistributed.com/2015/10/14/bitcoin-ng/
http://bitcoin-development.narkive.com/Rm8tMyOl/bitcoin-ng-whitepaper

Micropay
http://www.initc3.org/uploads/5/7/5/2/57520325/micropay2.pdf

Compact Confidential transactions
https://bitcointalk.org/index.php?topic=1085436.0

Liquid Sidechain
https://blockstream.com/2015/10/12/introducing-liquid/

Imperfect Forward Secrecy: How DH Works in Practice
https://weakdh.org/imperfect-forward-secrecy-ccs15.pdf

Some links about zero knowledge proofs and zkSNARKs.

https://bitcointalk.org/index.php?topic=1201029.0

", - "visibility": "public" - }, - { - "created": 1445977960000, - "duration": 7200000, - "id": "226351844", - "name": "Socratic Meetup 50 (Food Sponsored by SolidX)", - "rsvp_limit": 110, - "date_in_series_pattern": false, - "status": "past", - "time": 1447200000000, - "local_date": "2015-11-10", - "local_time": "19:00", - "rsvp_close_offset": "PT4H", - "updated": 1447208197000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 103, - "venue": { - "id": 24122368, - "name": "Dechert LLP", - "lat": 40.75473403930664, - "lon": -73.9848403930664, - "repinned": false, - "address_1": "1095 Avenue of the Americas", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/226351844/", - "description": "

Security Question REQUIRED. Please include your full name in the RSVP.

Presentations:

• Peter Todd - The good, bad, and ugly of proof-of-work

• Joseph Poon & Thaddeus Dryja - Lightning Network

Discussion Topics:

Bitcoin Core[masked]rc1
https://github.com/bitcoin/bitcoin/blob/0.11/doc/release-notes.md

Github Issues / Pull Requests
https://github.com/bitcoin/bitcoin/pull/6835 https://github.com/bitcoin/bitcoin/pull/6842
https://github.com/bitcoin/bitcoin/pull/6844
https://github.com/bitcoin/bitcoin/pull/6850
https://github.com/bitcoin/bitcoin/pull/6851
https://github.com/bitcoin/bitcoin/pull/6871
https://github.com/bitcoin/bitcoin/pull/6915
https://github.com/bitcoin/bitcoin/pull/6954
https://github.com/bitcoin/bitcoin/pull/6973
https://github.com/bitcoin/bitcoin/pull/6907
https://github.com/bitcoin/bitcoin/pull/6915
https://github.com/bitcoin/bitcoin/pull/6776 (merged)
https://github.com/bitcoin/bitcoin/commit/3b20e239c602dd7d3ab85935ef9d1f6c5e1907d2 (merged)
https://github.com/bitcoin/bitcoin/pull/5936 (merged)
https://github.com/bitcoin/bitcoin/pull/6622 (merged)
https://github.com/bitcoin/bitcoin/pull/6856 (merged)
https://github.com/bitcoin/bitcoin/issues/6876
https://github.com/bitcoin/bitcoin/issues/6959

Weekly Developer Meetings
https://www.reddit.com/r/Bitcoin/comments/3qamm5/bitcoin_dev_irc_meeting_in_laymans_terms_20151022/
https://www.reddit.com/r/Bitcoin/comments/3r7qeu/bitcoin_dev_irc_meeting_in_laymans_terms_20151029/
https://www.reddit.com/r/Bitcoin/comments/3s4ul1/bitcoin_dev_irc_meeting_in_laymans_terms_20151105/

Summarizing security assumptions (re cost metrics)
http://bitcoin-development.narkive.com/0oSTjsYq/summarising-security-assumptions-re-cost-metrics

[BIP] Normalized transaction IDs
http://bitcoin-development.narkive.com/DjOYjEig/bip-normalized-transaction-ids

Weekly Mining Stats
http://organofcorti.blogspot.com/2015/10/october-25th-2015-mining-pool-statistics.html
http://organofcorti.blogspot.com/2015/11/november-1st-2015-block-maker-statistics.html

The Challenges of Blockhain Indexing
https://medium.com/@lopp/the-challenges-of-block-chain-indexing-30527cf4bfbd

Bitoin-NG Feedback Review
http://hackingdistributed.com/2015/11/09/bitcoin-ng-followup/

Epicenter Bitcoin: Emin Gün Sirer & Ittay Eyal - Network emulation of Bitcoin and Bitcoin-NG
https://soundcloud.com/epicenterbitcoin/eb-103

DevCore 2015 (talks/panels by/with Greg Maxwell, Matt Corallo, Jeff Garzik and Gavin Andresen)
https://www.youtube.com/results?search_query=devcore+draper+university+2015&search_sort=video_date_uploaded

Transition to quantum resistant algorithms
https://www.nsa.gov/ia/programs/suiteb_cryptography/

A Riddle Wrapped in an Enigma
https://eprint.iacr.org/2015/1018.pdf

", - "how_to_find_us": "Do NOT use the front entrance. Please use the entrance in the rear of the building. Security will direct you to the event room.", - "visibility": "public" - }, - { - "created": 1447446378000, - "duration": 5400000, - "id": "226757250", - "name": "Whitepaper Wednesday: The RAFT Consensus Protocol", - "date_in_series_pattern": false, - "status": "past", - "time": 1449100800000, - "local_date": "2015-12-02", - "local_time": "19:00", - "updated": 1449107800000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 51, - "venue": { - "id": 24236161, - "name": "Met Life Building", - "lat": 40.75352096557617, - "lon": -73.97663116455078, - "repinned": false, - "address_1": "200 Park Avenue", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/226757250/", - "description": "

For our next Whitepaper Wednesday, Steve Ellis of SmartContract has kindly offered to lead a discussion about the RAFT consensus protocol.

The reading material for this meetup is the original RAFT paper.  There are a number of other good descriptions of RAFT out there though if you want to seek out further or alternative reading, and more than 40 implementations. (!!!)

What does this have to do with Bitcoin?  Inasmuch as Bitcoin achieves consensus and Byzantine Fault Tolerance through its Proof-of-Work algorithm, there are very few other options, each using different sets of security assumptions (the others are PBFT and PAXOS). Those of you interested in Permissioned Distributed Ledgers may be interested in these alternatives for maintaining consensus about such a distributed database.

Please read the paper and come participate in a lively discussion!   Food and beer will be provided by SolidX.

Title: In Search of an Understandable Consensus Algorithm

Authors: Diego Ongaro and John Ousterhout, Stanford University

Abstract: Raft is a consensus algorithm for managing a replicated log. It produces a result  equivalent to (multi-)Paxos, and it is as efficient as Paxos, but its structure is different  from Paxos; this makes Raft more understandable than Paxos and also provides a better foundation for building practical systems. In order to enhance understandability, Raft separates the  key elements of consensus, such as leader election, log replication, and safety, and it enforces a stronger degree of coherency to reduce the number of states that must be considered. Results  from a user study demonstrate that Raft is easier for students to learn than Paxos. Raft also  includes a new mechanism for changing the cluster membership, which uses overlapping majorities to guarantee safety.

", - "how_to_find_us": "From the Grand Central great hall, follow the escalators up to the Met Life building. Get a visitors pass from security and head up to the 17th floor. Signs will be posted from there.", - "visibility": "public" - }, - { - "created": 1447365289000, - "duration": 9000000, - "id": "226735385", - "name": "Socratic Meetup 51 + Holiday Party", - "rsvp_limit": 110, - "date_in_series_pattern": false, - "status": "past", - "time": 1449618300000, - "local_date": "2015-12-08", - "local_time": "18:45", - "updated": 1449692751000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 101, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/226735385/", - "description": "

We are having a mini-holiday party to kick off the final event of the year. Please come on time to enjoy dumplings, mini-kegs, soda and other libations sponsored by our friends at the OSFDA. The party will be from 6:45-7:30 and the Socratic event will start soon thereafter.

If you can't make it to the main event please join us for a social hour at Live Bait around 9:30PM.

Presentations:

• Michael Flaxman - bcwallet

• Rodolfo Novak - Coinkite

Discussion Topics:

0.11.2 Final Release
https://bitcoin.org/en/release/v0.11.2

Scaling Bitcoin Phase II
https://www.youtube.com/channel/UCLVGLsbGv-RqWyi4DYs7Qwg
(transcripts) https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-December/011862.html

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/7081
https://github.com/bitcoin/bitcoin/pull/7082
https://github.com/bitcoin/bitcoin/pull/7093
https://github.com/bitcoin/bitcoin/pull/7099
https://github.com/bitcoin/bitcoin/pull/7104 
https://github.com/bitcoin/bitcoin/pull/7132 
https://github.com/bitcoin/bitcoin/pull/7159
https://github.com/bitcoin/bitcoin/pull/7164
https://github.com/bitcoin/bitcoin/pull/6898 (merged)
https://github.com/bitcoin/bitcoin/pull/6918 (merged)
https://github.com/bitcoin/bitcoin/pull/6954 (merged)
https://github.com/bitcoin/bitcoin/pull/6993 (merged)
https://github.com/bitcoin/bitcoin/pull/6984 (merged)
https://github.com/bitcoin/bitcoin/pull/6871 (merged)
https://github.com/bitcoin/bitcoin/pull/6134 (merged)
https://github.com/bitcoin/bitcoin/pull/7087 (merged)
https://github.com/bitcoin/bitcoin/pull/6508 (merged)
https://github.com/bitcoin/bitcoin/pull/7079 (merged)
https://github.com/bitcoin/bitcoin/pull/7008 (merged)
https://github.com/bitcoin/bitcoin/pull/6915 (merged)
https://github.com/bitcoin/bitcoin/pull/7113 (merged)
https://github.com/bitcoin/bitcoin/pull/6216 (merged)

Bitcoin Dev Meetings
https://np.reddit.com/r/btc/comments/3uv39r/bitcoin_dev_irc_meeting_in_laymans_terms_20151126/
https://np.reddit.com/r/Bitcoin/comments/3t1in5/bitcoin_dev_irc_meeting_in_laymans_terms_20151112/
https://np.reddit.com/r/Bitcoin/comments/3vsysu/bitcoin_dev_irc_meeting_in_laymans_terms_20151203/

[bitcoin-dev] Announcing Jonas Schnelli as GUI maintainer
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011728.html

[bitcoin-dev] Upcoming Transaction Priority Changes
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011713.html

[bitcoin-dev] Opt-in Full Replace-By-Fee (Full-RBF)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011783.html

[bitcoin-dev] New lower policy limits for unconfirmed transaction chains or packages
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011722.html

[bitcoin-dev] further test results for : \"Datastream Compression of Blocks and Tx's\"   
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011828.html   
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011837.html

[bitcoin-dev] Blockchain verification flag (BIP draft)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-December/011853.html

[bitcoin-dev] Capacity increases for the Bitcoin system (segregated witness)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-December/011865.html

Is Core's new libsecp256k1 safe & without mathematical backdoors?
https://bitcointalk.org/index.php?topic=937058.msg10278072#msg[masked]

[bitcoin-dev] [BIP] OP_CHECKPRIVPUBPAIR
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-November/011827.html

Weekly Mining Stats
http://organofcorti.blogspot.com/

Bitcoin block propagation with IBLT
http://popeller.io/index.php/2015/10/09/bitcoin-block-propagation-with-iblt-infographic/?utm_source=bitcoinweekly&utm_medium=email

sigops attack
https://www.reddit.com/r/Bitcoin/comments/3ur5ma/stuck_transactions/cxh9o4x

P2Pool Update
https://github.com/p2pool/p2pool/commit/86bbdac7eaaa03438e71ee9dcb11898c7b2b8bdf

BTCC launches priority blockchain transactions for its customers
http://www.ibtimes.co.uk/bitcoin-giant-btcc-launches-priority-blockchain-transactions-its-customers-1529730

A Fast and Scalable Payment Network with Bitcoin Duplex Micropayment Channels
https://soundcloud.com/epicenterbitcoin/eb-106
http://www.tik.ee.ethz.ch/file/716b955c130e6c703fac336ea17b1670/duplex-micropayment-channels.pdf

Tampering with the Delivery of Blocks and Transactions in Bitcoin
https://eprint.iacr.org/2015/578.pdf

Amplifying Side Channels Through Performance Degradation
https://eprint.iacr.org/2015/1141.pdf

[Lightning-dev] Better privacy with SNARKs
https://lists.linuxfoundation.org/pipermail/lightning-dev/2015-December/000365.html

Ring Signature Confidential Transactions for Monero
http://eprint.iacr.org/2015/1098/20151111:093636

Early alpha: monero-like linkable ring signatures in Ethereum
https://github.com/ethereum/serpent/blob/develop/examples/ecc/ringsig.se

Ledger Journal Call for Papers (Deadline Dec 31st)
http://ledgerjournal.org/ojs/index.php/ledger/announcement/view/4


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Food and drink sponsored by our friends at Blockchain Tech Corp. If you can't make it to the main event please join us at Live Bait around 9:30PM.

Presentations:

Scaling Bitcoin II: A Review 

• Mike Wozniak: Block sizes (talk by Jeff Garzik)

• Peter Todd: Segregated Witness (talk by Peter Wiulle)

Bob McElrath: Lightning Network (talks by Tadge Dryja and Joseph Poon)

Discussion Topics: TBA

Github
https://github.com/bitcoin/bitcoin/pull/7273
https://github.com/bitcoin/bitcoin/pull/4906 (merged)
https://github.com/bitcoin/bitcoin/pull/7125 (merged)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-July/006327.html
https://github.com/bitcoin/bitcoin/pull/6980 (merged)
https://github.com/bitcoin/bitcoin/pull/7062 (merged)
https://github.com/bitcoin/bitcoin/pull/7217 (merged)

BIPs
https://github.com/bitcoin/bips/blob/master/bip-0125.mediawiki
https://github.com/bitcoin/bips/blob/68ac3c777c484db4fe668a6190fd5fce33d9df94/bip-0141.mediawiki
https://github.com/bitcoin/bips/blob/68ac3c777c484db4fe668a6190fd5fce33d9df94/bip-0142.mediawiki
https://github.com/bitcoin/bips/blob/68ac3c777c484db4fe668a6190fd5fce33d9df94/bip-0143.mediawiki
https://github.com/bitcoin/bips/blob/68ac3c777c484db4fe668a6190fd5fce33d9df94/bip-0144.mediawiki

Capacity Increase for Bitcoin Core
https://bitcoin.org/en/bitcoin-core/capacity-increases

Statement from Bitcoin Core[masked]
https://bitcoin.org/en/bitcoin-core/2016-01-07-statement

[bitcoin-dev] On the security of softforks
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-December/012014.html

[bitcoin-dev] New BIP Editor
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-January/012197.html

[bitcoin-dev] SegWit testnet is live
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-January/012195.html

[bitcoin-dev] Confidential Transactions as a soft fork
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-January/012194.html

[bitcoin-dev] We need to fix the block withholding attack
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-December/012046.html

Mining Stats
http://organofcorti.blogspot.com

Miner news
https://www.reddit.com/r/Bitcoin/comments/3w82qx/after_two_huge_increases_1044_and_877_difficulty/cxur9p2
https://news.ycombinator.com/item?id=10774773
https://bitcoinwisdom.com/bitcoin/difficulty

Relay Network needs a new maintainer
https://bitcointalk.org/index.php?topic=766190.msg13510513#msg[masked]

Lightning Network as a reinvention of the Ripple Distributed Protocol
https://www.reddit.com/r/Bitcoin/comments/3xybg3/lightning_will_be_like_the_original_idea_of_ripple/cy9x97y

Scaling Bitcoin: Hong Kong Recap
https://medium.com/@lopp/scaling-bitcoin-hong-kong-recap-9a28f5a57f43#.kd9t37wti

Sorting our Replace by Fee
http://popeller.io/index.php/2015/12/21/sorting-out-replace-by-fee/

RFC: Tool for tracking and visualizing Bitcoin address reuse
http://www.kristovatlas.com/rfc-tool-for-tracking-and-visualizing-bitcoin-address-reuse/

Bitcoin: Mixed Signs of A Fee Market
http://rusty.ozlabs.org/?p=564

Bitcoin And Stuck Transactions?
http://rusty.ozlabs.org/?p=573

The Hashing Heart Attack
http://www.truthcoin.info/blog/mining-heart-attack/

Drivechain - The Simple Two Way Peg
http://www.truthcoin.info/blog/drivechain/

Extracting the Private Key from a TREZOR
https://jochen-hoenicke.de/trezor-power-analysis/

On the dangers of a blockchain monoculture
https://tonyarcieri.com/on-the-dangers-of-a-blockchain-monoculture

Lightning Network Onion Routing: Sphinx+HORNET
http://pastebin.com/vLUiW168

What did bitcoin movements look like in 2015
http://www.ofnumbers.com/2016/01/10/what-did-bitcoin-movements-look-like-in-2015/

", - "visibility": "public" - }, - { - "created": 1453832911000, - "duration": 7200000, - "id": "228376890", - "name": "On Forks and Consensus: A Debate", - "rsvp_limit": 80, - "date_in_series_pattern": false, - "status": "past", - "time": 1454025600000, - "local_date": "2016-01-28", - "local_time": "19:00", - "updated": 1454075488000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 46, - "venue": { - "id": 24094202, - "name": "SolidX", - "lat": 40.75352096557617, - "lon": -73.97663116455078, - "repinned": false, - "address_1": "200 Park Ave", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/228376890/", - "description": "

Security question required (RSVP to answer)!

The levels of controversy in the Bitcoin ecosystem have reached new heights. At the center of the current schism rests the soft vs. hard fork debate and how it relates to governance structures and code development. This event will allow us to explore this topic.

The event will be structured to allow each side of the debate to express their opinions without talking past one another; discussion will begin with members stating the assumptions on which their logic rest. Once assumptions have been stated, members representing each side of the debate will be given the opportunity to question those assumptions.

While the hard vs soft fork debate is predominantly technical, it reaches beyond that into questions of ideological merit. Discussions of this nature will be allowed but will be moderated to avoid endless debate. Here is the main topic for discussion, listed below are subtopics. Feel free to suggest other topics in the comments section:

hard vs. soft forks -- when do they make sense?

• Uncontroversial vs Controversial forks (95% vs 75%)

• Soft segwit vs Hard 2MB bump for immediate release 

• Soft vs hard segwit

• Is democratic code development healthy for Bitcoin? / If Bitcoin is neither democracy or dictatorship, what is it? 

• Layer 2--is it the best method to scale Bitcoin? Is it inevitability?

 

", - "how_to_find_us": "Please get a badge at the security desk. Enter via escalators in Grand Central.", - "visibility": "public" - }, - { - "created": 1452197957000, - "duration": 7200000, - "id": "227921068", - "name": "Ethereum Socratic Meetup 1", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1454457600000, - "local_date": "2016-02-02", - "local_time": "19:00", - "rsvp_close_offset": "PT22H15M", - "updated": 1454514320000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 86, - "venue": { - "id": 24289508, - "name": "Microsoft Offices", - "lat": 40.75664520263672, - "lon": -73.98959350585938, - "repinned": false, - "address_1": "11 Times Square", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/227921068/", - "description": "

Security questions REQUIRED.

This event will follow the general format of our Socratic Meetups, with a focus on the development of the Ethereum protocol. During the first half of the event we will touch on wide variety of discussion topics listed below. The second half of the event will feature presentations listed below. If you can't make it to the main event please join us for a social hour at Bubba Gump. Food and drink at the event are sponsored by our friends at Consensys

Presentations:

• John - Deploying a Smart Contract on BlockApps

• Aakil - SafeMarket

Discussion topics:

PRs/Issues
Consensus changes necessary for the homestead release
https://github.com/ethereum/go-ethereum/pull/2116

RPC method to inspect the txpool queue
https://github.com/ethereum/go-ethereum/pull/2098

Garbage collector
https://github.com/ethereum/go-ethereum/pull/2111

EIPS
(Homestead)EIP 2: Hard-fork Changes
https://github.com/ethereum/EIPs/blob/master/EIPS/eip-2.mediawiki

(Homestead)EIP 7: DELEGATECALL
https://github.com/ethereum/EIPs/blob/master/EIPS/eip-7.md

(Serenity) EIP 103: Blockchain rent
https://github.com/ethereum/EIPs/issues/35

(Serenity) EIP 105: Binary sharding plus contract calling semantics
https://github.com/ethereum/EIPs/issues/53

Hashrate
https://etherscan.io/charts/hashrate
https://etherscan.io/stats/miner?range=7

Transparency
https://live.ether.camp/transactions

Privacy on the Blockchain
https://blog.ethereum.org/2016/01/15/privacy-on-the-blockchain/

Understanding Serenity, Part I: Abstraction
https://blog.ethereum.org/2015/12/24/understanding-serenity-part-i-abstraction/

Understanding Serenity, Part 2: Casper
https://blog.ethereum.org/2015/12/28/understanding-serenity-part-2-casper/

Andrew Miller: The Gas Model And Ethereum's Economics by Epicenter Bitcoin
https://soundcloud.com/epicenterbitcoin/eb-111

State Channels
http://www.jeffcoleman.ca/state-channels/

", - "how_to_find_us": "Room: Central Park East 6501a", - "visibility": "public" - }, - { - "created": 1452804288000, - "duration": 8100000, - "id": "228092897", - "name": "Socratic Meetup 53", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1455062400000, - "local_date": "2016-02-09", - "local_time": "19:00", - "updated": 1455116009000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 102, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/228092897/", - "description": "

Food and drink are sponsored by our friends at itBit. They're hiring a Blockchain Engineer! Please visit their Blockchain Engineer Referral Program page to make a referral.

Presentations:

• Daniel Ameli - JoinMarket

Discussion topics:

0.12.0rc1-3
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012356.html
https://github.com/bitcoin/bitcoin/blob/0.12/doc/release-notes.md
https://www.youtube.com/watch?v=RWeIEFBrItE

Github Issues/Pull Requests
(open)https://github.com/bitcoin/bitcoin/pull/7292
https://github.com/bitcoin/bitcoin/pull/7310
https://github.com/bitcoin/bitcoin/pull/7376
https://github.com/bitcoin/bitcoin/pull/7404
https://github.com/bitcoin/bitcoin/pull/7464(/open)
(merged)https://github.com/bitcoin/bitcoin/pull/7312
https://github.com/bitcoin/bitcoin/pull/7164
https://github.com/bitcoin/bitcoin/pull/7386
https://github.com/bitcoin/bitcoin/pull/7177
https://github.com/bitcoin/bitcoin/pull/7453
https://github.com/bitcoin/bitcoin/pull/7439
https://github.com/bitcoin/bitcoin/pull/7431(/merged)

IRC Meetings
https://www.reddit.com/r/Bitcoin/comments/41kfyg/bitcoin_dev_irc_meeting_in_laymans_terms_20160114/
https://www.reddit.com/r/Bitcoin/comments/42mg3t/bitcoin_dev_irc_meeting_in_laymans_terms_20160121/
https://www.reddit.com/r/Bitcoin/comments/43p44a/bitcoin_dev_irc_meeting_in_laymans_terms_20160128/

[bitcoin-dev] Libconsensus Phase 2
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-January/012235.html

[bitcoin-dev] BIP proposal: Increase block size limit to 2 megabytes
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012358.html
https://github.com/gavinandresen/bips/blob/bump2mb/bip-bump2mb.mediawiki
http://gavinandresen.ninja/a-guided-tour-of-the-2mb-fork
https://github.com/bitcoinclassic/bitcoinclassic/releases/tag/v0.11.2.cl1.b2

Pre-BIP Growth Soft-hardfork
https://github.com/luke-jr/bips/blob/bip-mmhf/bip-mmhf.mediawiki

[bitcoin-dev] Hardfork bit BIP
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012342.html
https://github.com/jl2012/bips/blob/47690bae2a0a9ff317a6f592e3696ae5084900e6/hardforkbit.mediawiki

A Market For Bitcoin Transaction Fees?
http://hashingit.com/analysis/47-bitcoin-tx-fees

[bitcoin-dev] Segregated Witness App Development
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-January/012253.html

SegWit Testnet Explorer
https://segnet.smartbit.com.au/

Weak Blocks – The Good And The Bad
http://popeller.io/index.php/2016/01/19/weak-blocks-the-good-and-the-bad/

Transaction Cut-Through
https://bitcointalk.org/index.php?topic=281848.0

[curves] Confidential Transactions and \"Borromean\" ring signatures-- ZK proof applications of ECC
https://moderncrypto.org/mail-archive/curves/2015/000534.html

A detailed description of how Bitcoin Elements Alpha Confidential Transactions works
https://github.com/AdamISZ/ConfidentialTransactionsDoc

Increasing Anonymity in Bitcoin (OWAS)
https://bitcointalk.org/index.php?topic=290971.0

Great Repository of Research Papers
http://diyhpl.us/~bryan/papers2/bitcoin/?C=M;O=D

Financial Cryptography 2016 (more good papers)
http://fc16.ifca.ai/

Monero Fork
https://forum.getmonero.org/1/news-announcements-and-editorials/2452/monero-network-malicious-fork-from-block-913193-updates-and-resolution

[Lightning-dev] Lightning C prototype v0.2: \"Butterfly Labs' Timely Delivery\"
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-January/000406.html

Lightning Network Repos
https://github.com/LightningNetwork/lnd
https://github.com/LightningNetwork/lightning-onion
https://github.com/ElementsProject/lightning   
https://github.com/matsjj/thundernetwork

[Lightning-dev] Laundry list of inter-peer wire protocol changes
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-January/000408.html

[Lightning-dev] \"2-of-3 Multisig Contract\" Equivalent on Lightning
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-January/000403.html

Harmony and Discord
https://bitcointalk.org/dec/p1.html

", - "visibility": "public" - }, - { - "created": 1455038997000, - "id": "228728729", - "name": "Whitepaper Wednesday: Elliptic Curve Cryptography", - "rsvp_limit": 87, - "date_in_series_pattern": false, - "status": "past", - "time": 1456963200000, - "local_date": "2016-03-02", - "local_time": "19:00", - "updated": 1456975385000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 85, - "venue": { - "id": 24094202, - "name": "SolidX", - "lat": 40.75352096557617, - "lon": -73.97663116455078, - "repinned": false, - "address_1": "200 Park Ave", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/228728729/", - "description": "

Elliptic curve cryptography is the engine behind all crypto-currencies including Bitcoin and Ethereum, using the secp256k1 curve.  Sean Spillane will lead a discussion of elliptic curves and their use in crypto-currencies.  There is a tremendous amount of material available on this topic, including a lot of youtube video presentations.  Please read at least one of the references below and come prepared to participate in the discussion. If there are sub-topics you want to dive into, please comment on this event on meetup.com and suggest other literature.

https://en.wikipedia.org/wiki/Elliptic_curve_cryptography

http://arstechnica.com/security/2013/10/a-relatively-easy-to-understand-primer-on-elliptic-curve-cryptography/

https://en.wikipedia.org/wiki/Elliptic_Curve_Digital_Signature_Algorithm

https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki

http://cs.ucsb.edu/~koc/cren/docs/w03/09-ecc.pdf

https://en.wikibooks.org/wiki/Cryptography/Elliptic_curve

https://www.youtube.com/watch?v=XmygBPb7DPM

", - "how_to_find_us": "Get a visitor pass from the security, head to the 17th floor, and follow the signs", - "visibility": "public" - }, - { - "created": 1455584658000, - "duration": 8100000, - "id": "228882059", - "name": "Socratic Meetup 54", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1457481600000, - "local_date": "2016-03-08", - "local_time": "19:00", - "updated": 1457543960000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 118, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/228882059/", - "description": "

Food and drink are sponsored by our friends at itBit. They are hiring Blockchain Engineers for their Bankchain project team and are also offering a referral bonus! Please visit itBit's Blockchain Engineer Referral Program page to learn more and make a referral.

Presentations:

• Ryan Shea - Blockstack DNS cli

Discussion topics:

Bitcoin Core[masked] Released
https://bitcoincore.org/en/2016/02/23/release-0.12.0/

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/7533
https://github.com/bitcoin/bitcoin/pull/7534
https://github.com/bitcoin/bitcoin/pull/7542
https://github.com/bitcoin/bitcoin/pull/7551
https://github.com/bitcoin/bitcoin/pull/7552
https://github.com/bitcoin/bitcoin/pull/7558
https://github.com/bitcoin/bitcoin/pull/7568
https://github.com/bitcoin/bitcoin/pull/7600
https://github.com/bitcoin/bitcoin/pull/7601
https://github.com/bitcoin/bitcoin/pull/7507
https://github.com/bitcoin/bitcoin/pull/7544
https://github.com/bitcoin/bitcoin/pull/7561
https://github.com/bitcoin/bitcoin/pull/7543
https://github.com/bitcoin/bitcoin/pull/7524

Weekly IRC Meetings
https://bitcoincore.org/en/meetings/2016/02/11/
https://bitcoincore.org/en/meetings/2016/02/18/
https://bitcoincore.org/en/meetings/2016/02/25/

Blocksonly mode BW savings, the limits of efficient block xfer, and better relay
https://bitcointalk.org/index.php?topic=1377345.0

The first successful Zero-Knowledge Contingent Payment
https://bitcoincore.org/en/2016/02/26/zero-knowledge-contingent-payments-announcement/

[bitcoin-dev] Hardfork to fix difficulty drop algorithm
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-March/012489.html

[bitcoin-dev] SIGHASH_NOINPUT in Segregated Witness

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012460.html

[bitcoin-dev] Fast bootstrapping with a pre-generated UTXO-set database
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012478.html

Empty Blocks
https://imgur.com/a/MwEUX

Orphan Risk at 75% Hard Fork
https://www.reddit.com/r/Bitcoin/comments/450llw/forking_at_75_miner_support_has_large_orphan_risk/

Early detection of unintentional block withholding |
http://organofcorti.blogspot.com/2016/02/detecting-unintentional-block.html

Bitcoin Fees vs Supply and Demand
http://www.erisian.com.au/wordpress/2016/02/18/bitcoin-fees-vs-supply-and-demand

More on transaction fees and block size
http://organofcorti.blogspot.com/2016/03/more-on-transaction-fees-and-block-size.html

Mining Stats
http://organofcorti.blogspot.com/2016/03/february-28th-2016-block-maker.html

BIP16vs17
https://www.reddit.com/r/Bitcoin/comments/34mrtj/eli5_why_is_peter_todd_important_and_why_do_some/cqxfkdh

Getting Started with the Alpha Sidechain
https://test.elementsproject.org/sidechains/alpha/getting-started.html
https://test.elementsproject.org/elements/

21 Micropayment Channels Client Library
https://21.co/learn/21-lib-channels/#the-21-payment-channels-client-library
https://medium.com/@21/true-micropayments-with-bitcoin-e64fec23ffd8#.5g6zu5njx

A scala implementation of the Lightning Network
https://github.com/ACINQ/eclair

A highly performant merkle set data structure
https://github.com/bramcohen/MerkleSet

Track Mempool Clearing Process
https://www.kaiko.com/blockchain

Lightning Network Simulation
https://www.youtube.com/watch?v=RNFt9-lKWyo

ABCore - Android Bitcoin Core
https://github.com/greenaddress/abcore

Speed Optimizations in Bitcoin Key Recovery Attacks
https://eprint.iacr.org/2016/103.pdf

On Bitcoin Security in the Presence of Broken Crypto Primitives
https://eprint.iacr.org/2016/167.pdf

Bitcoin Vaults
http://fc16.ifca.ai/bitcoin/papers/MES16.pdf

Princeton Bitcoin Textbook
https://freedom-to-tinker.com/blog/randomwalker/the-princeton-bitcoin-textbook-is-now-freely-available/

On Scaling Decentralized Blockchains
http://fc16.ifca.ai/bitcoin/papers/CDE+16.pdf

ECDSA Key Extraction from Mobile Devices via Nonintrusive Physical Side Channels
https://eprint.iacr.org/2016/230.pdf

Approximate Bitcoin Mining
http://rakeshk.crhc.illinois.edu/dac_16_cam.pdf

Incentive Compatibility of Bitcoin Mining Pool Reward Functions
http://www.jbonneau.com/doc/SBBR16-FC-mining_pool_reward_incentive_compatibility.pdf

", - "visibility": "public" - }, - { - "created": 1456426859000, - "duration": 9900000, - "id": "229130058", - "name": "Ethereum Socratic Meetup 2", - "rsvp_limit": 200, - "date_in_series_pattern": false, - "status": "past", - "time": 1458684900000, - "local_date": "2016-03-22", - "local_time": "18:15", - "rsvp_close_offset": "PT31H15M", - "updated": 1458711938000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 180, - "venue": { - "id": 24441065, - "name": "Microsoft Technology Center", - "lat": 40.76946258544922, - "lon": -73.98094177246094, - "repinned": false, - "address_1": "11 Times Square (Room: Central Park West 6501)", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/229130058/", - "description": "

This is the second event in our Ethereum Socratic event series. Doors will open for networking and food at 6:15PM. The main event will start promptly at 7PM. The security desk closes at 7:30PM, Microsoft may not allow entry after that time. If your full name is not included in your meetup profile please make sure to answer the security questions during the RSVP process. If you can't make it to the main event please join us at Beer Authority (entrance on 8th Avenue between 41st and 42nd Streets) around 9:15PM.

Food and drink are sponsored by our friends at R3CEV. They're hiring! Thanks to Consensys and Microsoft for helping us organize and host the event.

Presentations:

• Christian Lundkvist - IPFS

• Jesse Grushack - Ujo Music

Discussion topics:

Homestead Release

https://blog.ethereum.org/2016/02/29/homestead-release/

https://github.com/ethereum/go-ethereum/releases/tag/v1.3.5

https://github.com/ethereum/ethereumj/releases/tag/1.2.0-homestead-RC

https://github.com/ethereum/pyethereum/releases/tag/v1.1.0

https://github.com/ethereum/webthree-umbrella/releases/tag/v1.2.2

https://github.com/ethereum/mist/releases/tag/0.5.0


Homestead Documentation

https://ethereum-homestead.readthedocs.org/en/latest/

Developer Diaries

https://github.com/ethereum/diary/tree/master/entries

Github Issues/PRs

</a>

<a href=\"https://github.com/ethereum/go-ethereum/pull/2258\">https://github.com/ethereum/go-ethereum/pull/2258

https://github.com/ethereum/go-ethereum/pull/2301

https://github.com/ethereum/go-ethereum/pulls?q=is%3Aopen+is%3Apr+milestone%3A1.4.0

https://github.com/ethereum/go-ethereum/pulls?q=is%3Apr+milestone%3A1.4.0+is%3Aclosed

https://github.com/ethereum/go-ethereum/pulls?q=is%3Aopen+is%3Apr+milestone%3A1.5.0

EIPS

https://github.com/ethereum/EIPs/issues/67

https://github.com/ethereum/EIPs/issues/74

https://github.com/ethereum/EIPs/issues/75

Solidity 0.3.0

https://github.com/ethereum/solidity/releases/tag/v0.3.0

Parity

https://github.com/ethcore/parity


Mining Stats

https://etherchain.org/statistics/miners

Serenity PoC2

https://blog.ethereum.org/2016/03/05/serenity-poc2/

Etherscape

http://etherscrape.com/about

Hacking on BTC Relay

http://martin.swende.se/blog/BTCRelay-Auditing.html

<a href=\"http://martin.swende.se/blog/BTCRelay-Auditing.html\"></a>

Ongoing Discussion Topics:

• Privacy

• Scale

• Casper/PoS

", - "how_to_find_us": "All registered guests must check in at the Microsoft Welcome Center (entrance on 8th Avenue between 41st and 42nd Streets) on the day of the event with a government issued photo ID to receive an elevator pass.", - "visibility": "public" - }, - { - "created": 1458317363000, - "duration": 7200000, - "id": "229692528", - "name": "BitDevs Debate Series #2: On Decentralization", - "rsvp_limit": 140, - "date_in_series_pattern": false, - "status": "past", - "time": 1459897200000, - "local_date": "2016-04-05", - "local_time": "19:00", - "updated": 1459946700000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 128, - "venue": { - "id": 24435768, - "name": "Rise NY", - "lat": 40.74261474609375, - "lon": -73.99108123779297, - "repinned": false, - "address_1": "43 West 23rd St, 2nd Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/229692528/", - "description": "

This is the second event in our Debate Series. This event will focus on the topic of decentralization in the context of Bitcoin. If you can't make it to the main event please join us at Live Bait around 9:15PM for a social hour.
As the block size debate rages on, a common question that arises is: what function does decentralization serve in Bitcoin's security model? Said differently: how much decentralization does Bitcoin need to be secure?

To answer this question we must first explore the metrics which define decentralization. Once a general framework for decentralization has been outlined/agreed upon, we can explore varying opinions on threat models for the Bitcoin network. For example: some believe that if Bitcoin nodes were exclusively run in data centers that would provide sufficient security/privacy/autonomy for network participants, while others believe that resource requirements for running a full node should be kept accessible so network participants can run their own nodes and validate incoming block and transaction data without having to trust a third party.

Related questions we will discuss:

• Is node count a good metric of decentralization?

• How accessible should running a node be?

• Why is running a node important (or not)?

• Do you think block size should be purely a denial-of-service prevention measure? (link)

• Do you think they serve an economic purpose (e.g. to \"create a transaction fee market\")?

• What is the state of the mining network in the context of decentralization? 

Please read the following articles to prepare yourself for discussion (and feel free to submit other articles and questions you feel are relevant to bitdevsnyc (at) gmail (dot) com):

• http://truthcoin.info/blog/measuring-decentralization

• http://bluematt.bitcoin.ninja/2016/01/14/decentralization/

• http://wallstreettechnologist.com/2016/02/05/the-decentralization-myth/

• http://organofcorti.blogspot.de/2014/12/measures-of-network-hashrate.html

• http://www.initc3.org/scalingblockchain/full.pdf


Message from our sponsors: Rise New York is part of a global community of the world’s brightest thinkers and doers creating the future of financial technology. We listen, nurture and oxygenate through our international network of Rise spaces, and connect, co-create, and scale innovation, in partnership with Barclays. Rise New York also houses a world-class event space and is home to the U.S. cohort of the Barclays Accelerator, powered by Techstars.

", - "visibility": "public" - }, - { - "created": 1459534674000, - "id": "230051095", - "name": "Whitepaper: Zerocash and Zcash", - "rsvp_limit": 110, - "date_in_series_pattern": false, - "status": "past", - "time": 1460152800000, - "local_date": "2016-04-08", - "local_time": "18:00", - "updated": 1460168759000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 91, - "venue": { - "id": 24435768, - "name": "Rise NY", - "lat": 40.74261474609375, - "lon": -73.99108123779297, - "repinned": false, - "address_1": "43 West 23rd St, 2nd Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/230051095/", - "description": "

We have special guests for this event, Zooko Wilcox of http://z.cash .

For a brief introduction to Zerocash, see: http://zerocash-project.org/how_zerocash_works . The reading for this meeting is their protocol paper, http://zerocash-project.org/paper . There is a shorter conference version at 16 pages, and an extended paper too. Please read this paper and come prepared to ask questions!

We expect this event to be popular, but if you can't commit to reading the paper, please consider coming to the following Socratic meetup instead, at which we will present a brief recap of this Whitepaper event.

Special thanks to Rise New York for sponsoring the location! thinkrise.com

", - "visibility": "public" - }, - { - "created": 1458318584000, - "duration": 8100000, - "id": "229692897", - "name": "Socratic Meetup 55", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1460502000000, - "local_date": "2016-04-12", - "local_time": "19:00", - "updated": 1460593054000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 107, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/229692897/", - "description": "

Presentations:

Bob McElrath - Zcash Whitepaper Recap

Discussion Topics:

0.12.1rc2

https://github.com/bitcoin/bitcoin/tree/v0.12.1rc2

https://github.com/bitcoin/bitcoin/blob/0.12/doc/release-notes.md 

https://github.com/bitcoin/bitcoin/pull/7716

Core Issues/Pull Requests

https://github.com/bitcoin/bitcoin/pull/7689

https://github.com/bitcoin/bitcoin/pull/7688/commits/c3932b32700a210b5fbf36e32bddac604dec9288

https://github.com/bitcoin/bitcoin/commit/2b3947caa483b6f00624ada29baba6564adda8c6

https://github.com/bitcoin/bitcoin/pull/7685

https://github.com/bitcoin/bitcoin/pull/7730

https://github.com/bitcoin/bitcoin/pull/7823

https://github.com/bitcoin/bitcoin/pull/7783

https://github.com/bitcoin/bitcoin/pull/7759

https://github.com/bitcoin/bitcoin/pull/7753

https://github.com/bitcoin/bitcoin/pull/7856

https://github.com/bitcoin/bitcoin/pull/7840

https://github.com/bitcoin/bitcoin/pull/7819

https://github.com/bitcoin/bitcoin/pull/7817

https://github.com/bitcoin/bitcoin/pull/7824

https://github.com/bitcoin/bitcoin/pull/7857s

Classic Issues/Pull Requests

https://github.com/bitcoinclassic/bitcoinclassic/commit/2d5597806250cc1ff1f1525e34fba32a11e02d97

https://github.com/bitcoinclassic/bitcoinclassic/pull/152

https://github.com/bitcoinclassic/bitcoinclassic/pull/147

0.13.0 Release Schedule

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-March/012562.html

https://github.com/bitcoin/bitcoin/issues/7678

IRC Meetings Notes

https://bitcoincore.org/en/meetings/2016/03/10/

https://bitcoincore.org/en/meetings/2016/03/17/

https://bitcoincore.org/en/meetings/2016/03/24/

https://bitcoincore.org/en/meetings/2016/03/31/

https://bitcoincore.org/en/meetings/2016/04/07/

Segwit 4

https://github.com/sipa/bitcoin/tree/segwit4

BIP MAST

https://github.com/bitcoin/bips/pull/368

BIP 142: Deferred

https://github.com/techguy613/bips/commit/159cc9bd0eb1bdf97facac7f839069c81a4cc301

BIP 75: Out of Band Address Exchange using Payment Protocol Encryption

https://github.com/techguy613/bips/blob/master/bip-0075.mediawiki

BIP 9, 141, and 145: GBT updates for VB & SW

https://github.com/bitcoin/bips/pull/365

Per message peer authentication & peer-to-peer communication encryption

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-April/012599.html

Funding

https://bitcoincore.org/en/2016/04/04/announcing_sponsorship_programme/

https://petertodd.org/2016/btcc-funding

https://groups.google.com/d/msg/bitcoinj/tD42ynDObzE/RI1P2K1xBAAJ

https://medium.com/mit-media-lab-digital-currency-initiative/announcing-a-900-000-bitcoin-developer-fund-6e8b7e8b0861#.70oby9u4f

CABRA - Comprehensive Academic Bitcoin Research Archive

https://cdecker.github.io/btcresearch/

ECDLP can be solved in 24-th root time 

https://ellipticnews.wordpress.com/2016/03/31/ecdlp-can-be-solved-in-24-th-root-time/

On Scaling Decentralized Blockchains 

http://www.initc3.org/scalingblockchain/full.pdf

More Signatures with Repeated Nonces

https://bitcointalk.org/index.php?topic=1431060.0

Pywallet on SourceFourge Stealing Coina

https://www.reddit.com/r/Bitcoin/comments/4e2bqy/warning_i_discovered_this_morning_that_the/

Bitcoin Generic Address Format Proposal

http://rusty.ozlabs.org/?p=578

Private Blockchains, Demystified

http://www.truthcoin.info/blog/private-blockchains/

", - "visibility": "public" - }, - { - "created": 1461796945000, - "duration": 8100000, - "id": "230699732", - "name": "Socratic Meetup 56", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1462316400000, - "local_date": "2016-05-03", - "local_time": "19:00", - "updated": 1462326215000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 87, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/230699732/", - "description": "

Food and drink are sponsored by our friends at Blockstack and Coindesk. Coindesk is hosting a hackathon this weekend. More info is attached, but it's free to apply, and there are a bunch of really nice sponsor prizes, including $5k in prize money, free tickets to CoinDesk's Consensus conference, and other in-kind goodies from the sponsors -- not to mention face time with some impressive judges and mentors.

Presentation:

0.12.1 Released
https://bitcoincore.org/en/releases/0.12.1/

New Repository Maintainer Appointed
https://bitcoincore.org/en/blog/2016/04/14/maintainer/

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/7830
https://github.com/bitcoin/bitcoin/pull/7871
https://github.com/bitcoin/bitcoin/pull/7891
https://github.com/bitcoin/bitcoin/pull/7955
https://github.com/bitcoin/bitcoin/pull/7957
https://github.com/bitcoin/bitcoin/pull/7967
https://github.com/bitcoin/bitcoin/pull/7984
https://github.com/bitcoin/bitcoin/pull/7910
https://github.com/bitcoin/bitcoin/pull/7917
https://github.com/bitcoin/bitcoin/pull/7934
https://github.com/bitcoin/bitcoin/pull/7935
https://github.com/bitcoin/bitcoin/pull/7948
https://github.com/bitcoin/bitcoin/pull/7953
https://github.com/bitcoin/bitcoin/pull/6215 (merged)
https://github.com/bitcoin/bitcoin/pull/7856 (merged)

Core Dev Meeting Notes
https://bitcoincore.org/en/meetings/2016/04/14/
https://bitcoincore.org/en/meetings/2016/04/21/
https://bitcoincore.org/en/meetings/2016/04/28/#segwit-review-and-status-update-of-the-bips

[bitcoin-dev] Compact Block Relay BIP
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012624.html

[bitcoin-dev] Recent editing for the consensus BIPs of segregated witness (141 and 143)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-April/012616.html

[bitcoin-dev] BIP144: use of 1<<3 service bit
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-April/012620.html

[bitcoin-dev] BIP draft: Scripting System in Merkelized Abstract Syntax Tree
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-April/012619.html

Weekly Mining Stats
http://organofcorti.blogspot.com/2016/05/may-1st-2016-block-maker-statistics.html

[Lightning-dev] Laundry list of inter-peer wire protocol changes
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-April/000516.html

[Lightning-dev] Oversize preimage attack.
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-May/000529.html

Rearchitecting For Segregated Witness
https://medium.com/@rusty_lightning/rearchitecting-for-segregated-witness-d67a54740e82#.2kh5zcwjj

Segregated Witness Hints For Developers
https://medium.com/@rusty_lightning/segregated-witness-for-developers-8fa9042f43ed#.wnsbttu1k

The Power of Schnorr: The Signature Algorithm to Increase Bitcoin's Scale and Privacy
https://bitcoinmagazine.com/articles/the-power-of-schnorr-the-signature-algorithm-to-increase-bitcoin-s-scale-and-privacy-1460642496

Uncle Mining, an Ethereum Consensus Protocol Flaw
https://bitslog.wordpress.com/2016/04/28/uncle-mining-an-ethereum-consensus-protocol-flaw/

BTC Relay
https://consensys.net/static/BTCrelay.pdf

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Pizza and beer are provided for this evening.


If you cannot make it to the main event please join us at Live Bait around 9:00/9:15PM.

Discussion topics:

BIP 68/112/113 Signaling

[]

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/8035
https://github.com/bitcoin/bitcoin/pull/8058
https://github.com/bitcoin/bitcoin/pull/8065
https://github.com/bitcoin/bitcoin/pull/8068
https://github.com/bitcoin/bitcoin/pull/8078
https://github.com/bitcoin/bitcoin/pull/8083
https://github.com/bitcoin/bitcoin/pull/8113
https://github.com/bitcoin/bitcoin/pull/8149
https://github.com/bitcoin/bitcoin/pull/7934 (merged)
https://github.com/bitcoin/bitcoin/pull/8054 (merged)
https://github.com/bitcoin/bitcoin/pull/7917 (merged)
https://github.com/bitcoin/bitcoin/pull/8049 (merged)
https://github.com/bitcoin/bitcoin/pull/7891 (merged)
https://github.com/bitcoin/bitcoin/pull/8080 (merged)
https://github.com/bitcoin/bitcoin/pull/7689 (merged)
https://github.com/bitcoin/bitcoin/pull/7840 (merged)
https://github.com/bitcoin/bitcoin/pull/7953 (merged)
https://github.com/bitcoin/bitcoin/pull/7974 (merged)
https://github.com/bitcoin/bitcoin/issues/8037
https://github.com/bitcoin/bitcoin/issues/8060
https://github.com/bitcoin/bitcoin/issues/8079
https://github.com/bitcoin/bitcoin/issues/8124

Weekly Meetings
https://bitcoincore.org/en/meetings/2016/05/05/
https://bitcoincore.org/en/meetings/2016/05/12/
https://bitcoincore.org/en/meetings/2016/05/19/
https://bitcoincore.org/en/meetings/2016/05/20/
https://bitcoincore.org/en/meetings/2016/05/26/
https://bitcoincore.org/en/meetings/2016/06/02/

BIP 151: Peer-to-Peer Communication Encryption
https://github.com/bitcoin/bips/blob/master/bip-0151.mediawiki

BIP 152: Compact Block Relay
https://github.com/bitcoin/bips/blob/master/bip-0152.mediawiki
https://bitcoincore.org/en/2016/06/07/compact-blocks-faq

On MAST (BIP 114)
http://coinjournal.net/new-bip-enable-better-privacy-crossblockchain-exchange-trustfree-betting-bitcoin/

Nodes are being DoS attacked w/ fake SPV clients
https://www.reddit.com/r/Bitcoin/comments/4kbm4r/nodes_are_being_dos_attacked_w_fake_spv_clients/

[bitcoin-dev] Making AsicBoost irrelevant
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012652.html

[bitcoin-dev] Making UTXO Set Growth Irrelevant With Low-Latency Delayed TXO Commitments
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012715.html

[bitcoin-dev] RFC for BIP: Best Practices for Heterogeneous Input Script Transactions
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012724.html

[bitcoin-dev] Committed bloom filters for improved wallet performance and SPV security
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012636.html

Weekly Mining Stats
http://organofcorti.blogspot.com/
[]
[]
[]
https://www.reddit.com/r/Bitcoin/comments/4ke9ge/block_time_graphs_bitcoin_wiki/d3elm1n

BitcoinJ .14 Release Notes
https://bitcoinj.github.io/release-notes#version-014

Efficient Zero-Knowledge Contingent Payments in Cryptocurrencies Without Scripts
https://eprint.iacr.org/2016/451.pdf

ZeroBlock: Preventing Sel sh Mining in Bitcoin
https://arxiv.org/pdf/1605.02435.pdf

Hijacking Bitcoin: Large-scale Network Attacks on Cryptocurrencies
https://arxiv.org/pdf/1605.07524v1.pdf

ECDSA Security in Bitcoin and Ethereum: a Research Survey
http://blog.coinfabrik.com/wp-content/uploads/2016/05/ECDSA-Security-in-Bitcoin-and-Ethereum-a-Research-Survey.pdf

TumbleBit: An Untrusted Tumbler for Bitcoin-Compatible Anonymous Payments
https://eprint.iacr.org/2016/575.pdf

Coinshuffle++
https://bitcointalk.org/index.php?topic=1497271

CoinShuffle in java: Practical Decentralized Coin Mixing for Bitcoin
https://github.com/DanielKrawisz/Shufflepuff

R function to download bitcoin blockchain data from various APIs
https://github.com/organofcorti/bitcoin-blockchain-data

Simple base32 format with strong error detection
https://github.com/sipa/ezbase32

Base implementation for a sidechain in Scala
https://github.com/SuredBits/bitcoin-s-sidechains

Duplex Micropayment Channels
https://www.youtube.com/watch?v=s-De7N3ctI4

Drivechain OP Code
http://www.truthcoin.info/blog/drivechain-op-code/

Lightning News
Announcing the Thunder Network Alpha Release
https://blog.blockchain.com/2016/05/16/announcing-the-thunder-network-alpha-release/

Designing Addresses in Thunder
https://github.com/blockchain/thunder/issues/30

[Lightning-dev] Lightning C prototype v0.3: \"Nakamoto's Genesis Coins\"
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-May/000542.html

[Lightning-dev] Multi-party channels
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-May/000543.html
Lightning Inter-node Protocol: A Primer
https://medium.com/@rusty_lightning/lightning-inter-node-protocol-a-primer-c642816c8b8#.ggzg7yajv

Routing, Dijkstra, Bellman-Ford and BFG!
https://medium.com/@rusty_lightning/routing-dijkstra-bellman-ford-and-bfg-7715840f004#.6472uilli

Thaddeus Dryja showing the Lightning Network on Segnet
https://www.youtube.com/watch?v=ln0Wei4SGmg

Misc.
Building the Next Generation of Onion Services
https://blog.torproject.org/blog/mission-montreal-building-next-generation-onion-services

Comedy
http://pieterwuillefacts.com/

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If you cannot make it to the main event please join us at Live Bait around 9:15PM.

Discussion topics:

BIP 68/112/113 Activated via BIP 9

[]

https://bitcoincore.org/en/2016/06/08/version-bits-miners-faq/

https://bitcoincore.org/en/2016/06/21/csv-softfork-instructions/

https://www.reddit.com/r/Bitcoin/comments/4r9tiv/csv_soft_fork_has_activated_as_of_block_419328/d4zmz2h?context=3

https://www.reddit.com/r/Bitcoin/comments/4p4klg/bitcoin_core_project_the_csv_soft_fork_has/d4i7rwl

.13 Milestone

https://github.com/bitcoin/bitcoin/milestone/20

Issues/PRs

https://github.com/bitcoin/bitcoin/pull/8170

https://github.com/bitcoin/bitcoin/pull/8176

https://github.com/bitcoin/bitcoin/pull/8182

https://github.com/bitcoin/bitcoin/pull/8206

https://github.com/bitcoin/bitcoin/pull/8259

https://github.com/bitcoin/bitcoin/pull/8235

https://github.com/bitcoin/bitcoin/pull/8323

https://github.com/bitcoin/bitcoin/issues/8307

https://github.com/bitcoin/bitcoin/issues/8266

https://github.com/bitcoin/bitcoin/issues/8279

https://github.com/bitcoin/bitcoin/pull/8179 (merged)

https://github.com/bitcoin/bitcoin/pull/8068 (merged)

https://github.com/bitcoin/bitcoin/pull/7749 (merged)

https://github.com/bitcoin/bitcoin/pull/7600 (merged)

https://github.com/bitcoin/bitcoin/pull/8113 (merged)

https://github.com/bitcoin/bitcoin/pull/7957 (merged)

https://github.com/bitcoin/bitcoin/pull/8083 (merged)

Weekly Meetings

https://bitcoincore.org/en/meetings/2016/06/09/

https://bitcoincore.org/en/meetings/2016/06/16/

https://bitcoincore.org/en/meetings/2016/06/23/

https://bitcoincore.org/en/meetings/2016/06/30/

https://bitcoincore.org/en/meetings/2016/07/07/

Segwit

https://bitcoincore.org/en/2016/06/24/segwit-next-steps/

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-June/012747.html

https://petertodd.org/2016/segwit-consensus-critical-code-review

https://petertodd.org/2016/segwit-review-update

https://www.reddit.com/r/btc/comments/4r6p99/vitalik_how_i_would_fix_the_issues_that_segwit/d4ysvw9

BIP 70 Extension

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-June/012776.html

https://www.reddit.com/r/Bitcoin/comments/4rd3he/netki_raises_35m_seed_round_company_is_the/d505xsc

BIP 151 Discussion

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-June/012868.html

Weekly Mining Stats

https://organofcorti.blogspot.com/

https://twitter.com/sysmannet/status/750658030962876416

Compact Block Stats

https://imgur.com/xEPsKWY

Bitcoin FIBRE

http://bitcoinfibre.org/

http://bitcoinfibre.org/stats_ng.html

http://bluematt.bitcoin.ninja/2016/07/07/relay-networks/

https://www.reddit.com/r/Bitcoin/comments/4ryziw/why_would_increasing_the_bitcoin_block_size_lead/d55avuv

Flare: An Approach to Routing in Lightning Network

https://medium.com/@BitFuryGroup/the-bitfury-group-releases-white-paper-flare-an-approach-to-routing-in-lightning-network-8bc263dcdc92#.19cydc285

https://www.reddit.com/r/Bitcoin/comments/4roxim/bitfury_releases_proposal_for_bitcoin_lightning/d53653t

Hiding Money: CoinJoins

https://coinlab.com/blog/post/coinjoin/

JoinMarket's privacy is degraded until further notice

https://gist.github.com/chris-belcher/00255ecfe1bc4984fcf7c65e25aa8b4b

Minor update on transaction fees: users still don’t care.

http://rusty.ozlabs.org/?p=591

A developer-oriented series about Bitcoin

http://davidederosa.com/basic-blockchain-programming/

Transaction Queue Statistics

http://www.bitcoinqueue.com/live.html


Blockchain Visualization

https://gappleto97.github.io/visualizer/

What does the curve used in Bitcoin, secp256k1, look like?

https://bitcoin.stackexchange.com/questions/21907/what-does-the-curve-used-in-bitcoin-secp256k1-look-like/21911#21911

The mempool vs your mempool

https://np.reddit.com/r/Bitcoin/comments/4o9tb1/mempool_megathread/d4askrv?context=3

Secure Hardware and Open Source

https://medium.com/@Ledger/secure-hardware-and-open-source-ecd26579d839#.ynottvtze

On the Security and Performance of Proof of Work Blockchains

https://eprint.iacr.org/2016/555.pdf

Making Smart Contracts Smarter

https://eprint.iacr.org/2016/633.pdf

Extractable Witness Encryption and Timed-Release Encryption from Bitcoin

https://eprint.iacr.org/2015/482.pdf

Smart Signatures

http://www.weboftrust.info/downloads/smart-signatures.pdf

Nextblock_Weakblock

https://gist.github.com/jl2012/2db9e434ce7beb8e13354604305f6d77

Ethereum is the OP_EVAL of cryptocurrency

https://medium.com/@chjj/ethereum-is-the-op-eval-of-cryptocurrency-d6beaa17eb50#.flplzut7h

Antminers Hacked

http://www.theregister.co.uk/2016/07/12/aussie_writes_app_to_hijack_scores_of_pricey_antmine_bitcoin_miners/?mt=1468391891472

https://www.reddit.com/r/Bitcoin/comments/4sfm8b/antminer_bitcoin_boxen_can_be_hacked_says/d58xsys

Blockchain Graveyard

https://magoo.github.io/Blockchain-Graveyard/

", - "visibility": "public" - }, - { - "created": 1469656800000, - "duration": 7200000, - "id": "232929523", - "name": "Whitepaper Tuesday 5: Ethereum Isn't Turing Complete, and It Doesn't Matter", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1470177000000, - "local_date": "2016-08-02", - "local_time": "18:30", - "updated": 1470250919000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 100, - "venue": { - "id": 24441065, - "name": "Microsoft Technology Center", - "lat": 40.76946258544922, - "lon": -73.98094177246094, - "repinned": false, - "address_1": "11 Times Square (Room: Central Park West 6501)", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/232929523/", - "description": "

This event is cross-posted with IC3 NYC Blockchain Meetup

The paper is here: http://eprint.iacr.org/2015/675

The talk will start promptly at 7pm and we will not be able to handle late arrivals, sorry.  So please get there between 6:30pm and 7:00pm.

Professor Andrew Miller, IC3 Associate Director, Department of Computer Science, University of Illinois, Urbana Champaign will talk about  \"Hawk\" - the blockchain confidentiality protocol he pioneered, smart contract programming in general,  and relevance of the concept of Turing completeness, which is often misinterpreted.

Abstract: Turing completeness is a red herring. It's commonly misused as a catch-all buzzword to mean \"expressive\", or \"universal.\"

In computer science theory, Turing completeness is indeed universal for \"computable functions\", but cryptocurrencies are about much more than computable functions --- they require interaction and distributed communication, for example. Turing completeness doesn't say much about these settings.

In this talk, I'll explain exactly what Turing completeness means and doesn't mean. Spoiler: Ethereum isn't Turing complete anyway! 

People often think \"loops\" are necessary and sufficient to be universal. Actually, even a system without loops, like Hawk, based on \"circuit families\", can represent any computable function as well.

I'll also give examples of Turing-complete cryptocurrency designs that are useless.

Finally, I'll explain why the halting problem is not a good excuse to ignore formal methods for validating smart contracts.

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If you can't make it to the main event please join us at Live Bait on 23rd and Madison around 9-9:15PM

Please see event page archives for historical discussion topics. Previous event.

Discussion topics:

0.13.0rcs
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-July/012916.html

PRs/Issues
https://github.com/bitcoin/bitcoin/pull/8367
https://github.com/bitcoin/bitcoin/pull/8422
https://github.com/bitcoin/bitcoin/pull/8393
https://github.com/bitcoin/bitcoin/pull/8453
https://github.com/bitcoin/bitcoin/pull/7865
https://github.com/bitcoin/bitcoin/pull/8463
https://github.com/bitcoin/bitcoin/pull/8469
https://github.com/bitcoin/bitcoin/pull/8488
https://github.com/bitcoin/bitcoin/pull/8459
https://github.com/bitcoin/bitcoin/pull/8282
https://github.com/bitcoin/bitcoin/pull/7601

HTLC
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-July/012894.html

[bitcoin-dev] BIP proposal: derived mnemonics
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-July/012901.html

[bitcoin-dev] ScalingBitcoin 2016: Retarget - Call For Proposals Now Open
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-August/012919.html

[bitcoin-dev] Holdup on Block Alerts / Fraud Proofs ?
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-July/012912.html

[bitcoin-dev] BIP114 MAST updated
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-July/012914.html

[bitcoin-dev] Authentication BIP
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-August/012947.html

[bitcoin-dev] Hiding entire content of on-chain transactions
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-August/012948.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-August/012956.html

[bitcoin-dev] BIP Number Request: Addresses over Audio (fixed link)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-August/012958.html

MimbleWindow
https://download.wpsoftware.net/bitcoin/wizardry/mimblewimble.txt

Chat Transcripts
https://bitcoincore.org/en/meetings/

</a>

<a href=\"http://diyhpl.us/wiki/transcripts/2016-july-bitcoin-developers-miners-meeting/\">http://diyhpl.us/wiki/transcripts/2016-july-bitcoin-developers-miners-meeting/

Network Stats

https://btc.com/stats

OXT Requester (Graphs)
</a> <a href=\"https://oxt.me/\">https://oxt.me/

Efficient Zero-Knowledge Contingent Payments in Cryptocurrencies Without Scripts (Updated)
https://eprint.iacr.org/2016/451.pdf
https://www.reddit.com/r/Bitcoin/comments/4tgnhs/efficient_zeroknowledge_contingent_payments/d5he1cd

BitCluster
https://www.bit-cluster.com/

Securing Bitcoin-like Backbone Protocols against a Malicious Majority of Computing Power
https://eprint.iacr.org/2016/716.pdf

Bitcoin Core Troubleshooting FAQ and Tips
http://www.achow101.com/2016/07/Bitcoin-Core-Troubleshooting

Block Publication Incentives For Miners
https://petertodd.org/2016/block-publication-incentives-for-miners

Blockstream Announces Defensive Patent Strategy
https://blockstream.com/2016/07/19/blockstream-defensive-patent-strategy/

Progress On Hardfork Proposals Following The Segwit Blocksize Increase
https://petertodd.org/2016/hardforks-after-the-segwit-blocksize-increase

bcoin: Javascript bitcoin library for node.js and browsers
https://github.com/bcoin-org/bcoin

How have fungiblity problems affected you in Bitcoin?
https://www.reddit.com/r/Bitcoin/comments/4v28jl/how_have_fungiblity_problems_affected_you_in/

[Lightning-dev] [BOLT Draft] Onion Routing Spec]
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-July/000556.html

[Lightning-dev] Blinded channel observation
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-August/000565.html

Lightning Routing: Rough Background
https://medium.com/@rusty_lightning/lightning-routing-rough-background-dbac930abbad#.5k8fpnmlg

Bolt: Anonymous Payment Channels for Decentralized Currencies
https://eprint.iacr.org/2016/701.pdf/

The Power of Ten – Rules for Developing Safety Critical Code
http://spinroot.com/gerard/pdf/P10.pdf

Selfrando: Securing the Tor Browser against De-anonymization Exploits
https://www.ics.uci.edu/~perl/pets16_selfrando.pdf

The \"Majority Illusion\" in Social Networks
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0147617

The Book of Bitcoin
https://thebookofbitcoin.github.io/index.html

", - "visibility": "public" - }, - { - "created": 1471291481000, - "id": "233378037", - "name": "Debate Series #3: On Immutability and Hard Forks", - "rsvp_limit": 125, - "date_in_series_pattern": false, - "status": "past", - "time": 1471906800000, - "local_date": "2016-08-22", - "local_time": "19:00", - "updated": 1471969823000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 102, - "venue": { - "id": 24661133, - "name": "Rise NY - Private Events Entrance", - "lat": 40.74264144897461, - "lon": -73.99108123779297, - "repinned": false, - "address_1": "28 W 24th St", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/233378037/", - "description": "

This is the 3rd event in our debate series. This event will focus on the topic of immutability in the context of cryptocurrencies. What is it? Why is it (or is it not) important? How can we protect it?

Because the topic is itself controversial, we will use the event to follow up on our previous debates (#1, #2) on hard forks and decentralization. Now that we have some preliminary data to analyze (ETH/ETC netsplit), attendees will be given the opportunity to voice their opinion on the success or failure of the split in the greater context of immutable blockchains.

Feel free to post articles in the discussion section that you want attendees to read before the event.

", - "visibility": "public" - }, - { - "created": 1472083748000, - "duration": 7200000, - "id": "233599964", - "name": "Socratic Meetup 60", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1473807600000, - "local_date": "2016-09-13", - "local_time": "19:00", - "updated": 1473817121000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 99, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/233599964/", - "description": "

If you can't make it to the main event please join us at Live Bait on 23rd and Madison around 9:30PM

Presentation:

• Eugene (Mycelium) - ShufflePuff (CoinShuffle)

Discussion Topics:

[bitcoin-dev] Bitcoin Core[masked] released
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-August/013055.html

0.13.0 Binary Safety Warning
https://bitcoin.org/en/alert/2016-08-17-binary-safety   
https://www.reddit.com/r/Bitcoin/comments/4y8m76/0130_binary_safety_warning_bitcoinorg/d6luukw

Bitcoin Knots version[masked].knots[masked] has been released.
https://github.com/bitcoinknots/bitcoin/blob/v0.13.0.knots20160814/doc/release-notes.md

https://github.com/bitcoin/bitcoin/pull/8654
https://github.com/bitcoin/bitcoin/pull/8660
https://github.com/bitcoin/bitcoin/pull/8685
https://github.com/bitcoin/bitcoin/issues/8669#issuecomment[masked] (funny)
https://github.com/bitcoin/bitcoin/issues/8692
https://github.com/bitcoin/bitcoin/pull/8517
https://github.com/bitcoin/bitcoin/pull/8583
https://github.com/bitcoin/bitcoin/pull/8282 (merged)
https://github.com/bitcoin/bitcoin/pull/8525
https://github.com/bitcoin/bitcoin/pull/8499
https://github.com/bitcoin/bitcoin/pull/8501
https://github.com/bitcoin/bitcoin/pull/8526
https://github.com/bitcoin/bitcoin/pull/8543
https://github.com/bitcoin/bitcoin/pull/8550
https://github.com/bitcoin/bitcoin/pull/8635

[bitcoin-dev] Proposed segwit related consensus and policy rules in Bitcoin Core[masked]
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-September/013112.html

Compact Blocks and Xthin Incompatible
https://www.reddit.com/r/btc/comments/4xkqbk/core_intends_to_disrupt_the_p2p_network_with/d6g9di5

SPV proofs and reorg proofs in sidechains
http://popeller.io/index.php/2016/08/30/spv-proofs-in-sidechains/

MimbleWimble Discussion
https://www.reddit.com/r/Bitcoin/comments/4y4ezm/mimblewimble_how_a_strippeddown_version_of/d6m0frx

Pairings in Cryptography (jump to 1hr4min for BLS Signatures + Bitcoin)
https://diyhpl.us/wiki/transcripts/simons-institute/pairing-cryptography/
https://www.youtube.com/watch?v=8WDOpzxpnTE

Yet Another Note on Block Withholding Attack on Bitcoin Mining Pools
http://link.springer.com/chapter/10.1007/978-3-319-45871-7_11/

High-S transactions, help finding origins?
https://bitcointalk.org/index.php?topic=1559214.0

Bitcoin Core Devs Reach Out to Coders With Month-Long Coding Classes
https://bitcoinmagazine.com/articles/bitcoin-core-devs-reach-out-to-coders-with-month-long-coding-classes-1470675341

OpenDime
https://www.reddit.com/r/Bitcoin/comments/4y5gis/the_opendime_bitcoin_stick_review/d6lkyzr

Riccardo Spagni - Dynamic Block Size Caps
https://www.youtube.com/watch?v=gRI8jHV1Qr4

A Validation-cost Metric for Bitcoin (old, but good)
https://jonasnick.github.io/blog/2015/12/13/validation-cost-metric/

Additive proof of discrete log?
https://www.reddit.com/r/btc/comments/50eaa7/additive_proof_of_discrete_log/

THE BITFURY GROUP ISSUES NEW WHITE PAPER ON SHARED SEND UNTANGLING IN BITCOIN BLOCKCHAIN
https://medium.com/@BitFuryGroup/the-bitfury-group-issues-new-white-paper-on-shared-send-untangling-in-bitcoin-blockchain-dfdacbf86108#.ew8escgsf

TumbleBit: An Untrusted Bitcoin-Compatible Anonymous Payment Hub
https://eprint.iacr.org/2016/575.pdf

Lightning Network Deep Dive with Laolu \"Roasbeef\" Osuntokun at SF Bitcoin Devs
https://www.youtube.com/watch?v=b_szGaaPPFk

[Lightning-dev] c-lightning 0.4: Wright's Cryptographic Proof (https://git.io/v6Pzv)
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-August/000596.html

[Lightning-dev] [BOLT Draft] Onion Routing Spec (good thread)
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-September/000601.html

Minting Money With Megawatts
<a>http://ieeexplore.ieee.org/stamp/stamp.jsp?reload=true&tp=&arnumber=7547426</a>;

On the Value of Virtual Currencies
http://www.bankofcanada.ca/wp-content/uploads/2016/08/swp2016-42.pdf

Bitmain R4
https://bitcoinnewsmagazine.com/bitmain-antminer-r4-home-bitcoin-miner/

DDoSCoin: Cryptocurrency with malicious proof of work
https://news.ycombinator.com/item?id=12269683

Ring Confidential Transactions
https://lab.getmonero.org/pubs/MRL-0005.pdf
https://github.com/monero-project/monero/pull/961

Krypton Recovers from a New Type of 51% Network Attack
http://cryptohustle.com/krypton-recovers-from-a-new-type-of-51-network-attack
http://cryptohustle.com/51-attack-crew-extorts-and-hijacks-blockchains-for-ransom

BU Development Roadmap
https://bitco.in/forum/threads/bitcoin-unlimited-proposed-development-roadmap.1401/

Please see event page archives for historical discussion topics. Previous event.

If you would like to sponsor food at the event or demo a project please contact the organizers.

", - "visibility": "public" - }, - { - "created": 1473792582000, - "id": "234098435", - "name": "Whitepaper Wednesday 6: Rootstock", - "date_in_series_pattern": false, - "status": "past", - "time": 1474498800000, - "local_date": "2016-09-21", - "local_time": "19:00", - "updated": 1474511450000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 76, - "venue": { - "id": 24435768, - "name": "Rise NY", - "lat": 40.74261474609375, - "lon": -73.99108123779297, - "repinned": false, - "address_1": "43 West 23rd St, 2nd Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/234098435/", - "description": "

In this discussion Christopher Burniske will lead a discussion diving into the details of Sergio Lerner's Rootstock (RSK), as his team works to bring a fully functional smart contract platform to Bitcoin. The reading material is the Rootstock whitepaper, which can be found here: http://www.rsk.co/#resources

While the floor is always open, some topics that we'd like to cover are: 

Merge mining: is this a realistic possibility? The Blockstack team found with Namecoin that if the majority of Bitcoin miners don't move to support a chain offering merge mining then that chain becomes vulnerable to attack. What does RSK have that will make it a successful merge mining implementation? 

Sidechains have been slow to roll out, admittedly due to the need for a few more updates in core. That said, Drivechains appear a promising implementation, and we'll discuss why (or why not). 

Security: Sergio's core competency is security, and he began in the space as a Bitcoin security auditor. What in RSK's architecture will help it avoid some of the security vulnerabilities we have recently become aware of with Ethereum? Is the segregation of the protocol layers inherent to RSK being built on top of Bitcoin actually a more sound system design?

Competition: Are RSK and Ethereum collaborators or competitors? RSK will be backwards compatible with Ethereum. Is there a reason for developers to run on both, or will one slowly strangle the other? Of note, ether.camp is a partner of RSK's.

", - "visibility": "public" - }, - { - "created": 1474404066000, - "duration": 7200000, - "id": "234276105", - "name": "Socratic Meetup 61 (Food Sponsored by Paxos)", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1475622000000, - "local_date": "2016-10-04", - "local_time": "19:00", - "updated": 1475631673000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 75, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/234276105/", - "description": "

If you can't make it to the main event please join us at Live Bait on 23rd and Madison around 9:30PM

Message from our Sponsors: Paxos is hiring a Blockchain Engineer!

Presentations:

• Matt Corallo - Relay Network + FIBRE

• Jimmy Song - Scaling Bankchain, a private and permissioned blockchain based on bitcoin, but designed to settle transactions between regulated financial institutions. Jimmy will be presenting how to use asynchronous programming and lots of RAM to achieve 10k transactions per second on a single blockchain.

Discussion Topics:

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/8756
https://github.com/bitcoin/bitcoin/pull/8694
https://github.com/bitcoin/bitcoin/pull/8735
https://github.com/bitcoin/bitcoin/pull/8723
https://github.com/bitcoin/bitcoin/pull/8865
https://github.com/bitcoin/bitcoin/issues/8719
https://github.com/bitcoin/bitcoin/pull/8753
https://github.com/bitcoin/bitcoin/pull/8709
https://github.com/bitcoin/bitcoin/pull/8704
https://github.com/bitcoin/bitcoin/pull/8661 (merged)
https://github.com/bitcoin/bitcoin/pull/8636
https://github.com/bitcoin/bitcoin/pull/8526 (/merged)

Weekly Meeting Notes
https://bitcoincore.org/en/meetings/2016/09/15/
https://bitcoincore.org/en/meetings/2016/09/22/

Network Stats
https://drive.google.com/file/d/0B1w2Xy-o9-QQb01OYmJQQjRDY28/view

Simulation based Evaluation of Coin Selection Strategies
http://murch.one/wp-content/uploads/2016/09/CoinSelection.pdf

Limiting excessive SignatureHash operation
https://github.com/jl2012/bips/blob/sighash/bip-sighash.mediawiki

Drivechain using OP_COUNT_ACKS
https://github.com/rootstock/bips/blob/83ef47c2aa615d74eb5e56402781170cb8514afe/BIP-R10.md

BIP 134: Flexible Transactions
https://github.com/bitcoin/bips/pull/445
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-September/013164.html

Xthin vs. Compact Blocks
https://www.reddit.com/r/Bitcoin/comments/54rbl1/xthin_vs_compact_blocks_slides_from_bu_conference/d84hpto

ASICBoost
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-October/013190.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-October/013184.html

MimbleWimble
http://diyhpl.us/~bryan/papers2/bitcoin/mimblewimble-andytoshi-INCOMPLETE-DRAFT[masked].pdf
https://soundcloud.com/heryptohow/mimblewimble-andrew-poelstra-peter-wuille-brian-deery-and-chris-odom

Atomic Swaps
http://popeller.io/index.php/2016/09/28/atomic-swaps/

Lightning Network
What is the Lightning Network and how can it help Bitcoin scale?
http://coincenter.org/entry/what-is-the-lightning-network

Accepting/processing payments over Lightning
https://www.reddit.com/r/Bitcoin/comments/54hvsh/will_lightning_require_rewriting_the_payment/d83c1p1?context=3

[Lightning-dev] Testing a Flare-like routing implementation on 2500 AWS nodes
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-September/000614.html
https://medium.com/@BitFuryGroup/bitfury-lightning-network-algorithm-successfully-tested-935efd43e92b#.mkz0tah1h

Bcoin
https://medium.com/@PurseIO/introducing-bcoin-fdfcb22dfa34#.ugd65tge6

The Ethereum network is currently undergoing a DoS attack
https://blog.ethereum.org/2016/09/18/security-alert-geth-nodes-crash-due-memory-bug/
https://blog.ethereum.org/2016/09/22/ethereum-network-currently-undergoing-dos-attack/
https://www.reddit.com/r/ethereum/comments/54jbvh/quick_update_attacker_has_changed_strategy/

Do Multiple Implementations Make Ethereum More Reliable?
https://petertodd.org/2016/multiple-implementations-consensus-systems

CSRF Vulnerability Allows for Remote Compromise of Monero Wallets
https://labs.mwrinfosecurity.com/advisories/csrf-vulnerability-allows-for-remote-compromise-of-monero-wallets/

Electrum - Thomas Voegtlin
https://www.youtube.com/watch?v=hjYCXOyDy7Y

Brainwallet Cracking
https://rya.nc/forensic-bitcoin-cracking.html

Jute w/ Secure DAG Sorting Algorithm
https://gist.github.com/Taek42/3e4f029261b5719e4587fe4972fb904a

Improving Bitcoin’s Privacy and Scalability with TumbleBit
https://freedom-to-tinker.com/2016/09/13/improving-bitcoins-privacy-and-scalability-with-tumblebit/

Smarter Signatures: Experiments in Verification
https://github.com/WebOfTrustInfo/ID2020DesignWorkshop/blob/master/final-documents/smarter-signatures.pdf

Transparency Overlays and Applications
https://eprint.iacr.org/2016/915.pdf

Proofs of Proofs of Work with Sublinear Complexity
http://fc16.ifca.ai/bitcoin/papers/KLS16.pdf

Large DDoS attacks targeting industry giants over the past few days
https://www.webhostingtalk.com/showthread.php?t=1599694

Are DDoS attacks a threat to the decentralised internet?
https://www.youtube.com/watch?v=79u7bURE6Ss

Deep down the certificate pinning rabbit hole of \"Tor Browser Exposed\"
http://seclists.org/dailydave/2016/q3/51
(related) https://www.youtube.com/watch?v=vBPF71iYmVY - SSL And The Future of Authenticity with Moxie Marlinspike

Twice the Bits, Twice the Trouble: Vulnerabilities Induced by Migrating to 64-Bit Platforms
https://www.tu-braunschweig.de/Medien-DB/sec/pubs/2016-ccs.pdf

Blinded Tokens as Captcha Alternative
https://github.com/cloudflare/challenge-bypass-specification

Lattice Cryptography Library
https://www.microsoft.com/en-us/research/project/lattice-cryptography-library/

--------

Please see event page archives for historical discussion topics. Previous event.

If you would like to sponsor food at the event or demo a project please contact the organizers.

", - "visibility": "public" - }, - { - "created": 1475688102000, - "duration": 7200000, - "id": "234646345", - "name": "Socratic Meetup 62 (Food Sponsored by Article 78 Against NYDFS)", - "date_in_series_pattern": false, - "status": "past", - "time": 1478736000000, - "local_date": "2016-11-09", - "local_time": "19:00", - "updated": 1478744369000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 97, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/234646345/", - "description": "

If you can't make it to the main event please join us at Live Bait on 23rd and Madison around 9:30PM

Presentations:

• Pierre Ciric, an expert in Article 78, will briefly explain why the department of financial services acted arbitrarily and inappropriately by using Bitcoin companies as “Guinea Pigs” when it promulgated its virtual currency regulation. You can find all the documents related to the lawsuit here.

Discussion Topics:

0.13.1 Released
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-October/013265.html

Bitcoin Core Issues & Pull Requests
https://github.com/bitcoin/bitcoin/pull/9076
https://github.com/bitcoin/bitcoin/pull/8883
https://github.com/bitcoin/bitcoin/pull/8817
https://github.com/bitcoin/bitcoin/pull/8895
https://github.com/bitcoin/bitcoin/pull/8952
https://github.com/bitcoin/bitcoin/pull/8994
https://github.com/bitcoin/bitcoin/pull/9037
https://github.com/bitcoin/bitcoin/pull/9039
https://github.com/bitcoin/bitcoin/pull/9082
https://github.com/bitcoin/bitcoin/issues/7591#issuecomment[masked]
https://github.com/bitcoin/bitcoin/pull/8949 (merged)
https://github.com/bitcoin/bitcoin/pull/8915 (/merged)

Segwit
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-October/013226.html
https://bitcoincore.org/en/2016/10/27/release-0.13.1/
https://bitcoincore.org/en/segwit_wallet_dev/
https://bitcoincore.org/en/2016/10/28/segwit-costs/
https://bitcoinmagazine.com/articles/how-segregated-witness-is-about-to-fix-hardware-wallets-1478110057
https://www.reddit.com/r/Bitcoin/comments/59ulc6/segregated_witness_costs_and_risks/d9c9q10/?context=1
https://www.reddit.com/r/btc/comments/5afqgt/greg_maxwell_keeps_saying_segwit2mb/d9h6r5z/
https://www.reddit.com/r/btc/comments/57zjnk/the_blockstreamsegwitln_fork_will_be_worth_less/d8xe7e3?context=3 (scroll down)

Alert System Retirement
https://bitcoin.org/en/alert/2016-11-01-alert-retirement

IRC Meeting Summaries
https://bitcoincore.org/en/meetings/2016/10/13/
https://bitcoincore.org/en/meetings/2016/10/20/
https://bitcoincore.org/en/meetings/2016/10/27/
https://bitcoincore.org/en/meetings/2016/11/03/

MAST
https://github.com/jl2012/bips/blob/6ad482ebd7df25ae8ee13bc8611c61a123be54e4/bip-0114.mediawiki
http://pastebin.com/4V7VZUs5
http://n.bitcoin.ninja/mast
http://diyhpl.us/~bryan/papers2/bitcoin/Merklized%20abstract%20syntax%20trees.pdf

[bitcoin-dev] Libconsensus completion plan document (with pictures)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-October/013204.html

Network Stats
[] (from @sysman)
[]
[]
[]
https://btc.com/stats

Switching from Relay Network to FIBRE
https://bitcointalk.org/index.php?topic=766190.msg16605935#msg[masked]

Scaling Bitcoin 2016 Presentations
https://scalingbitcoin.org/event/milan2016#remote-participation

Scaling Bitcoin Roundup
http://bluematt.bitcoin.ninja/2016/10/14/scaling-roundup/

Blog Posts
A Future Led by Bitcoin Unlimited is a Centralized Future
https://blog.sia.tech/2016/10/24/a-future-led-by-bitcoin-unlimited-is-a-centralized-future/#nodebb/comments

A very valuable vulnerability
http://www.daemonology.net/blog/2016-10-28-A-very-valuable-vulnerability.html

Bcoin: A \"Menace to the Network\" or an Enrichment of the Bitcoin Ecosystem?
https://bitcoinmagazine.com/articles/bcoin-a-menace-to-the-network-or-an-enrichment-of-the-bitcoin-ecosystem-1476909115

Bitmain to Set High Standards with Bitcoin Mining Data Center in Xinjiang
https://blog.bitmain.com/en/bitmain-to-set-high-standards-with-state-of-the-art-xinjiang-data-center/

Economic Policy: Fees and Mining Reward
https://github.com/ignopeverell/grin/wiki/fees-mining

DNS Attack Against Blockchain.info
https://blog.blockchain.com/2016/10/13/security-update-yesterdays-dns-attack/

Why is Bitcoin Core using LevelDB instead of Redis or SQLite?
https://bitcoin.stackexchange.com/questions/48959/why-is-bitcoin-core-using-leveldb-instead-of-redis-or-sqlite

Why your business should use a full node to accept bitcoin
https://www.reddit.com/r/Bitcoin/comments/57xy6d/why_your_business_should_use_a_full_node_to/

Sidechains
Covenants in Elements Alpha
https://blockstream.com/2016/11/02/covenants-in-elements-alpha.html

The Elements Project - A Community of Innovators
https://www.youtube.com/watch?edit=vd&v=D4wxIDhrozM

Steal Sidechain Coins
http://popeller.io/index.php/2016/10/24/steal-sidechained-coins/

Drivechains vs Sidechains
https://bitslog.wordpress.com/2016/10/07/drivechains-vs-sidechains/

Lightning Network
After Scaling Bitcoin, a Lightning Winter Release Is Now Within Reach
https://bitcoinmagazine.com/articles/after-scaling-bitcoin-a-lightning-winter-release-is-now-within-reach-1476814566

LN Desktop App Screenshot
https://imgur.com/a/ssIEe

[Lightning-dev] Blockstream Successfully Tests End-to-End Lightning Micropayment Transaction
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-October/000627.html

[Lightning-dev] c-lightning 0.5: Bitcoin Savings & Trust Daily Interest
https://lists.linuxfoundation.org/pipermail/lightning-dev/2016-October/000635.html

Lightning Network Meeting on Specifications
https://medium.com/@lightningnetwork/lightning-network-meeting-on-interoperability-and-specifications-ea49e47696a4#.n4kcxp9ht

Misc. Repos
Bitcoin Simulator
https://arthurgervais.github.io/Bitcoin-Simulator/

Python FFI bindings for secp256k1
https://github.com/ludbb/secp256k1-py

JoinMarket 0.2.2 Release
https://github.com/JoinMarket-Org/joinmarket/blob/master/doc/release-notes-0.2.2.md

Minimal implementation of the MimbleWimble protocol
https://github.com/ignopeverell/grin
https://github.com/ignopeverell/grin/issues/10
https://download.wpsoftware.net/bitcoin/wizardry/mimblewimble.pdf

TumbleBit
https://medium.com/@ffwang2/tumblebit-an-untrusted-bitcoin-compatible-anonymous-payment-hub-f0e322a4dce1#.dg3rr5ry4
https://joinmarket.me/blog/blog/tumblebit-for-the-tumble-curious/

Research Papers
On the Instability of Bitcoin Without the Block Reward
http://randomwalker.info/publications/mining_CCS.pdf
Bitcoin is unstable without the block size limit
https://medium.com/@bergealex4/bitcoin-is-unstable-without-the-block-size-size-limit-70db07070a54#.2p8gmnl2z
https://www.reddit.com/r/Bitcoin/comments/58x26m/bitcoin_is_unstable_without_the_block_reward/d93y1xh/

Threshold-optimal DSA/ECDSA signatures and an application to Bitcoin wallet security
https://eprint.iacr.org/2016/013.pdf

Towards Fairness of Cryptocurrency Payments
https://arxiv.org/abs/1609.07256

Amplifying Side Channels Through Performance Degradation
https://eprint.iacr.org/2015/1141

Poster: Bitcoin Meets Collective Signing
https://infoscience.epfl.ch/record/220211/files/16-poster_abstract.pdf

Rebooting Web of Trust 2016 Papers
https://github.com/WebOfTrustInfo/rebooting-the-web-of-trust-fall2016/tree/master/topics-and-advance-readings

Coin Selection
https://github.com/Xekyo/CoinSelectionSimulator
https://docs.google.com/spreadsheets/d/1dzugGnAw2nBNL_BwpFR44jci8rO3RkkF5M9OcP2ESN0/pubhtml

Constant-deposit multiparty lotteries on Bitcoin
https://eprint.iacr.org/2016/955

On Trees, Chains and Fast Transactions in the Blockchain
https://eprint.iacr.org/2016/545

Decentralized Anonymous Micropayments
https://eprint.iacr.org/2016/1033.pdf

Ethereum
A survey of attacks on Ethereum smart contracts
https://eprint.iacr.org/2016/1007.pdf

Ongoing Ethereum Attacks
https://www.bokconsulting.com.au/blog/the-ongoing-ethereum-attacks/

Hashrate
http://www.coinwarz.com/network-hashrate-charts/ethereum-network-hashrate-chart

Security Alert - Solidity - Variables can be overwritten in storage
https://blog.ethereum.org/2016/11/01/security-alert-solidity-variables-can-overwritten-storage/

Hard Fork
https://www.reddit.com/r/ethereum/comments/57apz4/hard_fork_consensus_has_been_reached/d8qn7y9/
https://www.reddit.com/r/ethereum/comments/579mzg/hark_fork_on_monday_trumour_or_rumour/d8q4hoq
https://www.reddit.com/r/ethereum/comments/58i8e0/update_on_hf_2_and_client_optimizations/
https://www.reddit.com/r/ethereum/comments/59vhws/update_on_imminent_hard_fork_10282016/

Zcash
MimbleWimble vs. Zcash
https://www.reddit.com/r/Mimblewimble/comments/59qulw/mimblewimble_vs_zcash/d9fv14v/

Z-Address Transactions not confirming
https://github.com/zcash/zcash/issues/1705

Misc.
Signal
https://whispersystems.org/docs/specifications/x3dh/

https://eprint.iacr.org/2016/1013.pdf

PayPal 2FA Bypass
https://henryhoggard.co.uk/blog/Paypal-2FA-Bypass

friends
https://www.reddit.com/r/Bitcoin/comments/58y09m/it_is_time_for_certain_people_to_unite_stand_up/d94k7ut/

What have the Core devs ever done for us
https://www.reddit.com/r/Bitcoin/comments/3bx44a/what_have_the_core_bitcoin_devs_ever_done_for_us/

-----

Please see event page archives for historical discussion topics. Previous event.

If you would like to sponsor food at the event or demo a project please contact the organizers.

", - "visibility": "public" - }, - { - "created": 1478197005000, - "duration": 5400000, - "id": "235329901", - "name": "Whitepaper Wednesday 7: Blockchain-Free Cryptocurrencies", - "date_in_series_pattern": false, - "status": "past", - "time": 1479340800000, - "local_date": "2016-11-16", - "local_time": "19:00", - "updated": 1479413270000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 73, - "venue": { - "id": 24094202, - "name": "SolidX", - "lat": 40.75352096557617, - "lon": -73.97663116455078, - "repinned": false, - "address_1": "200 Park Ave", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/235329901/", - "description": "

Raman Kalra has kindly agreed to lead a discussion on the following paper on Wednesday, Nov 16.

We will discuss the paper titled ‘Blockchain-Free Cryptocurrencies’ by Boyen et al. (https://eprint.iacr.org/2016/871.pdf).

The authors present a novel framework to design cryptocurrencies without using any blockchain. Instead, a chain of transactions is formed that is driven forward by Proof-of-Work (PoW) implemented at the transaction level. Without blocks, the chain of transactions turns into a directed graph whose consensus algorithm is that the transaction with the maximum cumulative PoW prevails. In addition to transferring coins, the transactions also perform the roles of minting new coins, processing fees and validating previous transactions.

Can Bitcoin use this framework to decentralize mining and reduce the time for transaction verification?

", - "visibility": "public" - }, - { - "created": 1477157979000, - "duration": 7200000, - "id": "235042444", - "name": "Debate Series 4: On Privacy and Fungibility (Food Sponsored by Coindesk)", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1480464000000, - "local_date": "2016-11-29", - "local_time": "19:00", - "rsvp_close_offset": "PT4H", - "updated": 1480537071000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 111, - "venue": { - "id": 22662212, - "name": "NYU Leslie eLab", - "lat": 40.633235931396484, - "lon": -74.13187408447266, - "repinned": false, - "address_1": "16 Washington Place", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/235042444/", - "description": "

This is our 4th and final debate for the year (1,2,3). Previously, we have spent time investigating the scaling debate and its many facets. We are now going to switch gears and focus on the topics of privacy and fungibility in public blockchains.

We will spend the first 15-20 minutes going over the history of privacy preserving protocols in the ecosystem. Because most of these protocols require either a hard or soft fork to implement there will naturally be some contention around them; coupled with the already controversial question of anonymity, we should be in for a fun debate. Feel free to post any suggested debate questions/topics in the comments.

Debate questions:

- Why is privacy important (or not)?
- Why is fungibility important (or not)?
- Can you have privacy and fungibilty in a public blockchain without full anonymity?
- Privacy preserving protocols take up a lot of space on the blockchain, should we jeopardize capacity for them?
- How should these protocols be implemented (e.g. extension blocks, sidechains, alt. coins)?
- Some of the protocols use very new \"moon math\" -- how willing are we to experiment with peoples safety and finances in the high stakes environment of a public blockchain?

Relevant Protocols:

Merge Avoidance

• Traditional Mixers

CoinJoin

• CoinSwap

• OWAS

CoinShuffle  (++)

• Confidential Transactions 

• Payment Channels (TumbleBit)     

• Zero Knowledge Contingent Payments

• MimbleWimble

• MAST

zk-SNARKs

• Ring Signatures

• Secure Multiparty Computation

• RingCT

Stealth Address

", - "visibility": "public" - }, - { - "created": 1479410540000, - "duration": 7200000, - "id": "235653277", - "name": "Socratic Meetup 63 (Food Sponsored by Coindesk)", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1481846400000, - "local_date": "2016-12-15", - "local_time": "19:00", - "updated": 1481855557000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 103, - "venue": { - "id": 22662212, - "name": "NYU Leslie eLab", - "lat": 40.633235931396484, - "lon": -74.13187408447266, - "repinned": false, - "address_1": "16 Washington Place", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/235653277/", - "description": "

If you can't make it to the main event please join us at the Peculiar Pub around 9:30PM

Message from our sponsors: CoinDesk has launched a new invite-only developer event called Construct, which will be held in San Francisco from January 30-31. The purpose of Construct is to bring together developers from all the major blockchain projects including bitcoin, ethereum, hyperledger, chainOS, zcash, and others to talk about commonly found issues and work to create interoperability. Developers should apply to attend and all invitations are on a rolling basis.

Presentations:

• Ryan Shea -

Blockstack

Update

Discussion Topics:

Github Issues/PRs
https://github.com/bitcoin/bitcoin/pull/9312 
https://github.com/bitcoin/bitcoin/pull/9294
https://github.com/bitcoin/bitcoin/pull/9261
https://github.com/bitcoin/bitcoin/pull/9222
https://github.com/bitcoin/bitcoin/pull/9343
https://github.com/bitcoin/bitcoin/pull/9298
https://github.com/bitcoin/bitcoin/pull/9262
https://github.com/bitcoin/bitcoin/pull/9172
https://github.com/bitcoin/bitcoin/pull/9171
https://github.com/bitcoin/bitcoin/pull/9167
https://github.com/bitcoin/bitcoin/pull/9179(merged)
https://github.com/bitcoin/bitcoin/pull/9188
https://github.com/bitcoin/bitcoin/pull/8872
https://github.com/bitcoin/bitcoin/pull/9199
https://github.com/bitcoin/bitcoin/pull/9239(/merged)

Segwit Activation
http://api.qbit.ninja/versionstats
https://bitcoincore.org/en/segwit_adoption/
https://github.com/sipa/bitcoin-stats (http://bitcoin.sipa.be)

Forcenet
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-December/013338.html

BIPs
Hardfork Warning System
https://github.com/jl2012/bips/blob/hfwarning/bip-hfwarning.mediawiki
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-December/013332.html

Buried Deployments
https://github.com/sdaftuar/bips/blob/836d2dc91e1e21a77c0b0364ec4a0a9722c02a4f/bip-buried-deployments.mediawiki

Development Meetings
https://bitcoincore.org/en/meetings/2016/11/17/
https://bitcoincore.org/en/meetings/2016/12/01/
https://bitcoincore.org/en/meetings/2016/12/08/

Network Stats
P2SH Proportions
https://twitter.com/sysmannet/status/804371899094597632

AWS/VPS vs Full Nodes
https://twitter.com/sysmannet/status/799361047077359616

UTXO Stats
http://utxo-stats.com/

Fee Availability
https://botbot.me/freenode/bitcoin-core-dev/2016-11-10/?msg=76284251&page=4

Next-Block-Fees
https://gist.github.com/rustyrussell/25815d53f9174b248c46351e11b2e6f5

Code Coverage Report - secp256k1
https://people.xiph.org/~greg/secp256k1_coverage_2015_10_31/tt2/secp256k1/src/index.html

Tumblebit: Tumbler Mode
https://medium.com/@nicolasdorier/tumblebit-tumbler-mode-ea44e9a2a2ec#.fwd5v8t7z

Understanding TumbleBit Part1: Making the Case
https://hackernoon.com/understanding-tumblebit-part-1-making-the-case-823d786113f3#.g10qlnov3

ViaBTC Transaction Accelerator
https://twitter.com/ViaBTC/status/805382562738831361
https://ww.reddit.com/r/Bitcoin/comments/5gd467/viabtcs_transaction_accelerator_test_results/

P2Pool Segwit Readiness
https://github.com/p2pool/p2pool/pull/327

In conversation with Chandler Guo [Pt2] - YouTube
https://www.youtube.com/watch?v=MAd2f4n6wx8&feature=youtu.be

Interview with Laolu \"roasbeef\" Osuntokun of Lightning Network
https://soundcloud.com/whalepool/interview-with-laolu-roasbeef-osuntokun-of-lightning-network

MimbleWimble
https://www.youtube.com/watch?v=aHTRlbCaUyM&feature=youtu.be

Evaluation of Coin Selection Strategies
http://murch.one/wp-content/uploads/2016/11/erhardt2016coinselection.pdf

Bcoin
https://www.youtube.com/watch?v=MGm54LZ1T50

CCS 2016 - Amortizing Secure Computation with Penalties
https://www.youtube.com/watch?v=tGzsz_-oSss

Blockchain Protocol Analysis and Security Engineering 2017
https://cyber.stanford.edu/blockchainconf

Service-Oriented Sharding with Aspen
http://hackingdistributed.com/2016/12/06/aspen/

Lightning Network
Kugelblitz UI
https://github.com/cdecker/kugelblitz

Lightning Spec
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-1-8-a7720fb1b4da#.oyf3yggom
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-2-8-base-protocol-43855d19e062#.eofekb9hu
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-3-8-peer-protocol-for-channel-management-3de0996cd4c#.3nb0a2eiu
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-4-8-bitcoin-transaction-and-script-formats-246609394b0a#.57c2gqfcw
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-5-8-onion-routing-protocol-86c91e455909#.bt4dcckjx
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-6-8-onchain-handling-3c4ee4409cb8#.pw9tdotk5

Routing
https://www.reddit.com/r/btc/comments/5blpeh/this_is_how_you_manipulateforce_people_into/d9pjgnh/?context=3
https://www.reddit.com/r/btc/comments/5blpeh/this_is_how_you_manipulateforce_people_into/d9r9dt9/
https://www.reddit.com/r/Bitcoin/comments/5cwd07/what_are_the_current_avenues_for_research_on/d9zxgvu/

LN less segwit
https://www.reddit.com/r/Bitcoin/comments/5eqm2b/can_ln_work_without_segwit/daemwec/?context=3

Community Participation in LN Spec
https://ww.reddit.com/r/Bitcoin/comments/5gcnpa/the_bitcoin_lightning_spec_part_18/darcn7i/

Generating Partial Address Collisions
https://ww.reddit.com/r/Bitcoin/comments/34hjph/generating_partial_address_collisions_using_the/

Taint analysis on bitcoin stolen from Kraken on 7/20
https://www.reddit.com/r/Bitcoin/comments/559hzp/taint_analysis_on_bitcoin_stolen_from_kraken_on/

On Segwit (harda)
https://www.reddit.com/r/Bitcoin/comments/5eamb1/segregated_witness_explained_with_thanks_to_luke/dabsilx/

Great List of Advanced Bitcoin Topics (kanzure)
https://www.reddit.com/r/Bitcoin/comments/5dt6rt/looking_for_bitcoin_201_explanations/da76j0m/

On Bitcoin Core \"Bugs\" Found by BU Devs (Lightsword + nullc)
https://www.reddit.com/r/btc/comments/5dk11h/bu_lead_developer_andrew_stone_a_short_tour_of/da5dr36/
https://www.reddit.com/r/btc/comments/5dk11h/bu_lead_developer_andrew_stone_a_short_tour_of/da5dj4t/

On Hard and Soft forks in Bitcoin's History (luke-jr)
https://www.reddit.com/r/btc/comments/5f6gyc/satoshi_on_the_lightning_network_remember_the/dairxg5/

Miner Centralization to Avoid Orphan Risk (nullc)
https://www.reddit.com/r/btc/comments/5eil82/im_not_aware_of_a_problem_gregory_maxwell/dadetja/

BIP9 Signaling vs. Voting (nullc)
https://www.reddit.com/r/Bitcoin/comments/5dlfyt/segwit_signalling_begins_now/da6rst5/

On BU Emergent Consenus (Taek42)
https://www.reddit.com/r/Bitcoin/comments/5gm2bp/emergent_consensus_simulationsandrew_stone/datvthv/

Bitcoin Quarterly Update Call - Needham & Co.
Transcript
https://www.docdroid.net/2qjyYlp/transcript-bitcoin-quarterly-update-call-needham-co-november-2016.pdf.html#page=2

Ethereum Netsplit
https://blog.ethereum.org/2016/11/25/security-alert-11242016-consensus-bug-geth-v1-4-19-v1-5-2/
https://twitter.com/peter_szilagyi/status/801884605083222017

zk-SNARKs in a Nutshell
https://blog.ethereum.org/2016/12/05/zksnarks-in-a-nutshell/

Zcash Trusted Setup
https://news.ycombinator.com/item?id=12981631

Zcash Security Announcement
https://z.cash/blog/security-announcement-2016-11-22.html?page=0

ADSNARK: Nearly Practical and Privacy-Preserving Proofs on Authenticated Data
http://diyhpl.us/~bryan/papers2/bitcoin/snarks/ADSNARK:%20Nearly%20practical%20and%20privacy-preserving%20proofs%20on%20authenticated%20data.pdf

Breaking Down Mirai: An IoT DDoS Botnet Analysis
https://www.incapsula.com/blog/malware-analysis-mirai-ddos-botnet.html?utm_source=twitter&utm_medium=organic_emp&utm_campaign=2016_Q4_miraiddos

Managing Security Tradeoffs (Signal)
http://dephekt.net/2016/11/10/managing-security-trade-offs-why-i-still-recommend-signal.html

OTRv4 Draft Spec
https://github.com/twstrike/otrv4

--

Please see event page archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1482095655000, - "duration": 7200000, - "id": "236323435", - "name": "Socratic Meetup 64 (Food Sponsored by Blockstack)", - "rsvp_limit": 160, - "date_in_series_pattern": false, - "status": "past", - "time": 1484092800000, - "local_date": "2017-01-10", - "local_time": "19:00", - "updated": 1484701932000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 151, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/236323435/", - "description": "

If you can't make it to the main event please join us at Live Bait around 9:30PM.

Food and drink are provided by our gracious friends and sponsors: <a>Blockstack</a>

Presentations:

• Ira Miller - GitGuild

Discussion topics:

0.13.2 Release
https://bitcoincore.org/en/2017/01/03/release-0.13.2/
https://github.com/bitcoin/bitcoin/releases/tag/v0.13.2

Github Issues/PRs

https://github.com/bitcoin/bitcoin/pull/9377 (open)
https://github.com/bitcoin/bitcoin/pull/9400
https://github.com/bitcoin/bitcoin/pull/9402
https://github.com/bitcoin/bitcoin/pull/9443
https://github.com/bitcoin/bitcoin/pull/9447
https://github.com/bitcoin/bitcoin/pull/9481
https://github.com/bitcoin/bitcoin/pull/9483
https://github.com/bitcoin/bitcoin/pull/9375  (/open)
https://github.com/bitcoin/bitcoin/issues/9466
https://github.com/bitcoin/bitcoin/issues/9409
https://github.com/bitcoin/bitcoin/pull/9262 (merged)
https://github.com/bitcoin/bitcoin/pull/8610
https://github.com/bitcoin/bitcoin/pull/8776
https://github.com/bitcoin/bitcoin/pull/9138
https://github.com/bitcoin/bitcoin/pull/9465
https://github.com/bitcoin/bitcoin/pull/9319
https://github.com/bitcoin/bitcoin/pull/9312 (/merged)

Dev Meetings
https://bitcoincore.org/en/meetings/2016/12/15/
https://bitcoincore.org/en/meetings/2016/12/22/

Network Stats
https://btc.com/stats

Node Count
https://www.reddit.com/r/Bitcoin/comments/5le1y6/45_of_all_nodes_support_segwit_so_far_013101399/dbvhsb4/
[]

The bitcoinqueue is back
https://www.reddit.com/r/btc/comments/5m8vqg/the_queue_is_back/dc1ouaz/

Fee Visualizer
https://anduck.net/bitcoin/fees/

View tx position in mempool queue
http://mempool.us.to/tx.html

FIBRE .5b3
https://github.com/bitcoinfibre/bitcoinfibre/releases/tag/v0.13.2rc1-fibre0.5b3

TumbleBit
https://medium.com/@nopara73/understanding-tumblebit-part-2-the-endgame-instant-anonymous-scaleable-payment-system-on-top-479e7eb9ca24#.yimbzql3t
https://hackernoon.com/understanding-tumblebit-part-3-not-even-the-tumbler-can-breach-your-privacy-how-8d49d89e3a0d#.6srcjfqad
https://twitter.com/NicolasDorier/status/809740914977452033

Bitcoin Transaction that takes 5 hours to verify
https://bitslog.wordpress.com/2017/01/08/a-bitcoin-transaction-that-takes-5-hours-to-verify/

Lightning Network
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-7-8-p2p-node-and-channel-discovery-bde2aa2b48f6#.y3tsc243n
https://medium.com/@rusty_lightning/bitcoin-lightning-things-to-know-e5ea8d84369f#.b4gx419cm

Schnorr Sigs + Lightning
https://www.reddit.com/r/Bitcoin/comments/5k88lx/have_a_question_regarding_the_combination_of/dc06umf/

Some magic?
https://bitcointalk.org/index.php?topic=1729534.0

Segwit, FlexTrans
https://www.reddit.com/r/btc/comments/5ijtzv/flextransvssegwit_by_tom_zander_of_bitcoin_classic/db8sg8g/?st=iws8mhu2&sh=8d0c490e

Scaling Bitcoin with Secure Hardware
http://hackingdistributed.com/2016/12/22/scaling-bitcoin-with-secure-hardware/
https://www.reddit.com/r/Bitcoin/comments/5jqxxc/scaling_bitcoin_with_secure_hardware/dbitlr7/

Opendime v2
http://blog.opendime.com/announcing-opendime-v2/

MimbleWimble Chainsync
https://www.reddit.com/r/Bitcoin/comments/5le1y6/45_of_all_nodes_support_segwit_so_far_013101399/dbvhsb4/

A problem with Monero's RingCT
https://nickler.ninja/blog/2016/12/17/a-problem-with-ringct/

Merkleset
https://github.com/bramcohen/MerkleSet

SPECTRE
https://medium.com/@avivzohar/the-spectre-protocol-7dbbebb707b5#.8wfmlhtmy
http://www.cs.huji.ac.il/~yoni_sompo/pubs/16/SPECTRE_complete.pdf
https://www.reddit.com/r/Bitcoin/comments/5jbsny/spectre_a_fast_and_scalable_distributed_ledger/dbfeg66/

A Bayesian Approach to Identify Bitcoin Users
https://arxiv.org/pdf/1612.06747v3.pdf

Zero-Collateral Lotteries in Bitcoin and Ethereum
https://arxiv.org/abs/1612.05390v1

Measuring the ecosystem to explore the current state of activities and development - research study by the CCAF is looking for participants
https://www.reddit.com/r/Bitcoin/comments/5jknhs/measuring_the_ecosystem_to_explore_the_current/

The Real Name Fallacy
https://blog.coralproject.net/the-real-name-fallacy/ 

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1483565423000, - "duration": 7200000, - "id": "236678417", - "name": "Socratic Meetup 64: Miami Bitcoin Hackathon Edition", - "rsvp_limit": 1, - "date_in_series_pattern": false, - "status": "past", - "time": 1484265600000, - "local_date": "2017-01-12", - "local_time": "19:00", - "rsvp_open_offset": "PT15M", - "updated": 1484273762000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 0, - "venue": { - "id": 24971715, - "name": "The LAB Miami", - "lat": 25.8011417388916, - "lon": -80.2022476196289, - "repinned": false, - "address_1": "400 NW 26th St", - "city": "Miami", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "FL" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/236678417/", - "description": "

Please RSVP on the Miami International Bitcoin Meetup page. Please join us for the warm weather version of our 64th Socratic Meetup at the Miami Bitcoin Hackathon.
Discussion topics:

0.13.2 Release
https://bitcoincore.org/en/2017/01/03/release-0.13.2/
https://github.com/bitcoin/bitcoin/releases/tag/v0.13.2

Github Issues/PRs

https://github.com/bitcoin/bitcoin/pull/9377 (open)
https://github.com/bitcoin/bitcoin/pull/9400
https://github.com/bitcoin/bitcoin/pull/9402
https://github.com/bitcoin/bitcoin/pull/9443
https://github.com/bitcoin/bitcoin/pull/9447
https://github.com/bitcoin/bitcoin/pull/9481
https://github.com/bitcoin/bitcoin/pull/9483
https://github.com/bitcoin/bitcoin/pull/9375  (/open)
https://github.com/bitcoin/bitcoin/issues/9466
https://github.com/bitcoin/bitcoin/issues/9409
https://github.com/bitcoin/bitcoin/pull/9262 (merged)
https://github.com/bitcoin/bitcoin/pull/8610
https://github.com/bitcoin/bitcoin/pull/8776
https://github.com/bitcoin/bitcoin/pull/9138
https://github.com/bitcoin/bitcoin/pull/9465
https://github.com/bitcoin/bitcoin/pull/9319
https://github.com/bitcoin/bitcoin/pull/9312 (/merged)

Dev Meetings
https://bitcoincore.org/en/meetings/2016/12/15/
https://bitcoincore.org/en/meetings/2016/12/22/

Network Stats
https://btc.com/stats

Node Count
https://www.reddit.com/r/Bitcoin/comments/5le1y6/45_of_all_nodes_support_segwit_so_far_013101399/dbvhsb4/
[]

The bitcoinqueue is back
https://www.reddit.com/r/btc/comments/5m8vqg/the_queue_is_back/dc1ouaz/

Fee Visualizer
https://anduck.net/bitcoin/fees/

View tx position in mempool queue
http://mempool.us.to/tx.html

FIBRE .5b3
https://github.com/bitcoinfibre/bitcoinfibre/releases/tag/v0.13.2rc1-fibre0.5b3

TumbleBit
https://medium.com/@nopara73/understanding-tumblebit-part-2-the-endgame-instant-anonymous-scaleable-payment-system-on-top-479e7eb9ca24#.yimbzql3t
https://hackernoon.com/understanding-tumblebit-part-3-not-even-the-tumbler-can-breach-your-privacy-how-8d49d89e3a0d#.6srcjfqad
https://twitter.com/NicolasDorier/status/809740914977452033

Bitcoin Transaction that takes 5 hours to verify
https://bitslog.wordpress.com/2017/01/08/a-bitcoin-transaction-that-takes-5-hours-to-verify/

Lightning Network
https://medium.com/@rusty_lightning/the-bitcoin-lightning-spec-part-7-8-p2p-node-and-channel-discovery-bde2aa2b48f6#.y3tsc243n
https://medium.com/@rusty_lightning/bitcoin-lightning-things-to-know-e5ea8d84369f#.b4gx419cm

Schnorr Sigs + Lightning
https://www.reddit.com/r/Bitcoin/comments/5k88lx/have_a_question_regarding_the_combination_of/dc06umf/

Some magic?
https://bitcointalk.org/index.php?topic=1729534.0

Segwit, FlexTrans
https://www.reddit.com/r/btc/comments/5ijtzv/flextransvssegwit_by_tom_zander_of_bitcoin_classic/db8sg8g/?st=iws8mhu2&sh=8d0c490e

Scaling Bitcoin with Secure Hardware
http://hackingdistributed.com/2016/12/22/scaling-bitcoin-with-secure-hardware/
https://www.reddit.com/r/Bitcoin/comments/5jqxxc/scaling_bitcoin_with_secure_hardware/dbitlr7/

Opendime v2
http://blog.opendime.com/announcing-opendime-v2/

MimbleWimble Chainsync
https://www.reddit.com/r/Bitcoin/comments/5le1y6/45_of_all_nodes_support_segwit_so_far_013101399/dbvhsb4/

A problem with Monero's RingCT
https://nickler.ninja/blog/2016/12/17/a-problem-with-ringct/

Merkleset
https://github.com/bramcohen/MerkleSet

SPECTRE
https://medium.com/@avivzohar/the-spectre-protocol-7dbbebb707b5#.8wfmlhtmy
http://www.cs.huji.ac.il/~yoni_sompo/pubs/16/SPECTRE_complete.pdf
https://www.reddit.com/r/Bitcoin/comments/5jbsny/spectre_a_fast_and_scalable_distributed_ledger/dbfeg66/

A Bayesian Approach to Identify Bitcoin Users
https://arxiv.org/pdf/1612.06747v3.pdf

Zero-Collateral Lotteries in Bitcoin and Ethereum
https://arxiv.org/abs/1612.05390v1

Measuring the ecosystem to explore the current state of activities and development - research study by the CCAF is looking for participants
https://www.reddit.com/r/Bitcoin/comments/5jknhs/measuring_the_ecosystem_to_explore_the_current/

The Real Name Fallacy
https://blog.coralproject.net/the-real-name-fallacy/ 

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1484163911000, - "duration": 7200000, - "id": "236852887", - "name": "Socratic Seminar 65 (Food Sponsored by AlphaPoint)", - "rsvp_limit": 150, - "date_in_series_pattern": false, - "status": "past", - "time": 1487203200000, - "local_date": "2017-02-15", - "local_time": "19:00", - "updated": 1487212513000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 143, - "venue": { - "id": 24435768, - "name": "Rise NY", - "lat": 40.74261474609375, - "lon": -73.99108123779297, - "repinned": false, - "address_1": "43 West 23rd St, 2nd Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/236852887/", - "description": "

If you can't make it to the main even please join at at Live Bait around 9:30PM.

Message from our sponsors: AlphaPoint is excited to be expanding their team with several new engineering and product management positions in New York. AlphaPoint powers digital asset networks and provides institutions a Distributed Ledger Platform to digitize, trade, and manage any asset. They have a seasoned team and are working on some of the largest production blockchain deployments going live in 2017.

Presentation:

• Ola - Pokereum

Discussion Topics:

PRs
https://github.com/bitcoin/bitcoin/pull/9571
https://github.com/bitcoin/bitcoin/pull/9662
https://github.com/bitcoin/bitcoin/pull/9697
https://github.com/bitcoin/bitcoin/pull/9722
https://github.com/bitcoin/bitcoin/pull/9740
https://github.com/bitcoin/bitcoin/pull/9572
https://github.com/bitcoin/bitcoin/pull/9622
https://github.com/bitcoin/bitcoin/pull/9527
https://github.com/bitcoin/bitcoin/pull/9672 (merged)
https://github.com/bitcoin/bitcoin/pull/9441
https://github.com/bitcoin/bitcoin/pull/9375
https://github.com/bitcoin/bitcoin/pull/9380
https://github.com/bitcoin/bitcoin/pull/9519
https://github.com/bitcoin/bitcoin/pull/9615
https://github.com/bitcoin/bitcoin/pull/8883
https://github.com/bitcoin/bitcoin/pull/7871
https://github.com/bitcoin/bitcoin/pull/9222 (/marged)

Weekly Dev Meetings
https://bitcoincore.org/en/meetings/2017/01/12/
https://bitcoincore.org/en/meetings/2017/01/19/
https://bitcoincore.org/en/meetings/2017/01/26/
https://bitcoincore.org/en/meetings/2017/02/02/
https://bitcoincore.org/en/meetings/2017/02/09/

Bitcooin Core Development Activity 2016
https://www.youtube.com/watch?v=eK1gfMV2Tqw

Recap of the Bitcoin Core Scaling Roadmap
https://www.reddit.com/r/Bitcoin/comments/5sfaus/recap_of_the_bitcoin_core_scaling_roadmap/ddezc0g/

Network Stats
[]
[https://pbs.twimg.com/media/C2TyiRoWEAAbwB8.jpg:large]
[]
[]

Bitcoin Unlimited Produces Invalid Block
https://www.reddit.com/r/Bitcoin/comments/5qwtr2/bitcoincom_loses_132btc_trying_to_fork_the/dd2okd7/
https://www.reddit.com/r/Bitcoin/comments/5qwtr2/bitcoincom_loses_132btc_trying_to_fork_the/dd2q95o/

\"61% of reachable BU nodes will reach chain consensus in ~40 minutes. 24% are configured to stay out of consensus for as long as 19 years.\"
https://twitter.com/lopp/status/826087468382429184

Bitcoin Hard Fork Research
https://bitcoinhardforkresearch.github.io/

[bitcoin-dev] Extension block softfork proposal
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-January/013490.html

Segwit Resources
https://medium.com/segwit-co

Bitcoin Privacy Landscape In 2017 — From Zero To Hero, General Guidelines And Research
https://medium.com/@nopara73/bitcoin-privacy-landscape-in-2017-zero-to-hero-guidelines-and-research-a10d30f1e034#.130ky5mq6

Bitcoin Script: a Reading List
https://blog.bitjson.com/bitcoin-script-a-reading-list-656242edfa6c#.46p34ensg

Bitcoin mine with 11 thousand miners dismantled in Venezuela
https://www.reddit.com/r/Bitcoin/comments/5qlo1w/bitcoin_mine_with_11_thousand_miners_dismantled/dd09p1y/

Double Spend Races
https://arxiv.org/abs/1702.02867

Dandelion: Redesigning the Bitcoin Network for Anonymity
https://arxiv.org/abs/1701.04439

On the original blocksize
https://www.reddit.com/r/Bitcoin/comments/5qwp6f/poll_when_is_the_earliest_you_would_consent_to/dd5oyh3/?context=4

BPASE 2017
https://cyber.stanford.edu/blockchainconf

Evaporative Two Phase Cooling (BitFury)
https://www.youtube.com/watch?v=3VDyGpeezSI

#bitcoin-lightning FAQ: Why the 0.042 bitcoin limit? – Medium
https://medium.com/@rusty_lightning/bitcoin-lightning-faq-why-the-0-042-bitcoin-limit-2eb48b703f3#.vw3jhnpzu

Alpha Release of Lightning Network
http://lightning.community/release/software/lnd/lightning/2017/01/10/lightning-network-daemon-alpha-release/

Setting up and Testing LND with the Testnet Lightning Faucet
http://lightning.community/lnd/faucet/2017/01/19/lightning-network-faucet/

Testnet Faucet Node Graph

Strong Federations, Foundation of Liquid, Whitepaper Released
https://blockstream.com/2017/01/16/strong-federations-paper-released-liquid.html

Elements Alpha Improvements (from Liquid)
https://github.com/ElementsProject/elements/pull/107

Elements Alpha Tutorial for Construct 2017
https://gist.github.com/instagibbs/09eba3a87fd3e8fd6c49ccea7809fb79

What atomic swaps mean for sidechains
https://www.reddit.com/r/Mimblewimble/comments/5ol5o8/hash_preimages_zkcps_atomic_swaps_and_htlcs/dckcay9/

[MimbleWimble]  Hash preimages, ZKCPs, atomic swaps and HTLC's
https://lists.launchpad.net/mimblewimble/msg00022.html

[MimbleWimble] Scripting observations and Lightning Network implementation
https://www.mail-archive.com/mimblewimble@lists.launchpad.net/msg00024.html

[MimbleWimble] Scriptless scripting and deniable swaps : Mailing list archive : mimblewimble team in Launchpad
https://lists.launchpad.net/mimblewimble/msg00036.html

Monero Scale
https://www.reddit.com/r/Bitcoin/comments/5sd6rx/sidestepping_the_block_size_debate_for_a_second/ddetkpp/

Rusty Russel - blockchains

https://www.youtube.com/watch?v=u_0RWLf3zjs#t=394m07s

-

Please see event archives for previous discussion topics. Previous event.

Rise New York is a global community of startups and corporates creating the future of commerce and fintech by helping startups and entrepreneurs connect, co-create, and scale innovation. In partnership with Barclays, we listen, nurture and oxygenate through our international network of Rise hubs. Rise New York also houses a world-class event space and is home to the U.S. cohort of the Barclays Accelerator, powered by Techstars.

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Sergio Demain Lerner of RSK labs will tell us about his new ideas regarding scaling Bitcoin:

Abstract: The RSK platform is a decentralized Bitcoin sidechain. The RSK vision is to achieve true financial inclusion of billion of people currently unserviced by the financial industrywith the RSK platform. This scale can only be achieved by a Lightning network, so RSK’s created Lumino, an off-chain payment network over RSK. But off-chain payment channels require on-chain transactions when a hub misbehaves, when one party disappears and for channel top ups, and therefore it’s also important that the underlying blockchain can handle a high volume of on-chain transactions in a reduced time window. Assuming each user tops up and settles a single payment channel every month, Bitcoin throughput would enable only 2 million users participate. The Lumino Transaction Compression Protocol (LTCP) reduces the storage cost of online transactions, and potentially enables billions of people to participate.

The paper for this meetup can be found at the bottom of the RSK homepage: http://www.rsk.co/#resources

https://uploads.strikinglycdn.com/files/9dcb08c5-f5a9-430e-b7ba-6c35550a4e67/LuminoTransactionCompressionProtocolLTCP.pdf

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Please join us at Live Bait around 9:30PM if you can't make it to the main event.

Discussion Topics:

0.14.0 Released
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-March/013697.html
https://bitcoincore.org/en/2017/03/08/release-0.14.0/
https://www.youtube.com/watch?v=1FdGku1PVE8

Pull Requests
https://github.com/bitcoin/bitcoin/pull/9806
https://github.com/bitcoin/bitcoin/pull/9818
https://github.com/bitcoin/bitcoin/pull/9849
https://github.com/bitcoin/bitcoin/pull/9919
https://github.com/bitcoin/bitcoin/pull/9966

Network Stats
IBD Improvements Over Time
[]

Blockchain Growth - Bitcoin v Ethereum
[]

Bitcoin Node Services
http://luke.dashjr.org/programs/bitcoin/files/charts/services.html

Bitcoin Node Security
http://luke.dashjr.org/programs/bitcoin/files/charts/security.html

Other Stats
BTC.com
https://bitcoinchain.com/

Weekly Meetings
https://bitcoincore.org/en/meetings/2017/02/16/
https://bitcoincore.org/en/meetings/2017/02/23/
https://bitcoincore.org/en/meetings/2017/03/02/

Bitcoin Unlimited Remote Code Exploit
https://github.com/BitcoinUnlimited/BitcoinUnlimited/commit/eee6a2daeb560f26061535695fc0f7de168ffe32
https://www.reddit.com/r/btc/comments/5zeut8/buir2017223_statement_regarding_networkwide/dexkurs/?context=3
https://www.reddit.com/r/btc/comments/5zdrru/peter_todd_bu_remote_crash_dos_wtf_bug_assert0_in/dexgmty/?context=3

User Activated Soft Fork
https://gist.github.com/shaolinfry/0f7d1fd22743bb966da0c0b1682ea2ab
https://gist.github.com/shaolinfry/70d0582db7de958b7d5b6422cfef4e22

On-chain scaling - a review of historical performance optimization made to Bitcoin’s reference software. Part 1
https://bitcoincore.org/en/2017/03/13/performance-optimizations-1/

[bitcoin-dev] TXO commitments do not need a soft-fork to be useful
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-February/013591.html
https://github.com/bitcoin/bitcoin/pull/9880

[bitcoin-dev] Proposal for utxo commitment format
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg04650.html

XPIR for more private lightweight nodes
https://bitcointalk.org/index.php?topic=1762589.0

SHA1
https://shattered.it/
https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-February/013600.html

Cloudflare Reverse Proxies are Dumping Uninitialized Memory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1139
https://github.com/pirate/sites-using-cloudflare/blob/master/README.md
https://blog.cloudflare.com/quantifying-the-impact-of-cloudbleed/

MIT Bitcoin Expo 2017
http://mitbitcoinexpo.org/
https://www.youtube.com/watch?v=0mVOq1jaR1U
https://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2017/
https://www.reddit.com/r/Mimblewimble/comments/5xo9ri/scriptless_scripts_in_mimblewimble_mit_bitcoin/dem9kpj/

Construct 2017
http://www.coindesk.com/events/construct-2017/videos/

Porting Bitcoin Core to CloudABI
https://laanwj.github.io/2017/03/02/porting-bitcoin-core-to-cloudabi.html
https://github.com/laanwj/bitcoin

Release v0.14.0 FIBRE
https://github.com/bitcoinfibre/bitcoinfibre/releases/tag/v0.14.0-fibre0.6

Constant-deposit multiparty lotteries on Bitcoin (revised)
https://eprint.iacr.org/2016/955

Bcoin v1.0.0 Released
https://medium.com/purse-essays/announcing-the-bcoin-v1-0-0-beta-release-b6c1c4acf1e3#.gdoz10cq7

Lightning
Want to #bitcoin Geek with Us? Join #lightning!
https://medium.com/@rusty_lightning/want-to-bitcoin-geek-with-us-join-lightning-40033be5ebd6#.wt03tqsze

Sprites: Payment Channels that Go Faster than Lightning
https://arxiv.org/abs/1702.05812
https://botbot.me/freenode/lightning-dev/2017-02-22/?msg=81345308&page=1

Zerocoin implementation bug
https://zcoin.io/language/en/important-announcement-zerocoin-implementation-bug/

--

Please see the event archives of our Socratic Seminar series for historical content. Previous event.

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Our first debate of 2017 will focus on a contentious hard fork proposal known as \"emergent consensus,\" a series of changes to the Bitcoin protocol which introduce a node policy based heuristic that dynamically governs the maximum block size.

More specifically, emergent consensus (implemented in Bitcoin Unlimited) removes the concept of a fixed block ceiling and replaces it with a \"complex hash rate tournament with variable semi-sticky frictions and path-dependent block acceptance*\" by removing consensus rules and making them node/miner policy.

We will spend the first 20 minutes reviewing the current consensus discovery process in the Bitcoin protocol (Nakamoto Consensus) and compare it to the proposed changes in Bitcoin Unlimited. From there we will jump into the following questions to spark debate (feel free to post debate questions in the comments section below):

1) Should the maximum block size be a consensus enforced rule that all users must follow? If so, what purpose does it serve? If not, why?

2) Given one chain, two Bitcoin Unlimited nodes may validate it differently. What are the implications of this on node operation and the importance of out of band communications on consensus convergence? To what extent does Nakamoto Consensus rely on out of band comms?

3) Are non protocol experts able to actively monitor/modify their Acceptance Depth and Excessive Block parameters to best maintain consensus while also retaining the right to reject blocks? Can you just \"set it and forget it?\"

4)  Are miners incentivized to avoid an AD/EB pairing that would cause them to orphan blocks/waste hash power? If so, does this conformity make them more susceptible to accepting blocks larger than they would otherwise?

5)If the miners have very different parameters how does user experience around confirmations change?

6) The complexities of adversarial behavior in emergent consensus is fairly difficult to reason about. Has it received enough peer review to go live?

7) Should Bitcoin Unlimited use the preexisting Bitcoin Improvement Proposal process?

8) BU has no replay protection. Is that safe?

9) BU has no activation threshold or warning. Is that safe?

10) BU has no \"wipeout\" protection. Is that safe?

--

*nullc

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If you can't make it to the main event please join us at Westville Hudson around 9:30PM.

Message from our sponsors: Zen is a platform and movement aimed at decentralized democracy and self-reliance. The main effort of Zen is to achieve complete censorship-resistance through state-of-the-art cryptographic technologies and to launch a self-funded DAO-like entity to fund democratically selected efforts. The project plans to publicly launch in NYC to coincide with this year's Consensus Conference. Our team is rapidly growing but we need more developers! Find out more at zencash.io and rocketchat.zdeveloper.org

Galvanize is a dynamic learning community for technology. Our community is where people and companies with the guts and smarts to create real-world change congregate and inspire each other. Our goal is to make opportunities in technology available to all those with the aptitude, determination, and drive.

Presentations:

• Artur S. (Paxful) - Securing Fintech Web Apps

• JoshuaYabut - Zencash

Discussion topics:

0.14.1rc1
https://lists.linuxfoundation.org/pipermail/bitcoin-core-dev/2017-April/000037.html

PRs
https://github.com/bitcoin/bitcoin/pull/10015
https://github.com/bitcoin/bitcoin/pull/10040
https://github.com/bitcoin/bitcoin/pull/10102
https://github.com/bitcoin/bitcoin/pull/10007
https://github.com/bitcoin/bitcoin/pull/9294 (merged)
https://github.com/bitcoin/bitcoin/pull/10133
https://github.com/bitcoin-core/secp256k1/issues/445

Dev Meetings
https://bitcoincore.org/en/meetings/2017/03/30/
https://bitcoincore.org/en/meetings/2017/03/23/
https://bitcoincore.org/en/meetings/2017/03/16/

Network Stats
btc.com

Base32 address format for native v0-16 witness outputs
https://github.com/sipa/bech32/blob/master/bip-witaddr.mediawiki

https://www.youtube.com/watch?v=NqiN9VFE4CU

Block size/weight fraud proof
https://github.com/luke-jr/bips/blob/bip-sizefp/bip-sizefp.mediawiki
https://github.com/bitcoin/bitcoin/pull/10074

Bitcoin Core :: Technology roadmap - Schnorr signatures and signature aggregation
https://bitcoincore.org/en/2017/03/23/schnorr-signature-aggregation/

ASICBOOST
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-April/013996.html
https://news.ycombinator.com/item?id=14073931
<a>http://www.mit.edu/~jlrubin//public/pdfs/Asicboost.pdf</a>;
https://pastebin.com/RU5SXsFE
https://www.reddit.com/r/btc/comments/63qt39/a_thinking_persons_guide_to_the_latest_bitcoin/dfwlo91/
https://www.reddit.com/r/Bitcoin/comments/63otrp/gregory_maxwell_major_asic_manufacturer_is/dfwcahm/
https://patentscope.wipo.int/search/docservicepdf_pct/id00000032873338/PAMPH/WO2016046820.pdf

Extension Blocks Proposal
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-April/013982.html
https://github.com/tothemoon-org/extension-blocks/blob/master/spec.md

UASF
http://www.uasf.co/
http://uasf.saltylemon.org/

Wang Chun on Twitter: \"Someone hacked major mining operations and their stratum had been changed from antpool, viabtc, btctop to us. Our hashrate doubled instantly\"
https://twitter.com/f2pool_wangchun/status/848582740798611456

BitGo’s Approach to Handling a Hard Fork – BitGo for Business
https://blog.bitgo.com/bitgos-approach-to-handling-a-hard-fork-71e572506d7d#.2b9r6ss3p

How to split your coins using Electrum in case of a BU Hard Fork
http://docs.electrum.org/en/latest/hardfork.html

[bitcoin-dev] Malice Reactive Proof of Work Additions (MR POWA): Protecting Bitcoin from malicious miners
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-March/013744.html

Factom has had SegWit from the beginning, due to a compromise
https://medium.com/@BrianDeery/factom-has-had-segwit-from-the-beginning-due-to-a-compromise-db72b388d99e#.tqfueegxa

TumbleBit Status (as of March 2017)
http://ethanheilman.tumblr.com/post/159040366765/tumblebit-status-as-of-march-2017

Confidential Assets
http://fc17.ifca.ai/bitcoin/papers/bitcoin17-final41.pdf

Escrow protocols for cryptocurrencies: How to buy physical goods using Bitcoin
http://randomwalker.info/publications/cryptocurrency-escrow.pdf

s3nd Meeting Q1: Berlin
https://s3nd.org/berlin2017
https://blog.btc.com/s3nd-meeting-q1-berlin-d9a5b3dba3ce

BitCrust
https://bitcrust.org/

Stratis Bitcoin Full Node in C# Goes Live
https://stratisplatform.com/2017/03/22/stratis-bitcoin-full-node-in-c-goes-live/

Lightning Network
Eclair 0.2-alpha1 is out
https://medium.com/@ACINQ/eclair-0-2-alpha1-is-out-3caaff242567#.d5gxnzo0i

Release lnd v0.2-alpha · lightningnetwork/lnd ·
https://github.com/lightningnetwork/lnd/releases/tag/v0.2-alpha

Lightning network in action
https://medium.com/@btc_coach/lightning-network-in-action-b18a035c955d#.4k407quj8

Miners and Bitcoin Lightning
https://medium.com/@rusty_lightning/miners-and-bitcoin-lightning-a133cd550310#.rgds33kzs

Misc.
Monero[masked] \"Wolfram Warptangent\" Released : Monero
https://www.reddit.com/r/Monero/comments/61ilvb/essential_update_monero_0103_wolfram_warptangent/

How to Find $10M Just by Reading the Blockchain
https://blog.golemproject.net/how-to-find-10m-by-just-reading-blockchain-6ae9d39fcd95

Financial Cryptography 2017
http://fc17.ifca.ai/index.html

Stanford Computer Forum - Security Workshop: April 10, 2017
https://www.youtube.com/watch?v=X_TREZzeerA

--

Please see the event archives of our Socratic Seminar series for historical content. Previous event

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If you can't make it to the main event please join us for drinks after Tanner Smiths around 9:30PM.

Message from our Sponsors: Sullivan & Worcester and ZAG S&W are one-stop-shop international law firms with experience in blockchain regulation.

Presentations:

• Joseph Fiscella - Alexandria

• Jimmy Song - moneroutil

Discussion Topics:
Pull Requests
https://github.com/bitcoin/bitcoin/pull/10443 (fees)
https://github.com/bitcoin/bitcoin/pull/10360 (fees)
https://github.com/bitcoin/bitcoin/pull/10391
https://github.com/bitcoin/bitcoin/pull/10339
https://github.com/bitcoin/bitcoin/pull/10345
https://github.com/bitcoin/bitcoin/pull/10282#issuecomment[masked]
https://github.com/bitcoin/bitcoin/pull/10275
https://github.com/bitcoin/bitcoin/pull/10279
https://github.com/bitcoin/bitcoin/pull/10244
https://github.com/bitcoin/bitcoin/pull/10195
https://github.com/bitcoin/bitcoin/pull/10200
https://github.com/bitcoin/bitcoin/pull/10199 (merged)
https://github.com/bitcoin/bitcoin/pull/9966
https://github.com/bitcoin/bitcoin/pull/9951
https://github.com/bitcoin/bitcoin/pull/9792
https://github.com/bitcoin/bitcoin/pull/10208
https://github.com/bitcoin/bitcoin/pull/9665 (/merged)

Network Stats
btc.com

Meeting Notes
https://bitcoincore.org/en/meetings/2017/04/13/
https://bitcoincore.org/en/meetings/2017/04/20/
https://bitcoincore.org/en/meetings/2017/04/27/

Proposal: Soft Fork Threshold Signaling
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg05205.html

UASF
https://github.com/bitcoin/bips/blob/master/bip-0008.mediawiki
https://github.com/bitcoin/bips/blob/master/bip-0149.mediawiki
https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
https://imgur.com/a/tIv6O
https://www.reddit.com/r/Bitcoin/comments/69xkvv/understanding_bip149_redeployment_of_segwit_with/
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-April/014152.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014377.html
https://medium.com/@rusty_lightning/i-support-uasf-for-segregated-witness-75d9ef286fe5

ASICBOOST
https://medium.com/@jimmysong/examining-bitmains-claims-about-asicboost-1d61118c678d
https://medium.com/@jimmysong/mining-profitability-and-asicboost-ffdb779ef6dd

\"Compromise\" 2MB Segwit
https://medium.com/@DCGco/bitcoin-scaling-agreement-at-consensus-2017-133521fe9a77
https://twitter.com/TheBlueMatt/status/867101642860134400
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014360.html
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014380.html

Rate Limiting via peer specified challenges
https://github.com/kallewoof/bips/blob/pow-connection-slots/bip-rate-limiting-via-pow.mediawiki

NODE_NETWORK_LIMITED service bits
https://github.com/jonasschnelli/bips/wiki/NODE_NETWORK_LIMITED-BIP-DRAFT
https://github.com/bitcoin/bitcoin/pull/10387

Rolling UTXO set hashes
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014337.html

Comments on new address format
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg05333.html

Hijacking Bitcoin: Routing Attacks on Cryptocurrencies
https://btc-hijack.ethz.ch/

Bitcoin Core tests: performance in VM
https://laanwj.github.io/2017/04/19/bitcoin-test-qemu-cache-settings.html

Protocol Changes Diagram
[]

On Protocol Upgrade Cadence
https://www.reddit.com/r/Bitcoin/comments/65bch8/gregory_maxwell_i_do_not_support_the_bip_148_uasf/dg9xfam/

MimbleWimble
Perfectly hiding vs perfectly binding
https://lists.launchpad.net/mimblewimble/msg00114.html

Payment Channels/LN
[RFC] Lightning payment format
https://lists.linuxfoundation.org/pipermail/lightning-dev/2017-April/000683.html

The “Litening” Network: Litecoin Support in LND
http://lightning.community/release/software/lnd/lightning/2017/05/03/litening/

ACINQ tested Lightning on Litecoin
https://medium.com/bitcoinfoundation/we-tested-lightning-on-litecoin-70282dd1dca6

Moonbeam
https://github.com/luno/moonbeam

Liquid Beta
https://blockstream.com/2017/05/22/liquid-beta-program-update.html

Greg Maxwell on Confidential Transactions
https://www.youtube.com/watch?v=LHPYNZ8i1cU&feature=youtu.be

FOSS Announcements
v0.14.1 FIBRE 0.7
https://github.com/bitcoinfibre/bitcoinfibre/releases/tag/v0.14.1-fibre0.7

Open Timestamps
https://www.reddit.com/r/btc/comments/65izs6/bitcoincom_launches_blockchainbased_notary_page/dgazcv4/

HiddenWallet: Full Block SPV TumbleBit Wallet
https://medium.com/@nopara73/introducing-hiddenwallet-full-block-spv-tumblebit-wallet-testing-release-1054a15a9bb1

BITCRUST
https://bitcrust.org/blog-fraud-proofs

Parity Bitcoin
https://github.com/paritytech/parity-bitcoin
https://github.com/paritytech/parity-bitcoin/issues/404

bitcoind indexd
https://github.com/bitcoinjs/indexd

Joinmarket 0.2.3 Release
https://github.com/JoinMarket-Org/joinmarket/blob/master/doc/release-notes-0.2.3.md

Security
Attackers can make thinblocks supporting nodes ban each other
https://github.com/BitcoinUnlimited/BitcoinUnlimited/issues/485
https://www.reddit.com/r/btc/comments/67x8aw/latest_buclassic_bug_attackers_can_make/dgubfrb/

$1MM Segwit Bounty on Litecoin
https://www.reddit.com/r/litecoin/comments/6azeu1/1mm_segwit_bounty/

New quadratic delays in Bitcoin scripts |
https://bitslog.wordpress.com/2017/04/17/new-quadratic-delays-in-bitcoin-scripts/
https://www.reddit.com/r/btc/comments/65uwvw/sergio_demian_lerner_finds_serious_flaws_in/dgenlhu/

Intel Active Management Technology, Intel Small Business Technology, and Intel Standard Manageability Escalation of Privilege
https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00075
https://puri.sm/posts/reverse-engineering-the-intel-management-engine-romp-module/

WannaCry
https://www.redsocks.eu/news/ransomware-wannacry/
https://github.com/aguinet/wannakey
https://arstechnica.com/security/2017/05/massive-cryptocurrency-botnet-used-leaked-nsa-exploits-weeks-before-wcry/
https://blog.comae.io/wannacry-new-variants-detected-b8908fefea7e
https://blog.comae.io/wannacry-the-largest-ransom-ware-infection-in-history-f37da8e30a58

Monero
https://moderncrypto.org/mail-archive/curves/2017/000846.html

High transaction volumes causing problems for miners
https://z.cash/blog/security-announcement-2017-04-13.html
https://github.com/zcash/zcash/issues/2333

Quadratic Hashing in BIP 134
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg05306.html

Misc.
Distributed Cryptography Based on the Proofs of Work
https://eprint.iacr.org/2014/796

Brahms: Byzantine Resilient Random Membership Sampling
https://people.csail.mit.edu/idish/ftp/Brahms-PODC.pdf

Bitcoin Transaction Checker
https://transactioncheck.bitrefill.com/

The Altcoin/Token Bubble
https://medium.com/@coin_and_peace/new-wave-of-japanese-investors-are-fueling-the-great-altcoin-bubble-a504383172ff

--

Please see event archives for a history of discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1493759203000, - "id": "239675422", - "name": "Whitepaper Wednesday 9: Anonymous Mixing Networks and Loopix", - "rsvp_limit": 120, - "date_in_series_pattern": false, - "status": "past", - "time": 1496876400000, - "local_date": "2017-06-07", - "local_time": "19:00", - "updated": 1496889905000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 120, - "venue": { - "id": 24841675, - "name": "Galvanize - West SoHo", - "lat": 40.72638702392578, - "lon": -74.0077896118164, - "repinned": false, - "address_1": "315 Hudson Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/239675422/", - "description": "

Numerous parties in the Bitcoin ecosystem need an anonymous networking layer to keep financial transactions private.  This includes MimbleWimble, which requires sender/receiver negotiation of a blinding key, the Lightning/Raiden networks, and social key management schemes like uPort and Vida.  These networks are similar to Tor, but add timing delays and decoy traffic.  We have invited David Stainton of the Least Authority project and Tor contributor down to lead a discussion about mixing networks.

There are two pieces of reading for this meetup: Why I'm not an entropist by Paul Syverson, which is a general, non-technical background on anonymity networks. Then we will move on to discuss a very recent amalgam of designs, The Loopix Anonymity System.  Please read one or both of these papers before the meeting (and probably bring a printout).

Part of my goal with this meeting is to find people interested in creating a specification for a new mixing network with David, as well as people interested in implementing it.

UPDATE 6/6/2017 David sends along the following:

David will give an introduction to mixnets and help answer these questions:

1. what is Tor and what does it do really well?

2. what are some problems with mixnets and why have they NOT been adopted in the past 36 years.

3. what are some things we can learn from the classical packet switching network literature that apply to mixnets.

For topic #2 I think there's a very relevant paper, called: Obstacles to the Adoption of Secure Communication Tools and one of the authors of that paper has given a decent talk about it as well: https://www.youtube.com/watch?v=5aNmbWS--io

Afterwards we will head to Westville at 333 Hudson for libations.

", - "visibility": "public" - }, - { - "created": 1496966693000, - "duration": 7200000, - "id": "240651501", - "name": "Socratic Seminar 69", - "rsvp_limit": 100, - "date_in_series_pattern": false, - "status": "past", - "time": 1497567600000, - "local_date": "2017-06-15", - "local_time": "19:00", - "rsvp_close_offset": "PT4H", - "updated": 1497633210000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 89, - "venue": { - "id": 25294234, - "name": "PWC", - "lat": 40.75265121459961, - "lon": -73.98007202148438, - "repinned": false, - "address_1": "300 Madison Avenue", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/240651501/", - "description": "

If you can't make it to the main event please join us at Cock and Bull around 9:30PM.

Discussion topics:

0.14.2rc2
https://github.com/bitcoin/bitcoin/releases/tag/v0.14.2rc2

Pull Requests
https://github.com/bitcoin/bitcoin/pull/10586
https://github.com/bitcoin/bitcoin/pull/10593
https://github.com/bitcoin/bitcoin/pull/10589
https://github.com/bitcoin/bitcoin/pull/9208 (merged)
https://github.com/bitcoin/bitcoin/pull/10441
https://github.com/bitcoin/bitcoin/pull/10345
https://github.com/bitcoin/bitcoin/pull/8694 (/merged)

Network Stats
btc.com
https://blockchain.info/charts/mempool-state-by-fee-level

[bitcoin-dev] BIP proposal - Dandelion: Privacy Preserving Transaction Propagation
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-June/014571.html

Compact Client Side Filtering for Light Clients
https://github.com/Roasbeef/bips/blob/master/gcs_light_client.mediawiki
https://github.com/lightninglabs/neutrino

Fee Market Mechanics Proposal
https://gist.github.com/DavidVorick/ba17fb7db50b9270d1c2131ff425422b

[bitcoin-dev] Compatibility-Oriented Omnibus Proposal
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg05504.html

Segwit2x
https://github.com/btc1/
https://imgur.com/a/a2oPs

BIP148
https://medium.com/@nicolasdorier/love-or-hate-it-but-do-not-ignore-it-52f8dd3c72e9

UAHF Contingency Plan
https://blog.bitmain.com/en/uahf-contingency-plan-uasf-bip148/

Integrating ValueShuffle into the Mimblewimble protocol
https://lists.launchpad.net/mimblewimble/msg00125.html

Transacting
https://lists.launchpad.net/mimblewimble/msg00140.html

Liquid: the first commercial sidechain based on Strong Federation.
https://medium.com/@BHBnetwork/liquid-the-first-commercial-sidechain-based-on-strong-federation-e39f3cc7cb6

Ephemeral data and the Schrödinger’s paradox – RSK
http://media.rsk.co/research-news-ephemeral-data/

Soft launching Ledger SGX Enclave
https://blog.ledger.co/soft-launching-ledger-sgx-enclave-b9b50d80fd81

Obfuscation in Bitcoin: Techniques and Politics
http://randomwalker.info/publications/bitcoin-obfuscation.pdf

Understanding TumbleBit Part 4: Not Even The Tumbler Can Steal Your Coins
https://hackernoon.com/understanding-tumblebit-part-4-not-even-the-tumbler-can-steal-your-coins-482e7076ef22

Misc
An empirical study on the correctness of formally verified distributed systems
https://blog.acolyer.org/2017/05/29/an-empirical-study-on-the-correctness-of-formally-verified-distributed-systems/

How OpenTimestamps 'Carbon Dated' (almost) The Entire Internet With One Bitcoin Transaction
https://petertodd.org/2017/carbon-dating-the-internet-archive-with-opentimestamps

A Peek under Bitcoin's Hood
http://www.samlewis.me/2017/06/a-peek-under-bitcoins-hood/

A Secure Sharding Protocol For Open Blockchains
https://www.comp.nus.edu.sg/~loiluu/papers/elastico.pdf

CoinSwap Implementation
https://github.com/AdamISZ/CoinSwapCS

sighacker
https://github.com/apoelstra/sighacker/

Statement on QuadrigaCX Ether contract error
https://www.reddit.com/r/ethereum/comments/6ettq5/statement_on_quadrigacx_ether_contract_error/

Ethereum Scaling
https://twitter.com/nicksdjohnson/status/874287261445226496

The attacker is back! Account related to devcon2 attacks is preparing something
https://www.reddit.com/r/ethereum/comments/6ene3u/the_attacker_is_back_account_related_to_devcon2/

WannaCry: Two Weeks and 16 Million Averted Ransoms Later
https://blog.kryptoslogic.com/malware/2017/05/29/two-weeks-later.html

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1499542892000, - "duration": 7200000, - "id": "241459992", - "name": "Socratic Seminar 70", - "rsvp_limit": 130, - "date_in_series_pattern": false, - "status": "past", - "time": 1500418800000, - "local_date": "2017-07-18", - "local_time": "19:00", - "updated": 1500487426000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 146, - "venue": { - "id": 24841675, - "name": "Galvanize - West SoHo", - "lat": 40.72638702392578, - "lon": -74.0077896118164, - "repinned": false, - "address_1": "315 Hudson Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/241459992/", - "description": "

If you can't make it to the main event please join us at Westville Hudson around 9:30PM. Thanks to our sponsors Galvanize and Chaincode Labs for event space and food!

Discussion topics

Bitcoin Core[masked] Released
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-June/014597.html

Pull Requests
https://github.com/bitcoin/bitcoin/pull/10849
https://github.com/bitcoin/bitcoin/pull/10650
https://github.com/bitcoin/bitcoin/pull/10740
https://github.com/bitcoin/bitcoin/pull/10823
https://github.com/bitcoin/bitcoin/pull/10838
https://github.com/bitcoin/bitcoin/pull/10799
https://github.com/bitcoin/bitcoin/pull/10821
https://github.com/bitcoin/bitcoin/pull/10757
https://github.com/bitcoin/bitcoin/pull/10707
https://github.com/bitcoin/bitcoin/pull/10637
https://github.com/bitcoin/bitcoin/pull/10192 (merged)
https://github.com/bitcoin/bitcoin/pull/10582
https://github.com/bitcoin/bitcoin/pull/9343
https://github.com/bitcoin/bitcoin/pull/10446
https://github.com/bitcoin/bitcoin/pull/10589
https://github.com/bitcoin/bitcoin/pull/10712
https://github.com/bitcoin/bitcoin/pull/10618
https://github.com/bitcoin/bitcoin/pull/10706 (/merged)

Stats
http://bc.daniel.net.nz/
btc.com

Bitcoin Fibre Public Network Announcement
http://bitcoinfibre.org/public-network.html

Ignore the Drama
https://twitter.com/jfnewbery/status/883001356168167425

UASF/2x
The Road to Segwit Activation — UASF, Segwit2x and Segwit Signalling Explained
https://medium.com/@wintercooled/the-road-to-segwit-activation-uasf-segwit2x-and-segwit-signalling-explained-2ff00488b7cb
https://medium.com/@wintercooled/explaining-segwit2x-and-bip-148-uasf-compatibility-39ca7e3296ed

Stats Simulation: BIP 148 Minority Reorgs
https://blog.bitcoinhk.org/stats-simulation-bip148-minority-reorgs-1ecd11f41bc7

nullc on segwit2x
https://www.reddit.com/r/Bitcoin/comments/6h612o/can_someone_explain_to_me_why_core_wont_endorse/divtc93/
https://www.reddit.com/r/Bitcoin/comments/6hpvtg/when_vcs_ceos_and_bottom_shelf_developers_trying/dj09a6w/

On Spy Mining
https://bitcointalk.org/index.php?topic=2008333.msg19999372#msg[masked]

Broadband Speeds 2 Years Later
https://rusty.ozlabs.org/?p=602

Christian Decker Finding the Block Size “Sweet Spot”
https://bitcoinmagazine.com/articles/christian-decker-network-improvements-tradeoffs-and-finding-block-size-sweet-spot/

[WIP] Aggregate signature module implementation
https://github.com/bitcoin-core/secp256k1/pull/461

Network Events
Coinbase Fee Bug
https://twitter.com/hrdng/status/886193347563487232
https://twitter.com/hrdng/status/886744491566223361

Fee Spam Attack
https://mobile.twitter.com/i/moments/885827802775396352

Bitcoin ABC Node Crash
https://www.reddit.com/r/btc/comments/6n7hju/are_bitcoin_abc_nodes_under_attack/

Lightning Network
Mobile Lightning wallet demo -
https://www.youtube.com/watch?v=yNFfUfyL2xE

Lightning Apps and the Emerging Developer Ecosystem on LND
http://lightning.community/software/lnd/lightning/2017/07/05/emerging-lightning-developer-ecosystem/

Privacy
Under the hood: NTumbleBit
https://github.com/NTumbleBit/NTumbleBit/wiki/Under-the-Hood

Privacy and Schnorr Signatures
https://medium.com/@nopara73/privacy-and-schnorr-signatures-e2175d27f022

Neutrino - The Privacy Preserving Bitcoin Light Client
https://www.youtube.com/watch?v=7FWKc8lM4Ek

Hardware Wallets and Joinmarket
https://github.com/JoinMarket-Org/joinmarket/issues/537#issuecomment[masked]

Zero Knowledge Contingent Service Payments (ZKCSP) over Bitcoin
https://github.com/matteocam/zkcsp-over-bitcoin

ZKP In Action
https://www.youtube.com/watch?v=bD-xTQ0_2nA

Ethereum
Issues with Solidity
https://news.ycombinator.com/item?id=14691212

Frontrunning Bancor
http://www.swende.se/blog/Frontrunning.html

Calculating Coasts in Ethereum Smart Contracts
https://hackernoon.com/ether-purchase-power-df40a38c5a2f

How to attack the Ethereum network using a malicious ICO
https://www.reddit.com/r/ethereum/comments/6iw2c8/how_to_attack_the_ethereum_network_using_a/

Analyzing the ERC20 Short Address Attack
https://ericrafaloff.com/analyzing-the-erc20-short-address-attack/

Bancor is Flawed
http://hackingdistributed.com/2017/06/19/bancor-is-flawed/

Misc.
Post's Theorem and Blockchain Languages
https://www.youtube.com/watch?v=TGE6jrVmt_I
https://np.reddit.com/r/Bitcoin/comments/4pdx6k/comparison_between_bitcoin_and_ethereums/d4lerhw/

Elliptic Curve Cryptography Tutorial
https://www.johannes-bauer.com/compsci/ecc/

Bitcoin Resources
https://sites.google.com/site/bitcoinsig/resources

Bitcoin mining on a vintage Xerox Alto: very slow at 1.5 hashes/second
http://www.righto.com/2017/07/bitcoin-mining-on-vintage-xerox-alto.html

HashCash
http://hashcash.com/

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1500486060000, - "duration": 7200000, - "id": "241848269", - "name": "Debate Series 6: On Segwit2x and UASFs", - "rsvp_limit": 169, - "date_in_series_pattern": false, - "status": "past", - "time": 1501110000000, - "local_date": "2017-07-26", - "local_time": "19:00", - "updated": 1501412882000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 165, - "venue": { - "id": 25294234, - "name": "PWC", - "lat": 40.75265121459961, - "lon": -73.98007202148438, - "repinned": false, - "address_1": "300 Madison Avenue", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/241848269/", - "description": "

You MUST include your full name for security. You will not be allowed entry without doing so. There is a special security question where you can include your full name if it is not displayed on your meetup profile.

If you can't make it to the main event please join us at Cock and Bull around 9:30PM

We have reached another milestone in the scaling debate. A BIP 9 compliant activation scheme (BIP 91) has locked in Segwit (BIP 141); we will see it activate in the coming weeks. The question remains if the community should immediately seek an increase in the maximum weight of the block as an addition to the capacity increase provided by Segwit. During this debate we will primarily explore this question and also touch on the underpinnings of User Activated Soft Forks (UASFs), a soft fork activation scheme.

1) UASFs forgo miner coordination (signaling) for a flag day activation scheme. This could lead to forking scenarios (and possible wipeouts). Should this style activation scheme be utilized for contentious soft fork proposals?

2) Segwit2x must be fully written, tested and deployed in 3 months. Is this enough time? If not, what are the possible dangers?

3) Segwit provides a gradual increase in capacity proportional to the number of segwit transactions in a block. Should we first see the effects of Segwit on the fee market and miner incentives before we bundle it with another change which also effects these things?

4) Segwit2x is a controversial technical change, is it worth the risk? If so, why?

5) Segwit2x does not use the nVersion hard fork bit, SPV clients are not required to upgrade. Are the dangers of funds loss worth the convenience?

6) If we are already doing a hard fork, should we bundle it with other improvements even if it means delaying it? (e.g. spoonnet)

7) Some argue that Bitcoin's security model is reliant on full blocks to avoid dangerous fee sniping scenarios. Do you agree or disagree?

8) Some argue that Bitcoin needs a block size increase to survive and compete against alt coins. Do you agree or disagree?

", - "visibility": "public" - }, - { - "created": 1502210896000, - "duration": 7200000, - "id": "242383995", - "name": "Socratic Seminar 71 + Segwit Activation Party", - "rsvp_limit": 160, - "date_in_series_pattern": false, - "status": "past", - "time": 1503442800000, - "local_date": "2017-08-22", - "local_time": "19:00", - "updated": 1503460870000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 156, - "venue": { - "id": 24841675, - "name": "Galvanize - West SoHo", - "lat": 40.72638702392578, - "lon": -74.0077896118164, - "repinned": false, - "address_1": "315 Hudson Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/242383995/", - "description": "

If you can't make it to the main event please join us for a Segwit Activation Party at Westville Hudson around 9:30PM.

Thanks to Chaincode Labs for food and our location sponsor Galvanize:

Discussion topics

Bitcoin Core[masked]rc2
https://github.com/bitcoin/bitcoin/releases/tag/v0.15.0rc2
https://github.com/bitcoin/bitcoin/blob/v0.15.0rc2/doc/release-notes.md

Pull Requests
https://github.com/bitcoin/bitcoin/pull/10526
https://github.com/bitcoin/bitcoin/pull/11031
https://github.com/bitcoin/bitcoin/pull/10994
https://github.com/bitcoin/bitcoin/pull/10996
https://github.com/bitcoin/bitcoin/pull/11049
https://github.com/bitcoin/bitcoin/pull/10984
https://github.com/bitcoin/bitcoin/pull/10982

[bitcoin-dev] Fwd: [Lightning-dev] Lightning in the setting of blockchain hardforks
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-August/014835.html

[bitcoin-dev] [BIP Proposal] Partially Signed Bitcoin Transaction (PSBT) format
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-August/014838.html

Invalid 1Hash Blocks
https://bitcointalk.org/index.php?topic=2041607.msg20330478#msg[masked]
https://pastebin.com/raw/t0qiBaEW

Segwit Activation
[]
https://www.reddit.com/r/Bitcoin/comments/5ar38a/can_someone_explain_segwit_transaction_composition/d9jga6y/
https://www.reddit.com/r/btc/comments/6qfry8/psa_bitcoin_used_to_have_safe_zeroconfirmation/dkx8lxp/

UAHF/Bitcoin Cash
https://github.com/Bitcoin-ABC/bitcoin-abc/blob/master/doc/abc/uahf-technical-spec.md
https://github.com/Bitcoin-ABC/bitcoin-abc/blob/master/doc/abc/replay-protected-sighash.md

Statistics
https://cash.coin.dance/
http://fork.lol/
https://www.btcforkmonitor.info/
https://blockchair.com/bitcoin-cash/blocks
btc.com

Bitcoin Cash Difficulty Adjustment Issues
https://www.reddit.com/r/Bitcoin/comments/6v1knn/bitmain_has_apparently_moved_170ph_into_bch_may/dlx3pu6/?context=3

Lightning Network
Lightning Developer Docs
http://dev.lightning.community/

Announcing Eclair Wallet
https://medium.com/@ACINQ/announcing-eclair-wallet-a8d8c136fc7e

Announcing Zap: A Lightning Network Wallet
https://medium.com/@JimmyMow/announcing-zap-a-lightning-network-wallet-47622acd89fb

Concurrency and Privacy with Payment-Channel Networks
https://www.cs.purdue.edu/homes/pmorenos/public/paychannels.pdf

Discreet Log Contracts
https://www.youtube.com/watch?v=FU-rA5dkTHI

Info Sec
A Modified Version of a Common Multisig Had A Vulnerability
https://www.reddit.com/r/ethereum/comments/6obofq/a_modified_version_of_a_common_multisig_had_a/?st=j5c3rbkk&sh=464816f8

Augur REP Token Critical Vulnerability Disclosure
https://blog.zeppelin.solutions/augur-rep-token-critical-vulnerability-disclosure-3d8bdffd79d2

Fixing physical memory access issue in TREZOR – TREZOR Blog
https://blog.trezor.io/fixing-physical-memory-access-issue-in-trezor-2b9b46bb4522

Solidity
https://news.ycombinator.com/item?id=14810008

Parity Multisig Hack
https://press.swarm.city/parity-multisig-wallet-exploit-hits-swarm-city-funds-statement-by-the-swarm-city-core-team-d1f3929b4e4e
https://blog.zeppelin.solutions/on-the-parity-wallet-multisig-hack-405a8c12e8f7

Misc. Research
Confidential Transactions from Basic Principles
https://cryptoservices.github.io/cryptography/2017/07/21/Sigs.html

Could SPV Support a Billion Bitcoin Users? Sizing up a Scaling Claim
https://www.coindesk.com/spv-support-billion-bitcoin-users-sizing-scaling-claim/

Z-Channel: Scalable and Efficient Scheme in Zerocash
https://eprint.iacr.org/2017/684

The price of anonymity: empirical evidence from a market for Bitcoin anonymization - 2017.pdf
https://academic.oup.com/cybersecurity/article/doi/10.1093/cybsec/tyx007/4057584/The-price-of-anonymity-empirical-evidence-from-a

Introducing ZeroLink — The Bitcoin Fungibility Framework
https://medium.com/@nopara73/introducing-zerolink-the-bitcoin-fungibility-framework-dc5338086198

On the Necessity ofa Prescribed Block Validity Consensus:Analyzing Bitcoin Unlimited Mining Protocol
https://eprint.iacr.org/2017/686.pdf

Plasma: Scalable Autonomous Smart Contracts
https://www.plasma.io/plasma.pdf

How segwit changes TumbleBit
https://medium.com/@nicolasdorier/how-segwit-change-tumblebit-93de66714070

Misc. Core History
https://www.reddit.com/r/btc/comments/6p076l/segwit_only_allows_170_of_current_transactions/dkmugw5/
https://medium.com/@jfnewbery/what-did-bitcoin-core-contributors-ever-do-for-us-39fc2fedb5ef

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1503607696000, - "duration": 7200000, - "id": "242805794", - "name": "Socratic Seminar 72", - "rsvp_limit": 200, - "date_in_series_pattern": false, - "status": "past", - "time": 1505862000000, - "local_date": "2017-09-19", - "local_time": "19:00", - "updated": 1506434655000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 197, - "venue": { - "id": 24841675, - "name": "Galvanize - West SoHo", - "lat": 40.72638702392578, - "lon": -74.0077896118164, - "repinned": false, - "address_1": "315 Hudson Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/242805794/", - "description": "

If you can't make it to the main event please join us at Westville Hudson around 9:30PM. Thanks to our sponsors Chaincode Labs and Galvanize for food and event space.

Presentation: Russ Yanofsky - Process Separation in Bitcoin Core

Discussion Topics :

Bitcoin Core[masked] Released
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-September/015003.html
https://www.youtube.com/watch?v=nSRoEeqYtJA
https://bitcointechtalk.com/whats-new-in-bitcoin-core-v0-15-part-1-21085f4467fc
https://bitcointechtalk.com/whats-new-in-bitcoin-core-v0-15-part-2-41b6d0493136
https://bitcointechtalk.com/whats-new-in-bitcoin-core-v0-15-part-3-50c42125625e
https://bitcointechtalk.com/whats-new-in-bitcoin-core-v0-15-part-4-7c01c553783e
https://bitcointechtalk.com/whats-new-in-bitcoin-core-v0-15-part-5-6a9cfa85821f

Pull Requests
https://github.com/bitcoin/bitcoin/pull/11201
https://github.com/bitcoin/bitcoin/pull/11200
https://github.com/bitcoin/bitcoin/pull/11256
https://github.com/bitcoin/bitcoin/pull/11299
https://github.com/bitcoin/bitcoin/pull/11359
https://github.com/bitcoin/bitcoin/pull/11194
https://github.com/bitcoin/bitcoin/pull/11167
https://github.com/bitcoin/bitcoin/pull/11178
https://github.com/bitcoin/bitcoin/commit/d745b4cf7b0946184992d741b286bfdd28c68453
https://github.com/bitcoin/bitcoin/commit/bc561b4b7d6a3f71649d37d5eb9047c29efa2b13
https://github.com/bitcoin/bitcoin/pull/11100

Core Dev Yearly Meeting Transcripts
http://diyhpl.us/wiki/transcripts/bitcoin-core-dev-tech/

[bitcoin-dev] BIP114 Merklized Script update and 5 BIPs for new script functions
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg06022.html

[bitcoin-dev] Merkle branch verification & tail-call semantics for generalized MAST
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg05991.html

Network Stats
btc.com

Mempool Stats
https://twitter.com/murchandamus/status/904397664522977281
https://jochen-hoenicke.de/queue/#30d
https://p2sh.info/dashboard/db/fee-estimation?orgId=1

Segwit Stats
segwit.party/charts
https://imgur.com/a/15ipE
https://blockchain.info/block/000000000000000000e6bb2ac3adffc4ea06304aaf9b7e89a85b2fecc2d68184
https://www.reddit.com/r/Bitcoin/comments/6zwbye/transactions_are_getting_cheaper_segwit_now_on/dmyw09w/
https://twitter.com/pwuille/status/900538235956244480

Breaking Bitcoin
https://breaking-bitcoin.com/
https://www.youtube.com/channel/UCCP7NPTxVrt01-FlSiWYSzQ

Vulnerability Disclosure
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg06036.html
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg06031.html
https://www.reddit.com/r/btc/comments/6z827o/chris_jeffrey_jj_discloses_bitcoin_attack_vector/dmtrf34/

Lightning Network
Testnet LN Node Graph
https://twitter.com/JackMallers/status/905478797612515330

lnd v0.3-alpha
https://github.com/lightningnetwork/lnd/releases/tag/v0.3-alpha

Lightning Integration Tests
https://cdecker.github.io/lightning-integration/1ab19ffde3f4e0329c86c2b3513b74538a47282711b908f7e7d21cd83073193b.html

Towards a Unified Lightning Network
https://medium.com/@lightning_network/towards-a-unified-lightning-network-8c12cb35b83a

Lightning Payments on Testnet for Bitrefill
https://blog.bitrefill.com/lightning-payments-on-testnet-for-bitrefill-b3edac845654

Ride the Lightning: How to use the Lightning Network on the Bitcoin Mainnet
https://interfect.github.io/#!/posts/009-Ride-the-Lightning.md

Minecraft Bitcoin Lightning Network Payment Integration - YouTube
https://www.youtube.com/watch?v=I7qgYkd7Qsc

Starblocks | Spend bitcoin with LN on Testnet
https://starblocks.acinq.co/#/

Revive: Rebalancing Off-Blockchain Payment Networks
https://eprint.iacr.org/2017/823.pdf

MimbleWimble: TX broadcasting & privacy issues
https://www.reddit.com/r/Mimblewimble/comments/6x7m1k/tx_broadcasting_privacy_issues/

Misc.
Bitcoin Cash: [Bitcoin-ml] Difficulty adjustment
https://lists.linuxfoundation.org/pipermail/bitcoin-ml/2017-August/000129.html
https://www.reddit.com/r/btc/comments/6wepge/zhuo_er_jiang_head_of_btctop_and_the_recent/

Release for segwit (joinmarket-cs codebase)
https://github.com/JoinMarket-Org/joinmarket-clientserver/releases
https://www.reddit.com/r/joinmarket/comments/6vy3ut/release_for_segwit_joinmarketcs_codebase/

Saving up to 80% on Bitcoin transaction fees by batching payments
https://bitcointechtalk.com/saving-up-to-80-on-bitcoin-transaction-fees-by-batching-payments-4147ab7009fb

Research
Merged Mining: Curse or Cure?
https://eprint.iacr.org/2017/791.pdf

BlockSci: Design and applications of a blockchain analysis platform
https://arxiv.org/pdf/1709.02489.pdf

Monopoly without a Monopolist: An Economic Analysis of the Bitcoin Payment System
http://www.columbia.edu/~jl4130/BTC.pdf

Mt. Gox Stolen Coins
https://gist.github.com/patio11/598ec35c6c1675c97d93383f41b39b0b

How to trace ransomware payments end-to-end
https://www.elie.net/blog/security/how-to-trace-ransomware-payments-end-to-end

Alt. Coins
Cryptographic vulnerabilities in IOTA
https://medium.com/@neha/cryptographic-vulnerabilities-in-iota-9a6a9ddc4367

Exploring Simpler Ethereum Multisig Contracts
https://medium.com/@ChrisLundkvist/exploring-simpler-ethereum-multisig-contracts-b71020c19037

On BitGo's Ethereum Multisig Wallet
https://www.youtube.com/watch?v=IWhox7OJFW0

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1506549126000, - "duration": 7200000, - "id": "243723594", - "name": "Socratic Seminar 73", - "date_in_series_pattern": false, - "status": "past", - "time": 1508281200000, - "local_date": "2017-10-17", - "local_time": "19:00", - "updated": 1508344610000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 194, - "venue": { - "id": 24841675, - "name": "Galvanize - West SoHo", - "lat": 40.72638702392578, - "lon": -74.0077896118164, - "repinned": false, - "address_1": "315 Hudson Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/243723594/", - "description": "

If you can't make it to the main event please join us at Westville Hudson around 9:30PM. Thanks to our sponsors Galvanize and Chaincode Labs (they're doing a residency program!) for event space and food and refreshments.

Discussion Topics:

Pull Requests
https://github.com/bitcoin/bitcoin/pull/11457
https://github.com/bitcoin/bitcoin/pull/11497
https://github.com/bitcoin/bitcoin/pull/11383
https://github.com/bitcoin/bitcoin/pull/11398
https://github.com/bitcoin/bitcoin/pull/11403
https://github.com/bitcoin/bitcoin/pull/11458
https://github.com/bitcoin/bitcoin/pull/11466
https://github.com/bitcoin/bitcoin/pull/11457
https://github.com/bitcoin/bitcoin/issues/11449
https://github.com/bitcoin/bitcoin/pull/11456 (merged)
https://github.com/bitcoin/bitcoin/pull/11377
https://github.com/bitcoin/bitcoin/pull/11167
https://github.com/bitcoin/bitcoin/pull/11113 (/merged)

[masked]
https://github.com/bitcoin/bitcoin/pull/11487
https://github.com/bitcoin/bitcoin/pull/11490
https://github.com/bitcoin/bitcoin/pull/11446

2x
https://github.com/btc1/bitcoin/pull/134
https://github.com/btc1/bitcoin/commit/a3c41256984bf11d95a560ae89c0fcbadfbe73dc
https://www.reddit.com/r/Bitcoin/comments/745jlm/segwit2x_merges_in_optin_transaction_replay/

Network stats
http://btc.com
segwit.party/charts
https://jochen-hoenicke.de/queue/#30d
https://esotericnonsense.com/

What is a Bitcoin Merklized Abstract Syntax Tree (MAST)?
https://bitcointechtalk.com/what-is-a-bitcoin-merklized-abstract-syntax-tree-mast-33fdf2da5e2f

Making MAST Meaningful; Bitcoin Atomic Swaps Become Private
https://medium.com/@BrianDeery/making-mast-meaningful-bitcoin-atomic-swaps-become-private-ff003f7c2b7a

Flipping the scriptless script on Schnorr
https://joinmarket.me/blog/blog/flipping-the-scriptless-script-on-schnorr/

Joinmarket-clientserver 0.3.1
https://github.com/JoinMarket-Org/joinmarket-clientserver/blob/master/docs/release-notes/release-notes-0.3.1.md

bitcoind-ncurses
https://www.reddit.com/r/Bitcoin/comments/73n6ri/bitcoindncurses_a_terminal_frontend_for_bitcoind/dnrjdba/

Lightning Network
Lightning Desktop App, Now Available for Testing
http://blog.lightning.engineering/announcement/2017/10/12/test-blitz.html

HTLC Web Wallet
https://htlc.me/

Y'alls: Read and write articles, with Lightning Network micropayments.
https://yalls.org/

Node Topology
https://imgur.com/a/37hA2

Research
Redesigning Bitcoin's Fee Market
https://arxiv.org/abs/1709.08881
https://www.reddit.com/r/Bitcoin/comments/72qi2r/redesigning_bitcoins_fee_market_a_new_paper_by/dnkjslw/?context=3

Proofs-of-proofs-of-work
https://github.com/dionyziz/popow

InfoSec
KRACK
https://www.krackattacks.com/
https://blog.cryptographyengineering.com/2017/10/16/falling-through-the-kracks/amp/

Infineon weak on-chip key generation
https://www.infineon.com/cms/en/product/promopages/rsa-update/
https://www.yubico.com/support/security-advisories/ysa-2017-01/
https://arstechnica.com/information-technology/2017/10/crypto-failure-cripples-millions-of-high-security-keys-750k-estonian-ids/

EtherDelta Hack
https://hackernoon.com/how-one-hacker-stole-thousands-of-dollars-worth-of-cryptocurrency-with-a-classic-code-injection-a3aba5d2bff0

Ethereum Hard Fork
https://blog.ethereum.org/2017/09/14/geth-1-7-megara/
https://blog.ethereum.org/2017/10/12/byzantium-hf-announcement/
https://github.com/ethereum/go-ethereum/releases/tag/v1.7.2

Misc.
2x Countdown
https://bashco.github.io/2x_Countdown/

Butcoin Gold
https://bitcointechtalk.com/bitcoin-gold-what-you-need-to-know-8b3e645be409

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1508971718000, - "duration": 7200000, - "id": "244525390", - "name": "Debate Series 7: On the definition of Bitcoin during a contentious hard fork", - "rsvp_limit": 110, - "date_in_series_pattern": false, - "status": "past", - "time": 1510790400000, - "local_date": "2017-11-15", - "local_time": "19:00", - "updated": 1510854022000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 104, - "venue": { - "id": 2746121, - "name": "Union Square Ventures", - "lat": 40.73984146118164, - "lon": -73.99000549316406, - "repinned": false, - "address_1": "915 Broadway, 19th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "10010", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/244525390/", - "description": "

If you can't make it to the main event please join us at Live Bait around 9:30PM. Thanks to our sponsors Chaincode Labs (check out their residency program) and itBit (they're hiring) for food and refreshments.

The popularity of UTXO snapshot forks has increased greatly following the Bitcoin Cash hard fork. UTXO snapshot forks are caused by backwards incompatible modifications to consensus rules that preserve coin ownership. Traditionally, when clients modify consensus rules coin ownership is not preserved and the token is rebranded. However, in the context of a contentious hard fork, the question of which rule set is labeled Bitcoin remains.

We will explore this question and related subject matter. Here are some questions to prompt debate. Feel free to post others in the comments section below:

1) Should hashpower dictate naming (e.g. rules with majority hashrate preserves name)? 

2) If the original ruleset has minority hashpower, is attacked, and has to change POW, which is the real Bitcoin?

3) Is there a measurable threshold to determine if the original ruleset has been completely abandoned for the new chain? If so, how does this effect naming (and under what conditions)?

4) What responsibilities do custodial institutions have to their customers during contentious hard forks? For example, if a customer loses funds because they are sending funds between services that have different names for Bitcoin, who should be held accountable?

5) Should services that manage people's private keys be obligated to give users access to every UTXO snapshot fork? Is there some minimum threshold of value or requirement for replay protection?

6) If a contentious hard fork proposal does not implement replay protection, does that factor into naming?

7) Should futures market play any role in naming conventions?

", - "visibility": "public" - }, - { - "created": 1511550297000, - "duration": 7200000, - "id": "245365743", - "name": "Socratic Seminar 74", - "rsvp_limit": 200, - "date_in_series_pattern": false, - "status": "past", - "time": 1511913600000, - "local_date": "2017-11-28", - "local_time": "19:00", - "updated": 1512021810000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 200, - "venue": { - "id": 24841675, - "name": "Galvanize - West SoHo", - "lat": 40.72638702392578, - "lon": -74.0077896118164, - "repinned": false, - "address_1": "315 Hudson Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/245365743/", - "description": "

If you can't make it to the main event please join us at Westville Hudson around 9:30PM. Thanks to our sponsors Galvanize for event space and Chaincode Labs and Paxos (they're hiring!) for food and refreshments.

Discussion topics:

Bitcoin Core[masked] released
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-November/015277.html

Pull Requests
https://github.com/bitcoin/bitcoin/pull/11740
https://github.com/bitcoin/bitcoin/pull/11742
https://github.com/bitcoin/bitcoin/pull/11765
https://github.com/bitcoin/bitcoin/pull/11770
https://github.com/bitcoin/bitcoin/pull/11658
https://github.com/bitcoin/bitcoin/pull/11678
https://github.com/bitcoin/bitcoin/pull/11687
https://github.com/bitcoin/bitcoin/pull/11639
https://github.com/bitcoin/bitcoin/pull/11526 (merged)
https://github.com/bitcoin/bitcoin/pull/11580
https://github.com/bitcoin/bitcoin/pull/11466
https://github.com/bitcoin/bitcoin/pull/11568
https://github.com/bitcoin/bitcoin/pull/11531
https://github.com/bitcoin/bitcoin/pull/11560
https://github.com/bitcoin/bitcoin/pull/11490 (/merged)

[bitcoin-dev] Updates on Confidential Transactions efficiency
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-November/015283.html
http://web.stanford.edu/~buenz/pubs/bulletproofs.pdf
https://joinmarket.me/blog/blog/bulletpoints-on-bulletproofs/
https://www.reddit.com/r/Bitcoin/comments/7d5zbc/finally_real_privacy_for_bitcoin_transactions/dpvbocv/
https://www.reddit.com/r/Bitcoin/comments/7cs1zc/bulletproofs_a_radical_improvement_in_the/dpslyv8/

[bitcoin-dev] Making OP_CODESEPARATOR and FindAndDelete in non-segwit scripts non-standard
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-November/015292.html

[bitcoin-dev] Covenants through merkelized txids.
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-November/015274.html

[bitcoin-dev] BIP Proposal: Compact Client Side Filtering for Light Clients
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-November/015273.html

Segwit2x Bugs Explained
https://bitcointechtalk.com/segwit2x-bugs-explained-8e0c286124bc

How to Protect Against Replay Attacks – Bitcoin Tech Talk
https://bitcointechtalk.com/how-to-protect-against-replay-attacks-7a00bd2fe52f

Lightning Network
Connecting Blockchains: Instant Cross-Chain Transactions On Lightning
https://blog.lightning.engineering/announcement/2017/11/16/ln-swap.html

Release v0.1.2-alpha lightning-app
https://github.com/lightninglabs/lightning-app/releases/tag/v0.1.2alpha

LND Slack Tipping Bot
https://lnd-testnet-3.mably.com/

Scalable Funding of Blockchain Micropayment Networks.pdf
https://www.tik.ee.ethz.ch/file/a20a865ce40d40c8f942cf206a7cba96/Scalable_Funding_Of_Blockchain_Micropayment_Networks%20(1).pdf

MimbleWimble
grin for Bitcoiners
https://github.com/mimblewimble/grin/blob/master/doc/grin4bitcoiners.md

[WIP] tx now contains a kernel, step closer to supporting multiple kernel
https://github.com/mimblewimble/grin/pull/277

Sinking Signatures
https://www.reddit.com/r/Mimblewimble/comments/79t8la/sinking_signatures/dpsg1y0/

Misc.
Chainalysis Study
http://fortune.com/2017/11/25/lost-bitcoins/

Smart Contracting
http://diyhpl.us/~bryan/papers2/bitcoin/BC-2,%20Day%203_%20Smart%20Contracting.pdf

Strong Federations: Thresholds and Byzantine Security
http://diyhpl.us/~bryan/papers2/bitcoin/BC-2,%20Day%202_%20New%20Elements%20Features.pdf

Extensions to the Arm Architecture
https://community.arm.com/processors/b/blog/posts/introducing-2017s-extensions-to-the-arm-architecture#cryptographic

Interview with waxwing
https://www.youtube.com/watch?v=2ZPFGFQ_5lM&t=

Electrum 3.0 Release
https://github.com/spesmilo/electrum/releases/tag/3.0.0

Nobody Understands Bitcoin (And That's OK)
https://www.coindesk.com/nobody-understands-bitcoin-thats-ok/

SNICKER
https://joinmarket.me/blog/blog/snicker/

Research
Simplicity: A New Language for Blockchains
https://blockstream.com/2017/10/30/simplicity.html

Sharding PoW-based Blockchains via Proofs of Knowledge
https://eprint.iacr.org/2017/1067

ADSNARK: Nearly practical and privacy-preserving proofs on authenticated data.pdf
https://eprint.iacr.org/2014/617.pdf

Mempool optimized fees, and the correlation between user costs, miner incentives, and block capacity
https://bc-2.jp/mempool.pdf

Optimizing fee estimation via the mempool state
http://diyhpl.us/~bryan/papers2/bitcoin/Optimizing%20fee%20estimation%20via%20the%20mempool%20state%20-%202017%20-%20kallewoof.pdf

Incentive Compatibility of Pay Per LastNShares in Bitcoin Mining Pools
https://link.springer.com/chapter/10.1007/978-3-319-68711-7_2

Be Selfish and Avoid Dilemmas: Fork After Withholding (FAW) Attacks
https://acmccs.github.io/papers/p195-kwonA.pdf

Efficient Zero-Knowledge Arguments for Arithmetic Circuits in the Discrete Log Setting
https://eprint.iacr.org/2016/263.pdf

InfoSec
The Return of Coppersmith’s Attack: Practical Factorization of Widely Used RSA Moduli
https://acmccs.github.io/papers/p1631-nemecA.pdf

Parity Hack
https://paritytech.io/blog/security-alert.html
https://news.ycombinator.com/item?id=15645954

Tor's Fall Harvest: the Next Generation of Onion Services
https://blog.torproject.org/tors-fall-harvest-next-generation-onion-services#asn

TorMoil Vulnerability Leaks Real IP Address from Tor Browser Users
https://www.bleepingcomputer.com/news/security/tormoil-vulnerability-leaks-real-ip-address-from-tor-browser-users/

--

Please see event archives for historical discussion topics. Previous event.

", - "visibility": "public" - }, - { - "created": 1512006589000, - "duration": 7200000, - "id": "245514026", - "name": "Socratic Seminar 75", - "rsvp_limit": 200, - "date_in_series_pattern": false, - "status": "past", - "time": 1513728000000, - "local_date": "2017-12-19", - "local_time": "19:00", - "updated": 1514056282000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 198, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": false, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/245514026/", - "description": "

If you can't make it to the main event please join us at Westville Hudson (http://westvillenyc.com/specials-market/hudson/) around 9:30PM. Thanks to our sponsors Galvanize (https://www.galvanize.com/new-york) for event space and Chaincode Labs (http://chaincode.com) for food and refreshments.

Discussion Topics:
Issues/PRs
https://gist.github.com/sipa/125cfa1615946d0c3f3eec2ad7f250a2
https://github.com/bitcoin/bitcoin/pull/11892
https://github.com/bitcoin/bitcoin/pull/11770
https://github.com/bitcoin/bitcoin/pull/11802
https://github.com/bitcoin/bitcoin/pull/11904
https://github.com/bitcoin/bitcoin/issues/10603
https://github.com/bitcoin/bitcoin/pull/10637
(merged) https://github.com/bitcoin/bitcoin/pull/10275
https://github.com/bitcoin/bitcoin/pull/11740 (/merged)

[bitcoin-dev] Updates on Confidential Transactions efficiency
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-December/015346.html

Advances in Block Propagation Protocols
https://www.youtube.com/watch?v=EHIuuKCm53o&feature=youtu.be

Simplicity and Michelson
http://homepages.inf.ed.ac.uk/wadler/simplicity-and-michelson.html

CoreDev Event in NYC
https://coredev.tech/

Lightning Network
Cross-Implementation Lightning Payment on Bitcoin's Mainnet
https://www.youtube.com/watch?v=a73Gz3Tvx3k
https://medium.com/@lightning_network/lightning-protocol-1-0-compatibility-achieved-f9d22b7b19c4
https://blockstream.com/2017/12/06/lightning-spec-electrifies-bitcoin-with-release-candidate.html

Bitcoin's Lightning Network, Simply Explained!
https://www.youtube.com/watch?v=rrr_zPmEiME

Accept Lightning Payments at your Web Store
https://twitter.com/joaodealmeida94/status/936704579244347393/video/1

MimbleWimble
Grin Fundraise
http://grin-tech.org/funding.html

Podcast on Mimblewimble with Andrew Poelstra
https://lists.launchpad.net/mimblewimble/msg00372.html

Privacy/Info Sec
On the linkability of Zcash Transactions
http://jeffq.com/blog/on-the-linkability-of-zcash-transactions/

Bitcoin Gold Site Hacked
https://securityaffairs.co/wordpress/66161/hacking/bitcoin-gold-security-breach.html

Coin Control Is Must Learn If You Care About Your Privacy In Bitcoin
https://medium.com/@nopara73/coin-control-is-must-learn-if-you-care-about-your-privacy-in-bitcoin-33b9a5f224a2

JoinMarket vs ZeroLink
https://medium.com/@nopara73/joinmarket-vs-zerolink-972f0ce5eb3c

ZeroLink: Massive Scale CoinJoin Is About To Be Deployed
https://medium.com/@nopara73/zerolink-massive-scale-coinjoin-is-about-to-be-deployed-participate-in-the-final-test-and-earn-6225939d15fb

Misc.
[bitcoin-dev] Scalable Semi-Trustless Asset Transfer via Single-Use-Seals and Proof-of-Publication
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-December/015350.html

Bitcoin Script Debugger
https://github.com/kallewoof/btcdeb

Research
Obscuro: A Bitcoin Mixer using Trusted Execution Environments
http://eprint.iacr.org/2017/974

Strain: A Secure Auction for Blockchains
http://eprint.iacr.org/2017/1044

Analysis of the Bitcoin UTXO set
http://eprint.iacr.org/2017/1095

A formal model of Bitcoin transactions
http://eprint.iacr.org/2017/1124

Non-Interactive Proofs of Proof-of-Work
http://eprint.iacr.org/2017/963

Instantaneous Decentralized Poker
http://eprint.iacr.org/2017/875

--

Please see event archives for historical discussion topics. Previous event (https://www.meetup.com/BitDevsNYC/events/245365743/).

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THE EVENT HAS BEEN RESCHEDULED TO THE 17th. If you can't make it to the main event please join us at Westville Hudson around 9:30PM. Thanks to Galvanize and Chaincode labs for event space and food+refreshments.

- Discussion topics:
Meltdown & Spectre
https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html
https://engineering.coinbase.com/update-on-meltdown-and-spectre-45d344c47b5
https://www.ledger.fr/2018/01/04/meltdown-spectre-attacks-intel-amd-arm-risk/
https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/

Electrum Vulnerability
https://github.com/spesmilo/electrum/commit/a9973ce6ab60c21e8d074b1f0727d5dfc8ea7229
https://twitter.com/h43z/status/950080318601560066

Pull Requests
https://github.com/bitcoin/bitcoin/pull/12131
https://github.com/bitcoin/bitcoin/pull/12132
https://github.com/bitcoin/bitcoin/pull/11605

[bitcoin-dev] Decoupling BIP70 Payment Protocol from Wallets
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg06549.html

Progress BIP173 to Proposed
https://github.com/bitcoin/bips/pull/627

What are Channel Factories and how do they work?
https://bitcoin.stackexchange.com/questions/67158/what-are-channel-factories-and-how-do-they-work/67187#67187

Understanding Simplicity: implementing a smart contract language in 30 lines of Haskell
https://medium.com/@danrobinson/understanding-simplicity-implementing-a-smart-contract-language-in-30-lines-of-haskell-827521bfeb4d

Lost mining reward
https://www.reddit.com/r/Bitcoin/comments/7n1ie5/someone_destroyed_125_newly_mined_bitcoins/drya5aa/

Bad Fee Estimation
https://imgur.com/a/nRfwl

Coinbase $3.5mil Unspendable UTXOs
https://twitter.com/LaurentMT/status/943624312304611329

Ivy for Bitcoin: a smart contract language that compiles to Bitcoin Script
https://blog.chain.com/ivy-for-bitcoin-a-smart-contract-language-that-compiles-to-bitcoin-script-bec06377141a

Some updates on joinmarket-clientserver : joinmarket
https://www.reddit.com/r/joinmarket/comments/7m422w/some_updates_on_joinmarketclientserver/

How Zebpay reduced bitcoin transaction fees
https://blog.zebpay.com/how-zebpay-reduced-bitcoin-transaction-fees-a9e24c788598

MimbleWimble support in Elements + POW-merge-mined Elements sidechain
https://www.reddit.com/r/BitcoinDiscussion/comments/7lotc0/batching_all_the_transactions_in_a_block_into_1/drok8u2/

Misc.
On December 29th, lots of coins went missing on the XRP (Ripple) network
https://medium.com/@slinafirinne/on-december-29th-lots-of-coins-went-missing-on-the-xrp-ripple-network-a1655e8d636d

Cross-chain Bitcoin & Monero Atomic Swap
https://github.com/GuggerJoel/XMR-BTC-atomic

Noded
https://soundcloud.com/noded-bitcoin-podcast/noded-060-with-john-newbery
https://soundcloud.com/noded-bitcoin-podcast/noded-050-with-jack-mallers
https://soundcloud.com/noded-bitcoin-podcast/noded-010 (David Harding)

WannaCry: End of Year Retrospective
https://blog.kryptoslogic.com/malware/2017/12/20/end-of-year.html

How Ethereum Occasionally Backdoored the Official Wallet
https://medium.com/@homakov/how-ethereum-occasionally-backdoored-the-official-wallet-c11d1d4199f3

Massive Brute-Force Attack Infects WordPress Sites with Monero Miners
https://www.bleepingcomputer.com/news/security/massive-brute-force-attack-infects-wordpress-sites-with-monero-miners/

--

Please see event archives for historical discussion topics.

", - "visibility": "public" - }, - { - "created": 1517939264000, - "duration": 7200000, - "id": "247548674", - "name": "Socratic Seminar 77", - "date_in_series_pattern": false, - "status": "past", - "time": 1518480000000, - "local_date": "2018-02-12", - "local_time": "19:00", - "updated": 1518531499000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 184, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": false, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/247548674/", - "description": "

Presentation:
Felix Weis - Mempool-flow based fee estimation

Discussion topics:
Bitcoin Core[masked]rc3
https://github.com/bitcoin/bitcoin/releases/tag/v0.16.0rc3

Pull Requests
https://github.com/bitcoin/bitcoin/pull/12196
https://github.com/bitcoin/bitcoin/pull/12254
https://github.com/bitcoin/bitcoin/pull/12296
https://github.com/bitcoin/bitcoin/pull/12360
https://github.com/bitcoin/bitcoin/pull/12404
(merged) https://github.com/bitcoin/bitcoin/pull/12213
https://github.com/bitcoin/bitcoin/pull/12210
https://github.com/bitcoin/bitcoin/pull/12118

[bitcoin-dev] New Bitcoin Core macOS signing key
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-February/015698.html

[bitcoin-dev] Taproot: Privacy preserving switchable scripting
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-January/015614.html

[bitcoin-dev] Graftroot: Private and efficient surrogate scripts under the taproot assumption
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-February/015700.html

[bitcoin-dev] ScriptPubkey consensus translation
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-January/015580.html

Network Stats
https://outputs.today/
https://coinmetrics.io/charts/

Lightning Network
lnd Pull Requests
https://github.com/lightningnetwork/lnd/pull/751
https://github.com/lightningnetwork/lnd/pull/747
https://github.com/lightningnetwork/lnd/pull/737
https://github.com/lightningnetwork/lnd/pull/676,

[Lightning-dev] AMP: Atomic Multi-Path Payments over Lightning
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-February/000993.html

[Lightning-dev] QuickMaths for Onions: Linear Construction of Sphinx Shared-Secrets
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-February/000981.html

LN Network Graphs + Statistics
http://86.24.91.84:3012/
http://lnstat.ideoflux.com:3000/dashboard/db/lightning-network?refresh=5m&orgId=1
https://lnmainnet.gaben.win/

Zap Wallet Beta Release
https://medium.com/@JimmyMow/announcing-zap-beta-release-346b5100376e

Hardening Lightning
https://www.youtube.com/watch?v=V3f4yYVCxpk

Settling Payments Fast and Private: Efficient Decentralized Routing
https://www.youtube.com/watch?v=WjroQE_tWr0

Research
Financial Crypto 18
https://fc18.ifca.ai/bitcoin/schedule.html

Bulletproofs (new version of paper)
https://twitter.com/benediktbuenz/status/961468224230473728
https://www.pscp.tv/w/1mnxerNaNkLKX (Andrew Poelstra presentation)
https://www.youtube.com/watch?v=gZjDKgR4dw8

When A Small Leak Sinks A Great Ship: Deanonymizing Tor Hidden Service Users Through Bitcoin Transactions Analysis
http://arxiv.org/abs/1801.07501

Key Aggregation for Schnorr Signatures
https://blockstream.com/2018/01/23/musig-key-aggregation-schnorr-signatures.html
https://www.youtube.com/watch?v=oTsjMz3DaLs

Future Technological Directions in Bitcoin
https://www.youtube.com/watch?v=VABppufTdpA
https://docs.google.com/document/d/1iNzJtJRq9-0vdILQAe9Bcj7r1a7xYVf8CSY0_oFrH9c/edit#heading=h.e1bqupm0w459

The DCS Theorem
https://arxiv.org/abs/1801.04335

Zero knowledge, subversion resistance, and concrete attacks
https://www.youtube.com/watch?v=DP8xSEM9bd8

Simplicity: A New Language for Blockchains
https://www.youtube.com/watch?v=VOeUq3oR2fk

State-of-the-art Attacks on Secure Hardware Wallets
https://www.youtube.com/watch?v=VgIPR37glPM

Misc.
Electrum 3.1 Release
https://github.com/spesmilo/electrum/blob/4b4ad22e905b8596195336cde0ac50be0d737c85/RELEASE-NOTES

[bitcoin-dev] Electrum Personal Server alpha release
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-February/015707.html

The Challenges of Building Ethereum Infrastructure
https://medium.com/@lopp/the-challenges-of-building-ethereum-infrastructure-87e443e47a4b

If you can't make to the main event please join us at Westville Hudson around 9:30PM. Thanks to our sponsors Galvanize and Chaincode Labs for event space and food+refreshments.

", - "visibility": "public" - }, - { - "created": 1519765898000, - "duration": 7200000, - "id": "248236538", - "name": "Whitepaper Series 10: A History of Payment Channels", - "rsvp_limit": 125, - "date_in_series_pattern": false, - "status": "past", - "time": 1521068400000, - "local_date": "2018-03-14", - "local_time": "19:00", - "updated": 1521081902000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 111, - "venue": { - "id": 25749455, - "name": "Ernst & Young", - "lat": 40.73435974121094, - "lon": -73.99114227294922, - "repinned": false, - "address_1": "841 Broadway", - "city": "New York", - "country": "US", - "localized_country_name": "USA" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/248236538/", - "description": "

This is the first event in multi part series which will cover payment channels and the Lightning Network.

This event will focus on the history of payment channels. We will discuss the scaling issues Bitcoin is faced with, the early attempts to address those issues and the progression of upgrades to the Bitcoin protocol which ultimately enabled the advent of Duplex and Lightning Network payment channels. Once we have a solid foundational understanding we will look at two party bidirectional payment channel constructions in the Poon-Dryja and Decker-Wattenhofer channels. We will not be discussing their constructions in the multi-hop scenario, that will be reserved of a future event.

Please come prepared to discuss the following:
Payment channels - Bitcoin Wiki
https://en.bitcoin.it/wiki/Payment_channels

Channel malleability
https://bitcoin.stackexchange.com/questions/48243/are-micropayment-channels-still-subject-to-malleability-after-bip65#48546

BIP-65 CLTV
https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki

BIP-68 Relative lock time
https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki

Lightning Dev Resources
http://dev.lightning.community/resources/index.html

Deployable Lightning
https://github.com/ElementsProject/lightning/blob/master/doc/deployable-lightning.pdf

Duplex channels by Decker
https://www.youtube.com/watch?v=s-De7N3ctI4

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If you can't make it to the main event please join us at Westville Hudson around 9:30PM. Thanks to Chaincode Labs and Galvanize for event space and food+refreshments.

Discussion topics:

Bitcoin Core[masked] Final Release
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg06847.html

Bitcoin Core Pull Requests
https://github.com/bitcoin/bitcoin/pull/12560
https://github.com/bitcoin/bitcoin/pull/12565
https://github.com/bitcoin/bitcoin/pull/12610
https://github.com/bitcoin/bitcoin/pull/12653
https://github.com/bitcoin/bitcoin/pull/12656
https://github.com/bitcoin/bitcoin/pull/12699
https://github.com/bitcoin/bitcoin/pull/12705
https://github.com/bitcoin/bitcoin/pull/12709
https://github.com/bitcoin/bitcoin/pull/12714
(merged) https://github.com/bitcoin/bitcoin/pull/10637
https://github.com/bitcoin/bitcoin/pull/12626
https://github.com/bitcoin/bitcoin/pull/11687
https://github.com/bitcoin/bitcoin/pull/10583
https://github.com/bitcoin/bitcoin/pull/11882
https://github.com/bitcoin/bitcoin/pull/10387
https://github.com/bitcoin/bitcoin/pull/10579 (/merged)

Making Bitcoin Fast: Introduction
https://eklitzke.org/making-bitcoin-fast-introduction

Transcripts from Core Dev Tech
http://diyhpl.us/wiki/transcripts/bitcoin-core-dev-tech/

AsicBoost DPL
https://www.asicboost.com/blog/

A candidate heuristic for covert ASICBoost detection on-chain
https://pdaian.com/blog/a-candidate-heuristic-for-covert-asicboost-detection-on-chain/

DragonMint Bitcoin miner implements “version-rolling” AsicBoost
https://halongmining.com/blog/2018/03/07/dragonmint-btc-miner-uses-version-rolling-asicboost/

UTXO Set Consolidation
https://twitter.com/murchandamus/status/968540663342968832

Why Is It Taking 20 Minutes to Mine This Bitcoin Block?
http://r6.ca/blog/20180225T160548Z.html

rust-bitcoin (rust-lightning, rust-bitcoin-spv, and others)
https://github.com/rust-bitcoin

Bitcoin Academic Research
A New Approach to Deanonymization of Unreachable Bitcoin Nodes
https://eprint.iacr.org/2018/243

Exploiting transaction accumulation and double spends for topology inference in bitcoin
https://fc18.ifca.ai/bitcoin/papers/bitcoin18-final10.pdf

Improving Bitcoin's Resilience to Churn
http://arxiv.org/abs/1803.06559v1

Lightning Network
lnd Pull Requests
https://github.com/lightningnetwork/lnd/pull/796
https://github.com/lightningnetwork/lnd/pull/840
https://github.com/lightningnetwork/lnd/pull/846
https://github.com/lightningnetwork/lnd/pull/881
https://github.com/lightningnetwork/lnd/pull/904
https://github.com/lightningnetwork/lnd/pull/893
(merged) https://github.com/lightningnetwork/lnd/pull/777
https://github.com/lightningnetwork/lnd/pull/665
https://github.com/lightningnetwork/lnd/pull/769
https://github.com/lightningnetwork/lnd/pull/719

WIP: Channel range queries
https://github.com/lightningnetwork/lightning-rfc/pull/392

lnd 0.4.0 Beta Released
http://blog.lightning.engineering/announcement/2018/03/15/lnd-beta.html

Eclair Release
https://twitter.com/acinq_co/status/976145846738833409

Adding “Data loss protection” to eclair
https://medium.com/@ACINQ/adding-data-loss-protection-to-eclair-598c62494096

Lightning Network Explorer
https://graph.lndexplorer.com/

Robtex LN
https://www.robtex.com/lightning/

Lightning Network Search and Analysis Engine
https://1ml.com/#search

Privacy in Lightning FAQ
https://snyke.net/post/privacy-in-lightning/

Post Schnorr Lightning Transactions
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-February/001031.html
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-March/001075.html

Lightning Network and Discreet Log Contracts
https://www.youtube.com/watch?v=c4slzFdykpc

MimbleWimble
Dandelion relay and aggregation for transactions
https://github.com/mimblewimble/grin/issues/706

Switch Commits / Bulletproofs - Status
https://github.com/mimblewimble/grin/issues/734

Scriptless Scripts
https://medium.com/@Bitcom21/crypto-innovation-spotlight-2-scriptless-scripts-306c4eb6b3a8

Privacy on the Blockchain with MimbleWimble
https://soundcloud.com/mindtomatter/ltb-356-privacy-on-the

Misc.

Bitcoin Addresses on OFAC List?

https://www.treasury.gov/resource-center/faqs/Sanctions/Pages/faq_compliance.aspx#vc_faqs

Noded[masked] with Murch
https://soundcloud.com/noded-bitcoin-podcast/noded-0100-with-murch

Updates to BlockSci
https://freedom-to-tinker.com/2018/03/15/whats-new-with-blocksci-princetons-blockchain-analysis-tool/

bitcoinFeeStatistics
https://github.com/fresheneesz/bitcoinFeeStatistics

WhatTheFee.io - bitcoin feerate estimation
https://whatthefee.io/

Covert ECDH over secp256k1
https://gist.github.com/sipa/29118d3fcfac69f9930d57433316c039

Bitcoin Unlimited Node Count Drops
https://twitter.com/lopp/status/965261773677912065

Privacy
From Zero Knowledge Proofs to Bulletproofs Paper
https://joinmarket.me/blog/blog/from-zero-knowledge-proofs-to-bulletproofs-paper/

Monero RCT Report
https://github.com/kurtmagnus/Monero-RCT-report/

Snarks, Starks And BulletProofs Andrew Polestra, Pieter Wuille, Benedikt Bunz by The Crypto Show
https://soundcloud.com/heryptohow/snarks-starks-and-bulletproofs-andrew-polestra-pieter-wuille-benedikt-bunz

Bobwallet - Trustless Bitcoin Privacy Wallet
https://github.com/BobWallet/BobWallet

Blockstream - Bulletproofs: Faster Rangeproofs and Much More
https://blockstream.com/2018/02/21/bulletproofs-faster-rangeproofs-and-much-more.html

musig implementation
https://github.com/tnakagawa/musig

InfoSec
SGX Spectre
http://web.cse.ohio-state.edu/%7Ezhang.834/papers/SgxPectre.pdf

Ledger
https://saleemrashid.com/2018/03/20/breaking-ledger-security-model/
https://www.ledger.fr/2018/03/20/firmware-1-4-deep-dive-security-fixes/

Trezor
https://blog.trezor.io/trezor-one-firmware-update-1-6-1-eecd0534ab95

A first look at browser-based Cryptojacking
http://arxiv.org/abs/1803.02887

Stake-Bleeding Attacks on Proof-of-Stake Blockchains
https://eprint.iacr.org/2018/248

“Major key alert!” Anomalous keys in Tor relays
https://fc18.ifca.ai/preproceedings/83.pdf

IOTA Signatures, Private Keys and Address Reuse?
http://blog.lekkertech.net/blog/2018/03/07/iota-signatures/

iota-transaction-spammer-webapp/replay attack.md
https://github.com/joseph14/iota-transaction-spammer-webapp/blob/master/replay%20attack.md

How your ethereum can be stolen through DNS rebinding –
https://ret2got.wordpress.com/2018/01/19/how-your-ethereum-can-be-stolen-using-dns-rebinding/

Eclipse attacks on Ethereum
http://www.cs.bu.edu/~goldbe/projects/eclipseEth

Finding The Greedy, Prodigal, and Suicidal Contracts at Scale
https://arxiv.org/abs/1802.06038

", - "visibility": "public" - }, - { - "created": 1519252491000, - "duration": 7200000, - "id": "248037459", - "name": "Whitepaper Series 11: MimbleWimble ", - "rsvp_limit": 125, - "date_in_series_pattern": false, - "status": "past", - "time": 1522105200000, - "local_date": "2018-03-26", - "local_time": "19:00", - "updated": 1522171665000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 125, - "venue": { - "id": 24882520, - "name": "Flatiron School", - "lat": 40.709999084472656, - "lon": -74.01000213623047, - "repinned": false, - "address_1": "11 Broadway #215 ", - "city": "New York ", - "country": "us", - "localized_country_name": "USA", - "zip": "10007", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/248037459/", - "description": "

Space is extremely limited. Please do NOT RSVP unless you are absolutely sure you are coming. No guests allowed, everyone must sign up individually. --

This event will focus on the MimbleWimble protocol. Below is a collation of documentation related to it. It is recommended that you at the very least read the documentation on GitHub to come prepared for discussion. Keep an eye on this page for updates on the exact format of the event. --

Original Paper
https://download.wpsoftware.net/bitcoin/wizardry/mimblewimble.txt

Poelstra Writeup (some out of date content, eg. sinking signatures)
https://download.wpsoftware.net/bitcoin/wizardry/mimblewimble.pdf

GitHub Documents (most up to date, required reading)
https://github.com/mimblewimble/grin/blob/master/doc/intro.md
https://github.com/mimblewimble/grin/blob/master/doc/rangeproofs.md
https://github.com/mimblewimble/grin/blob/master/doc/pruning.md
https://github.com/mimblewimble/grin/blob/master/doc/contracts.md

Mimblewimble SF Bitcoin Devs
https://www.youtube.com/watch?v=aHTRlbCaUyM
http://diyhpl.us/wiki/transcripts/sf-bitcoin-meetup/2016-11-21-mimblewimble/

MimbleWimble and Scriptless Scripts
https://www.youtube.com/watch?v=ovCBT1gyk9c
https://www.youtube.com/watch?v=0mVOq1jaR1U&t=39m8s
https://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2017/mimblewimble-and-scriptless-scripts/
https://download.wpsoftware.net/bitcoin/wizardry/mw-slides/2017-05-milan-meetup/slides.pdf

Scriptless Scripts
https://bitcoinmagazine.com/articles/scriptless-scripts-how-bitcoin-can-support-smart-contracts-without-smart-contracts/
https://joinmarket.me/blog/blog/flipping-the-scriptless-script-on-schnorr/

Podcast with Andrew Poelstra + Peter Wuille
https://soundcloud.com/heryptohow/mimblewimble-andrew-poelstra-peter-wuille-brian-deery-and-chris-odom
http://diyhpl.us/wiki/transcripts/mimblewimble-podcast/

Podcast with YeastPlume
https://soundcloud.com/mindtomatter/ltb-356-privacy-on-the

Confidential Transactions
https://people.xiph.org/~greg/confidential_values.txt
https://crypto.stanford.edu/bulletproofs/

OWAS
https://download.wpsoftware.net/bitcoin/wizardry/horasyuanmouton-owas.pdf

", - "how_to_find_us": "Elevator code to 2nd floor: 11749", - "visibility": "public" - }, - { - "created": 1522512061000, - "duration": 7200000, - "id": "249296221", - "name": "Workshop Series 1: Lightning Network", - "date_in_series_pattern": false, - "status": "past", - "time": 1523401200000, - "local_date": "2018-04-10", - "local_time": "19:00", - "updated": 1523422077000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 102, - "venue": { - "id": 21391862, - "name": "ThoughtWorks", - "lat": 40.74467086791992, - "lon": -73.98486328125, - "repinned": false, - "address_1": "99 Madison Ave., 15th Floor", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/249296221/", - "description": "

This event will be a hands-on workshop to learn about the Lightning Network. It is a followup to our History of Payment Channels event and part of our ongoing series focused on the Lightning Network.

During the workshop we will guide you through how to spin up an lnd node, connect it to btcd and begin opening payment channels and routing payments among other workshop participants.

We will NOT be walking you through the compilation process so it is expected that you have lnd and btcd compiled BEFORE the event. However, we will be using our own simulated network so you DO NOT need to sync btcd with testnet or mainnet. If you are uncomfortable compiling open source software you can use these binaries:

btcd: https://keybase.pub/wpaulino/btcd-3b7cd03/
lnd: https://keybase.pub/wpaulino/lnd-12cb35a/

Please follow these installation instructions (but do NOT sync your btcd):
http://dev.lightning.community/guides/installation/index.html

Please use the master branch to compile lnd:
https://github.com/lightningnetwork/lnd/tree/master

We will be sharing channels with one another on Freenode #bitdevsnyc

These are the commands you will be using during the workshop:
https://gist.github.com/wpaulino/00a373aa0d5fd7d89d25539d886461ec

", - "visibility": "public" - }, - { - "created": 1522512798000, - "duration": 7200000, - "id": "249296361", - "name": "Socratic Seminar 79", - "rsvp_limit": 250, - "date_in_series_pattern": false, - "status": "past", - "time": 1524610800000, - "local_date": "2018-04-24", - "local_time": "19:00", - "updated": 1524707238000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 184, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": false, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/249296361/", - "description": "

If you can't make it to the main event please join us at Westville Hudson for food and merriment around 9:30PM.

Discussion topics:

Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/issues/13044
https://github.com/bitcoin/bitcoin/issues/13059
https://github.com/bitcoin/bitcoin/pull/13014
https://github.com/bitcoin/bitcoin/pull/12966
https://github.com/bitcoin/bitcoin/pull/12953
https://github.com/bitcoin/bitcoin/pull/12801
https://github.com/bitcoin/bitcoin/pull/12825
https://github.com/bitcoin/bitcoin/pull/12744
https://github.com/bitcoin/bitcoin/pull/12763
(merged) https://github.com/bitcoin/bitcoin/pull/11739
https://github.com/bitcoin/bitcoin/pull/12892
https://github.com/bitcoin/bitcoin/pull/11742
https://github.com/bitcoin/bitcoin/pull/12699
https://github.com/bitcoin/bitcoin/pull/12778
https://github.com/bitcoin/bitcoin/pull/12653
https://github.com/bitcoin/bitcoin/pull/12495
https://github.com/bitcoin/bitcoin/pull/12610
https://github.com/bitcoin/bitcoin/pull/12694
https://github.com/bitcoin/bitcoin/pull/12709 (/merged)

Core Dev Weekly Meetings
http://dg1.dtrt.org/en/meetings/2018/04/12/
http://dg1.dtrt.org/en/meetings/2018/04/19/

Network Stats
OVERT AsicBoost Blocks
https://asicboost.dance

Coinbase Consolidation Outputs
https://twitter.com/LaurentMT/status/980110908449067009

Transaction Fee Plotting
https://transactionfee.info/charts/feerate/percentiles

Lightning Network
lnd PRs
https://github.com/lightningnetwork/lnd/pull/1113
https://github.com/lightningnetwork/lnd/pull/1005
https://github.com/lightningnetwork/lnd/pull/1109
https://github.com/lightningnetwork/lnd/pull/1001

UX Research
https://patestevao.gitbooks.io/lightning-network-ux-research/content/

Network Visualizer
https://bl.ocks.org/tyzbit/raw/e41587d241b0ab0f38273dc4b8dd571e/

MimbleWimble/Grin
https://github.com/mimblewimble/grin/pull/966
https://github.com/mimblewimble/grin/pull/966

Research
BLS Multi-Signatures With Public-Key Aggregation
https://crypto.stanford.edu/~dabo/pubs/papers/BLSmultisig.html

An Empirical Analysis of Traceability in the Monero Blockchain
https://arxiv.org/pdf/1704.04299/

Anonymous CoinJoin Transactions with Arbitrary Values
http://ieeexplore.ieee.org/document/8029483/

Ransomware Payments in the Bitcoin Ecosystem
https://arxiv.org/pdf/1804.04080.pdf

Misc.
Electrum Personal Server beta release
https://www.mail-archive.com/bitcoin-dev@lists.linuxfoundation.org/msg06910.html

Faster Bulletproofs with Ristretto & AVX2
https://blog.chain.com/faster-bulletproofs-with-ristretto-avx2-29450b4490cd

MIT Bitcoin Expo
https://www.youtube.com/watch?v=ZmVzRmBVzWk

Monero[masked] Hard Fork
https://github.com/monero-project/monero/releases/tag/v0.12.0.0
https://www.reddit.com/r/Monero/comments/8aoxhp/bye_bye_asics/

bitcoin-scripts
https://github.com/kristapsk/bitcoin-scripts

Antpool Burning BCH Fees
https://www.antpool.com/announcementDetail.htm?id=53

Complete guide to Proof of Stake
https://blog.bitmex.com/complete-guide-to-proof-of-stake-ethereums-latest-proposal-vitalik-buterin-interview/

Network Attack on XVG / VERGE
https://bitcointalk.org/index.php?topic=3256693.0

ifihardforked
https://gist.github.com/amiller/50dde4f892af16695a56b9e9aa603efc

", - "visibility": "public" - }, - { - "created": 1525188967000, - "duration": 7200000, - "id": "250340488", - "name": "Socratic Seminar 80", - "rsvp_limit": 215, - "date_in_series_pattern": false, - "status": "past", - "time": 1526421600000, - "local_date": "2018-05-15", - "local_time": "18:00", - "updated": 1526486257000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 215, - "venue": { - "id": 24882520, - "name": "Flatiron School", - "lat": 40.709999084472656, - "lon": -74.01000213623047, - "repinned": false, - "address_1": "11 Broadway #215 ", - "city": "New York ", - "country": "us", - "localized_country_name": "USA", - "zip": "10007", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/250340488/", - "description": "

If you can't make it to the main event please join us at the Blockstream and Chaincode Labs party: https://www.eventbrite.com/e/dragon-energy-night-tickets-45923077160

Presentations:
- Conner Fromknecht: AMP, splicing, watchtowers
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-February/000993.html
https://lists.linuxfoundation.org/pipermail/lightning-dev/2017-May/000696.html
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-April/001196.html

- John Newbery - current events in Bitcoin Core (see PRs below)

Discussion topics:
Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/12254
https://github.com/bitcoin/bitcoin/pull/10740
https://github.com/bitcoin/bitcoin/pull/12979
https://github.com/bitcoin/bitcoin/pull/11639
https://github.com/bitcoin/bitcoin/pull/13112
https://github.com/bitcoin/bitcoin/pull/13120
https://github.com/bitcoin/bitcoin/pull/10973
https://github.com/bitcoin/bitcoin/pull/12560
https://github.com/bitcoin/bitcoin/pull/13090
https://github.com/bitcoin/bitcoin/pull/13200
https://github.com/bitcoin/bitcoin/pull/13191
https://github.com/bitcoin/bitcoin/pull/13134

[bitcoin-dev] BIP proposal - Dandelion: Privacy Preserving Transaction Propagation
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-May/015956.html

[bitcoin-dev] Per-block non-interactive Schnorr signature aggregation
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-May/014272.html

[bitcoin-dev] MAST/Schnorr related soft-forks
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-May/015951.html

Lightning Network
lnd PRs
https://github.com/lightningnetwork/lnd/pull/1125
https://github.com/lightningnetwork/lnd/pull/1159
https://github.com/lightningnetwork/lnd/pull/1160
https://github.com/lightningnetwork/lnd/pull/1181
https://github.com/lightningnetwork/lnd/pull/1205
https://github.com/lightningnetwork/lnd/pull/1215
https://github.com/lightningnetwork/lnd/pull/1228
https://github.com/lightningnetwork/lnd/pull/1203

Lightning User Experience: A Day in the Life of Carol
https://blog.lightning.engineering/posts/2018/05/02/lightning-ux.html

[Lightning-dev] Scriptless Scripts with ECDSA
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-April/001221.html
http://diyhpl.us/~bryan/papers2/bitcoin/Scriptless%20scripts%20with%20ECDSA%20-%[masked].pdf

sighash_noinput
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-April/015908.html
https://blockstream.com/2018/04/30/eltoo-next-lightning.html

MimbleWimble
grin PRs
https://github.com/mimblewimble/grin/pull/1023

Research
An Empirical Analysis of Anonymity in Zcash
https://arxiv.org/abs/1805.03180

Burning Zerocoins for Fun and for Profit
https://www.chaac.tf.fau.de/files/2018/04/attack-cryptocur.pdf

Monero Ring Attack: Recreating Zero Mixin Transaction Effect
https://eprint.iacr.org/2018/348

A Wild Velvet Fork Appears! Inclusive Blockchain Protocol Changes in Practice
https://eprint.iacr.org/2018/087

Aggregation of Gamma-Signatures and Applications to Bitcoin
https://eprint.iacr.org/2018/414

Okamoto Beats Schnorr: On the Provable Security of Multi-Signatures
https://eprint.iacr.org/2018/417

InfoSec.
Exploiting the DRAM rowhammer bug to gain kernel privileges
https://googleprojectzero.blogspot.com/2015/03/exploiting-dram-rowhammer-bug-to-gain.html

Electron nodeIntegration Bypass
https://www.trustwave.com/Resources/SpiderLabs-Blog/CVE-2018-1000136---Electron-nodeIntegration-Bypass/

myetherwallet.com
https://medium.com/@goldbe/the-myetherwallet-com-hijack-and-why-its-risky-to-hold-cryptocurrency-in-a-webapp-261131fad278

BGP leaks and cryptocurrencies
https://blog.cloudflare.com/bgp-leaks-and-crypto-currencies/

Misc.
Bitcoin ACKs
https://bitcoinacks.com/

New Ethereum Miner Could be a Game Changer
https://blog.bitmex.com/nextstageinmining/

The State of Cryptocurrency Mining
https://blog.sia.tech/the-state-of-cryptocurrency-mining-538004a37f9b

", - "how_to_find_us": "Elavator Code is 12105", - "visibility": "public" - }, - { - "created": 1526669925000, - "duration": 7200000, - "id": "250916965", - "name": "Socratic Seminar 81", - "rsvp_limit": 230, - "date_in_series_pattern": false, - "status": "past", - "time": 1528844400000, - "local_date": "2018-06-12", - "local_time": "19:00", - "updated": 1528857528000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 222, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": false, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/250916965/", - "description": "

If you can't make it to the main event please join us for food and merriment at Westville Hudson around 9:30PM. Thanks to our friends Chaincode Labs and Paxos for food and refreshments.

Presentation:
Pierre Rochard - BitcoinACKs.com
Matt Corallo - BetterHash
https://github.com/TheBlueMatt/bips/blob/master/bip-XXXX.mediawiki

Discussion Topics

Bitcoin Core v0.16.1 rc2 released
http://dg0.dtrt.org/en/releases/0.16.1/

btcd: catch up upstream to roasbeef's fork
https://github.com/btcsuite/btcwallet/pull/503

=Pull Requests=
https://github.com/bitcoin/bitcoin/pull/13243
https://github.com/bitcoin/bitcoin/pull/12196
https://github.com/bitcoin/bitcoin/pull/12136
https://github.com/bitcoin/bitcoin/pull/13111
https://github.com/bitcoin/bitcoin/pull/11082
https://github.com/bitcoin/bitcoin/pull/13151
https://github.com/bitcoin/bitcoin/pull/13298
https://github.com/bitcoin/bitcoin/pull/13191
https://github.com/bitcoin/bitcoin/pull/12404

Bitcoin Core Weekly Meeting
https://bitcoincore.org/en/meetings/2018/05/10/

=Mailing List=
UHS
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-May/015967.html

TXO bitfield size graphs
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-May/016017.html

Merkle tree depth
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-June/016091.html

=BIPs=
V2 ADDR message
https://gist.github.com/laanwj/4fe8470881d7b9499eedc48dc9ef1ad1

Bech32 encoded keys
https://gist.github.com/jonasschnelli/68a2a5a5a5b796dc9992f432e794d719

SIGHASH_NOINPUT
https://github.com/bitcoin/bips/blob/master/bip-0118.mediawiki

SIGHASH2 for version 1 witness programme
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-May/016047.html

=Stats=
https://dsn.tm.kit.edu/bitcoin/
https://transactionfee.info/charts/payments/segwit
https://btc.com/stats/diff
https://doublespend.cash

=Research=
BeatCoin: Leaking Private Keys from Air-Gapped Cryptocurrency Wallets
https://arxiv.org/abs/1804.08714v1

Compact Multi-Signatures for Smaller Blockchains
https://eprint.iacr.org/2018/483.pdf

Dandelion++: Lightweight Cryptocurrency Networking with Formal Anonymity Guarantees
https://arxiv.org/pdf/1805.11060.pdf

Multi-Hop Locks for Secure, Privacy-Preserving and Interoperable Payment-Channel Networks
https://eprint.iacr.org/2018/472

PISA: Arbitration Outsourcing for State Channels
http://www0.cs.ucl.ac.uk/staff/P.McCorry/pisa.pdf

Simple Schnorr Multi-Signatures with Applications to Bitcoin (revision)
https://eprint.iacr.org/2018/068.pdf

Practical Constant-Size Ring Signature
https://link.springer.com/article/10.1007/s11390-018-1838-z

Another coin bites the dust: An analysis of dust in UTXO based cryptocurrencies
https://eprint.iacr.org/2018/513

=Blogs and articles=
Analysis of batching in Bitcoin
https://coinmetrics.io/batching/

The Ethereum-blockchain size has exceeded 1TB, and yes, it’s an issue
https://hackernoon.com/the-ethereum-blockchain-size-has-exceeded-1tb-and-yes-its-an-issue-2b650b5f4f62

The Genesis Files: Hashcash or How Adam Back Designed Bitcoin’s Motor Block
https://bitcoinmagazine.com/articles/genesis-files-hashcash-or-how-adam-back-designed-bitcoins-motor-block/

=Lightning Network=
Pull Requests
https://github.com/lightningnetwork/lnd/pull/1364
https://github.com/lightningnetwork/lnd/pull/1262
https://github.com/lightningnetwork/lnd/pull/1274
https://github.com/lightningnetwork/lnd/pull/1106
https://github.com/lightningnetwork/lnd/pull/1213
https://github.com/lightningnetwork/lnd/pull/1159

Watchtower Update
https://www.reddit.com/r/Bitcoin/comments/8n9zg5/lightning_watchtower_projects_and_info/dzulpu2/

Routing
https://blog.lightning.engineering/posts/2018/05/30/routing.html

https://satoshis.place/
http://ln.raceplace.org/
https://rompert.com/recksplorer/

MimbleWimble
Tranaction Aggregation
https://lists.launchpad.net/mimblewimble/msg00492.html

=Info and videos=
L2 Summit Hosted by MIT DCI and Fidelity Labs
https://www.youtube.com/watch?v=jzoS0tPUAiQ

Dan Boneh - Bugs in Crypto Implementations
https://www.youtube.com/watch?v=Y1Tusw2CWKQ

Chris Belcher: JoinMarket
https://www.youtube.com/watch?v=hJZnkm0jW5E

=Altcoins=
Rawpool still mining old BCH chain
https://www.reddit.com/r/btc/comments/8ju0kd/info_rawpool_iswas_still_mining_on_the_old_chain/

Announcing the Sapling MPC
https://blog.z.cash/sapling-mpc/

Bitcoin Forks
https://blog.bitmex.com/44-bitcoin-fork-coins/

=Security=
51% Attacks
https://blog.theabacus.io/the-verge-hack-explained-7942f63a3017
https://cryptoblockwire.com/monacoin-blockchain-selfish-mining-attack/
https://forum.bitcoingold.org/t/double-spend-attack-on-exchanges/1362
https://blog.zencash.com/zencash-statement-on-double-spend-attack/?utm_source=blog&utm_medium=social&utm_content=ann&utm_campaign=double+spend
https://www.coindesk.com/blockchains-feared-51-attack-now-becoming-regular/
https://www.crypto51.app/

Post-Spectre Threat Model Re-Think
https://chromium.googlesource.com/chromium/src/+/master/docs/security/side-channel-threat-model.md

", - "visibility": "public" - }, - { - "created": 1528911890000, - "duration": 7200000, - "id": "251723258", - "name": "Socratic Seminar 82", - "rsvp_limit": 250, - "date_in_series_pattern": false, - "status": "past", - "time": 1532646000000, - "local_date": "2018-07-26", - "local_time": "19:00", - "updated": 1532659075000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 244, - "venue": { - "id": 25294234, - "name": "PWC", - "lat": 40.75265121459961, - "lon": -73.98007202148438, - "repinned": false, - "address_1": "300 Madison Avenue", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/251723258/", - "description": "

Thanks to our friends at Chaincode Labs for food and refreshments,

Discussion topics:

==Bitcoin Core PRs==
https://github.com/bitcoin/bitcoin/pull/11423
https://github.com/bitcoin/bitcoin/pull/12626
https://github.com/bitcoin/bitcoin/pull/13557
https://github.com/bitcoin/bitcoin/pull/12934
https://github.com/bitcoin/bitcoin/pull/13452
https://github.com/bitcoin/bitcoin/pull/13168
https://github.com/bitcoin/bitcoin/pull/13307
https://github.com/bitcoin/bitcoin/pull/9662

[bitcoin-dev] BIP 174 thoughts
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-June/016121.html

[bitcoin-dev] Alert key disclosure
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-July/016189.html

Wallet Descriptors
https://gist.github.com/sipa/e3d23d498c430bb601c5bca83523fa82

Stats
https://bitcoinvisuals.com/
https://twitter.com/khannib/status/1009491690686701569
https://segwit.space/

Building on Bitcoin
https://www.youtube.com/watch?v=XORDEX-RrAI
https://www.youtube.com/watch?v=Cpid31c6HZc
https://www.youtube.com/watch?v=3q6PiJp1h-I

Schnorr BIP
https://github.com/sipa/bips/blob/bip-schnorr/bip-schnorr.mediawiki
https://github.com/RCasatta/schnorr_edu

Next Generation Light Clients: Block Commitments
https://medium.com/@jimpo/next-generation-light-clients-block-commitments-e532ba3dfaa

The Power of Peer Commitments
https://medium.com/@jimpo/the-power-of-peer-commitments-db7b2878c6da

The half scriptless swap
https://joinmarket.me/blog/blog/the-half-scriptless-swap/

==Lightning Network==
lnd PRs
https://github.com/lightningnetwork/lnd/pull/1512
https://github.com/lightningnetwork/lnd/pull/1435
https://github.com/lightningnetwork/lnd/pull/1516
https://github.com/lightningnetwork/lnd/pull/1358

c-lightning v0.6
https://github.com/ElementsProject/lightning/releases/tag/v0.6

Submarine Swaps on the Lightning Network
https://www.youtube.com/watch?v=ASkyu0w_8Q8

Amount-independent payment routing in Lightning Networks
https://medium.com/@joost.jager/amount-independent-payment-routing-in-lightning-networks-6409201ff5ed

Exchange Integration with the Lightning Network
https://docs.google.com/document/d/1r38-_IgtfOkhJh4QbN7l6bl7Rol05qS-i7BjM3AjKOQ/edit

Ant routing algorithm for the Lightning Network
https://arxiv.org/abs/1807.00151v1

==MimbleWimble==
grin testnet3
https://www.grin-forum.org/t/testnet3-release/524

grin PRs
https://github.com/mimblewimble/grin/pull/1163
https://github.com/mimblewimble/grin/pull/1217

==Research==
A New Blind ECDSA Scheme for Bitcoin Transaction Anonymity
https://eprint.iacr.org/2018/660

A New Look at the Refund Mechanism in the Bitcoin Payment Protocol
https://arxiv.org/abs/1807.01793v1

Verifiable Delay Functions
https://eprint.iacr.org/2018/601.pdf

NOCUST – A Non-Custodial 2nd-Layer Financial Intermediary
https://eprint.iacr.org/2018/642.pdf

==Interesting Repos.==
Wasabi: Privacy Focused Bitcoin Wallet for Desktop –
https://medium.com/@nopara73/wasabi-privacy-focused-bitcoin-wallet-for-desktop-3962d567045a

libwally-core - Useful primitives for wallets
https://github.com/ElementsProject/libwally-core

Ruse Electrum Server Implementation
https://github.com/romanz/electrs

==Misc==
FC 2019 : Financial Cryptography
http://www.wikicfp.com/cfp/servlet/event.showcfp?eventid=78210&copyownerid=121558

bitcoin-paper-errata-and-details.md
https://gist.github.com/harding/dabea3d83c695e6b937bf090eddf2bb3

Bithumb High Fees
https://twitter.com/WhalePanda/status/1009363734698102784

EOS fail
https://medium.com/@eosnewyork/eos-mainnet-status-update-8e77ba960520

Counterfactual: Generalized State Channels on Ethereum
https://medium.com/statechannels/counterfactual-generalized-state-channels-on-ethereum-d38a36d25fc6

==InfoSec==
Hackers Stole Over $20 Million From Misconfigured Ethereum Clients
https://www.bleepingcomputer.com/news/security/hackers-stole-over-20-million-from-misconfigured-ethereum-clients/

Buggy ERC-20 Tokens
https://github.com/sec-bit/awesome-buggy-erc20-tokens

Solidity Security: Comprehensive list of known attack vectors and common anti-patterns
https://blog.sigmaprime.io/solidity-security.html

Bancor Hacked
https://twitter.com/Bancor/status/1016420621666963457/photo/1

TLBleed
https://www.theregister.co.uk/2018/06/22/intel_tlbleed_key_data_leak/

Rampage and Guardion
http://rampageattack.com/

Lazy FP state restore
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00145.html

\"ROHNP\"- Key Extraction Side Channel in Multiple Crypto Libraries
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/

Root KSK Ceremony 33
https://www.youtube.com/watch?v=ZTxweLGjZSU

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If you can't make it to the main event please join us for food and merriment at Westville Hudson around 9:30PM.

Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/12254
https://github.com/bitcoin/bitcoin/pull/13922
https://github.com/bitcoin/bitcoin/pull/13947
https://github.com/bitcoin/bitcoin/pull/13804
https://github.com/bitcoin/bitcoin/pull/13907
https://github.com/bitcoin/bitcoin/pull/12257

Bitcoin Core Meetings
https://bitcoincore.org/en/meetings/2018/07/26/
https://bitcoincore.org/en/meetings/2018/08/02/

Stats
https://btc.com/stats/script

Bitcoin Optech Newsletters
https://bitcoinops.org/en/newsletters/2018/07/24/
https://bitcoinops.org/en/newsletters/2018/07/31/
https://bitcoinops.org/en/newsletters/2018/08/07/
https://bitcoinops.org/en/newsletters/2018/08/14/

Field Report: Consolidation of 4 Million UTXOs at Xapo
https://bitcoinops.org/en/xapo-utxo-consolidation/

Lightning
https://github.com/lightningnetwork/lnd/pull/1693
https://github.com/lightningnetwork/lnd/pull/1746
https://github.com/lightningnetwork/lnd/pull/1704
https://github.com/lightningnetwork/lnd/pull/1694
https://github.com/lightningnetwork/lnd/pull/1692
https://github.com/lightningnetwork/lnd/pull/1644
https://github.com/lightningnetwork/lnd/pull/1579

[Lightning-dev] Arbitrary Bitcoin Contracts over LN
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-August/001383.html

Research
A survey of Two Verifiable Delay Functions
https://crypto.stanford.edu/~dabo/pubs/papers/VDFsurvey.pdf

The Impact of Uncle Rewards on Selfish Mining in Ethereum
https://arxiv.org/pdf/1805.08832v2.pdf

On profitability of stubborn mining
https://arxiv.org/abs/1808.01041v1

CALYPSO: Auditable Sharing of Private Data over Blockchains
https://eprint.iacr.org/2018/209

DIZK: A Distributed Zero Knowledge Proof System
https://eprint.iacr.org/2018/691

Scriptless, atomic coinswap using cut-and-choose
http://diyhpl.us/~bryan/papers2/bitcoin/Scriptless,%20atomic%20coinswap%20using%20cut-and-choose%20-%20arubi%20-%202018.pdf

A Combinatorial-Probabilistic Analysis of Bitcoin Attacks
http://arxiv.org/abs/1808.05255v1

Chaff Bugs: Deterring Attackers by Making Software Buggier
https://eprint.iacr.org/2018/209

Reverse Engineering Ethereum’s Opaque Smart Contracts
https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-zhou.pdf

Improving Privacy Using Pay-to-EndPoint (P2EP)
https://blockstream.com/2018/08/08/improving-privacy-using-pay-to-endpoint.html

Misc
[bitcoin-dev] An efficient re-implementation of Electrum Server in Rust
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-July/016190.html

bls-signatures
https://github.com/Chia-Network/bls-signatures

Monero Compatible Bulletproofs
https://getmonero.org/2017/12/07/Monero-Compatible-Bulletproofs.html

rust-blockchain-store
https://github.com/rust-bitcoin/rust-blockchain-store

InfoSec
Terpin v. AT&T
https://www.greenbergglusker.com/content/uploads/2018/08/Complaint-as-Filed-3063362-1.pdf

How I gained commit access to Homebrew in 30 minutes
https://medium.com/@vesirin/how-i-gained-commit-access-to-homebrew-in-30-minutes-2ae314df03ab

Responsible disclosure in the era of cryptocurrencies
https://medium.com/@coryfields/http-coryfields-com-cash-48a99b85aad4

Breaking the Virtual Memory Abstraction with Transient Out-of-Order Execution
https://foreshadowattack.eu/

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If you can't make it to the main event please join us for food and merriment at Westville Hudson around 9:30PM. Thanks to our friends at HYPR and Chaincode labs for food and drink.

Discussion topics:
Bitcoin Core[masked]
https://github.com/bitcoin/bitcoin/releases/tag/v0.16.3
https://nvd.nist.gov/vuln/detail/CVE-2018-17144

Bitcoin Core 0.17rc4
https://github.com/bitcoin/bitcoin/releases/tag/v0.17.0rc4

Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/14053
https://github.com/bitcoin/bitcoin/pull/14060
https://github.com/bitcoin/bitcoin/pull/14079
https://github.com/bitcoin/bitcoin/pull/14075
https://github.com/bitcoin/bitcoin/pull/14220
https://github.com/bitcoin/bitcoin/pull/12676
(merged)https://github.com/bitcoin/bitcoin/pull/12254
https://github.com/bitcoin/bitcoin/pull/13152
https://github.com/bitcoin/bitcoin/pull/12490
https://github.com/bitcoin/bitcoin/commit/b2f49bd7325989267017260a9e7c843588a8c237 (/merged)

Optech
https://bitcoinops.org/en/newsletters/2018/08/21/
https://bitcoinops.org/en/newsletters/2018/08/28/
https://bitcoinops.org/en/newsletters/2018/09/04/
https://bitcoinops.org/en/newsletters/2018/09/11/
https://bitcoinops.org/en/newsletters/2018/09/18/

BIP 151 Overhall
https://github.com/bitcoin/bitcoin/pull/14032
https://github.com/bitcoin/bitcoin/pull/14047
https://github.com/bitcoin/bitcoin/pull/14049
https://github.com/bitcoin/bitcoin/pull/14050

BIP: Generic Signed Message Format by kallewoof
https://github.com/bitcoin/bips/pull/725

[bitcoin-dev] SIGHASH2 for version 1 witness programme
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-August/016345.html

[bitcoin-dev] bustapay BIP :: a practical sender/receiver coinjoin protocol
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-September/016384.html

Stats
https://dashboard.bitcoinops.org/d/TDhboADmk/bitcoin-optech-dashboards?orgId=1
https://asicboost.dance
https://btc.com/00000000000000000021868c2cefc52a480d173c849412fe81c4e5ab806f94ab

Lightning Network
c-lightning 0.6.1
https://github.com/ElementsProject/lightning/releases/tag/v0.6.1

first version of lib-autopilot.py
https://github.com/ElementsProject/lightning/pull/1888

Spark: A new GUI for c-lightning
https://medium.com/@notgrubles/spark-a-new-gui-for-c-lightning-2cf2f024500c

Lightning Desktp 0.2.2-alpha Release
https://blog.lightning.engineering/announcement/2018/09/10/lightning-app.html

LND 0.5 Release
https://blog.lightning.engineering/announcement/2018/09/14/lnd-v0.5.html

LND PRs
https://github.com/lightningnetwork/lnd/pull/1937
https://github.com/lightningnetwork/lnd/pull/1941
(merged)https://github.com/lightningnetwork/lnd/pull/1818
https://github.com/lightningnetwork/lnd/pull/1824
https://github.com/lightningnetwork/lnd/pull/1516
https://github.com/lightningnetwork/lnd/pull/1843
https://github.com/lightningnetwork/lnd/pull/1809 (/merged)

LND performance improvements
https://twitter.com/alexbosworth/status/1040460464826642435

Zap Desktop 0.2.1
https://medium.com/@JimmyMow/zap-desktop-0-2-1-cant-stop-won-t-stop-61acb2e4ee15

Schnorr and Taproot in Lightning
https://jonasnick.github.io/blog/2018/09/04/schnorr-and-taproot-in-lightning/

Atomic on-chain ETH to off-chain BTC swap
https://medium.com/@jason.hcwong/atomic-on-chain-eth-to-off-chain-btc-swap-3c959ab22e52

MimbleWimble
Enable non-interactive transactions in Grin
https://www.reddit.com/r/grincoin/comments/9deh40/is_there_any_idea_to_enable_noninteractive/e5j12rn

BIP32 Wallet Compliance - Aggsig Updates - Bulletproof Update
https://github.com/mimblewimble/grin/pull/1501

Research
Routing Cryptocurrency with the Spider Network
http://arxiv.org/abs/1809.05088v2

Airdrops and Privacy: A Case Study in Cross-Blockchain Analysis
http://arxiv.org/abs/1809.05360v1

The Unreasonable Effectiveness of Address Clustering
https://arxiv.org/abs/1605.06369v3

(meetup limits description length, please see here for the full list)
https://docs.google.com/document/d/1n2wcwwPbKDhDcyEGr7Y4cFE9UNZnTeDUtNUBVll2BWI/edit

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Thanks to Chaincode Labds for food and refreshments. If you can't make it to the main event please join us for some merriment at Westville Hudson around 9:30PM.

Discussion topics:
Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/14454
https://github.com/bitcoin/bitcoin/pull/14336
https://github.com/bitcoin/bitcoin/pull/14424
https://github.com/bitcoin/bitcoin/pull/14291
https://github.com/bitcoin/bitcoin/pull/14150
https://github.com/bitcoin/bitcoin/pull/14318

Optech Newsletters
https://bitcoinops.org/en/newsletters/2018/09/25/
https://bitcoinops.org/en/newsletters/2018/10/02/
https://bitcoinops.org/en/newsletters/2018/10/09/
https://bitcoinops.org/en/newsletters/2018/10/16/

Lightning Network
c-lightning PRs
https://github.com/ElementsProject/lightning/pull/1982
https://github.com/ElementsProject/lightning/pull/2033
https://github.com/ElementsProject/lightning/pull/1888
https://github.com/ElementsProject/lightning/pull/2000
https://github.com/ElementsProject/lightning/pull/1992
https://github.com/lightningnetwork/lnd/pull/1970 https://github.com/lightningnetwork/lnd/pull/2000

Neutrino: The Lighter Side of Lightning
https://blog.lightning.engineering/posts/2018/10/17/neutrino.html

CVE-2018–17144: An Analysis
https://medium.com/@jimmysong/bitcoin-core-bug-cve-2018-17144-an-analysis-f80d9d373362
https://live.blockcypher.com/btc-testnet/block/00000000eba3f43a8624750f39e4520a1678c0dbdf8707bfa4854a12fbf086c5/

AsicBoost capability verified — 13% in energy savings
https://medium.com/@braiins_systems/bitmain-antminer-s9-asicboost-capability-verified-by-braiins-13-in-energy-savings-and-planned-da67c290152c

Misc.
Braiins OS
https://medium.com/@braiins_systems/braiins-os-introduction-45c545d13d51

Learning from cryptocurrency breaches
https://medium.com/@magoo/learning-from-cryptocurrency-breaches-5493da06139c

Research
sign-to-contract: how to achieve trustless digital timestamping with zero marginal cost
https://www.politesi.polimi.it/bitstream/10589/140124/1/2018_04_Comandini.pdf

The Proof is in the Pudding: Proofs of Work for Solving Discrete Logarithms
https://eprint.iacr.org/2018/939

Formal Barriers to Longest-Chain Proof-of-Stake Protocols
http://arxiv.org/abs/1809.06528

Fragmented Transaction Protocol
http://diyhpl.us/~bryan/papers2/bitcoin/tom_oct17.txt

Statechains: Off-chain Transfer of UTXO Ownership
http://diyhpl.us/~bryan/papers2/bitcoin/statechains.pdf

Cross Curve atomic swaps: Equivalent Secret Values Across Curves
http://diyhpl.us/~bryan/papers2/bitcoin/cross-curve-atomic-swaps--equivalent-secret-values-across-curves.txt

Fast Secure Multiparty ECDSA with Practical Distributed Key Generation and Applications to Cryptocurrency Custody
https://eprint.iacr.org/2018/987

Fast Multiparty Threshold ECDSA with Fast Trustless Setup
https://dl.acm.org/citation.cfm?id=3243859

Events
CoreDev Tech
https://coredev.tech/
http://diyhpl.us/wiki/transcripts/bitcoin-core-dev-tech/

Bitcoin Edge
https://keio-devplusplus-2018.bitcoinedge.org/
http://diyhpl.us/wiki/transcripts/scalingbitcoin/tokyo-2018/edgedevplusplus/

Scaling Bitcoin 2018
https://scalingbitcoin.org/presentations
https://diyhpl.us/wiki/transcripts/scalingbitcoin/tokyo-2018/
https://www.youtube.com/channel/UCmwaDulmQtX-H8FOSQTKqMg/videos

Misc.
Monero: A Post Mortem of The Burning Bug
https://getmonero.org/2018/09/25/a-post-mortum-of-the-burning-bug.html

Creating money out of thin ether
https://decryptmedia.com/2018/10/02/spy-mining-hits-ethereum/

Spectre and Meltdown Hardware Protection Added to Intel's 9th Gen CPUs
https://www.bleepingcomputer.com/news/security/spectre-and-meltdown-hardware-protection-added-to-intels-9th-gen-cpus/

", - "visibility": "public" - }, - { - "created": 1538063134000, - "duration": 129600000, - "id": "255059077", - "name": "⚡ Bitcoin Lightning Network Hackday New York City ⚡", - "rsvp_limit": 200, - "date_in_series_pattern": false, - "status": "past", - "time": 1540645200000, - "local_date": "2018-10-27", - "local_time": "09:00", - "updated": 1540777222000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 58, - "venue": { - "id": 24882520, - "name": "Flatiron School", - "lat": 40.709999084472656, - "lon": -74.01000213623047, - "repinned": true, - "address_1": "11 Broadway #215 ", - "city": "New York ", - "country": "us", - "localized_country_name": "USA", - "zip": "10007", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/255059077/", - "description": "

>>> Please visit https://lightninghackday.fulmo.org/ to register <<<

Welcome to the Bitcoin Lightning Network Hackday New York City! This will be the fourth of an international series of Hackdays that we'll host to explore and discover the Lightning Network! #LightningHackdayNYC

Inspired by Barcamps and Unconferences, this Hackday was designed to encourage you to explore, learn, share and build on the Lightning Network! This will be a technical event, so be prepared to get your hands dirty!

Tickets are available at https://lightninghackday.fulmo.org/#tickets -- Please ONLY respond if you actually plan to participate.

In addition to our scheduled speakers, we will host a hackathon starting on Saturday, October 27th at noon at the same venue.

You can find the schedule for the event here: https://lightninghackday.fulmo.org/#schedule

Please note that this schedule is subject to change. If you have any suggestions or projects, please don't hesitate to contact us.

This event is brought to you by BitDevs NYC in partnership with www.fulmo.org and https://www.nyublockchain.com/.

A big thank you to our sponsors for making this event possible:
https://flatironschool.com/
https://sparkswap.com/

", - "visibility": "public" - }, - { - "created": 1540934618000, - "duration": 7200000, - "id": "255980044", - "name": "Socratic Seminar 86 + Lightning Residency and HackDay Demos", - "rsvp_limit": 200, - "date_in_series_pattern": false, - "status": "past", - "time": 1543363200000, - "local_date": "2018-11-27", - "local_time": "19:00", - "updated": 1543373969000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 198, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": true, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/255980044/", - "description": "

Presentations:
Will O'Bierne - Joule
Andre Neves - Lightwork
Jordan Frankfurt - arcade-like browser game
George Vaccaro - static lightning qr codes experiment

Discussion Topics:
Bitcoin Core Pull Requests
https://github.com/bitcoin/bitcoin/pull/14451
https://github.com/bitcoin/bitcoin/pull/14468
https://github.com/bitcoin/bitcoin/pull/14437
https://github.com/bitcoin/bitcoin/pull/14150
https://github.com/bitcoin/bitcoin/pull/14532

Bitcoin Optech
https://bitcoinops.org/en/newsletters/2018/10/23/
https://bitcoinops.org/en/newsletters/2018/10/30/
https://bitcoinops.org/en/newsletters/2018/11/06/
https://bitcoinops.org/en/newsletters/2018/11/13/
https://bitcoinops.org/en/newsletters/2018/11/20/

Stats
https://twitter.com/khannib/status/1063068406981767170
https://twitter.com/murchandamus/status/1066413641459654657
https://p2sh.info/dashboard/db/batching?orgId=1
https://p2sh.info/dashboard/db/segwit-usage?orgId=1&from=1520707903632&to=1541443906392

Lightning Network
lnd+c-lightning PRs
https://github.com/lightningnetwork/lnd/pull/1535
https://github.com/lightningnetwork/lnd/pull/2027
https://github.com/ElementsProject/lightning/pull/2061
https://github.com/ElementsProject/lightning/pull/2075
https://github.com/ElementsProject/lightning/pull/2095

Lightning Residency
https://lightningresidency.com/#videos
https://bitcoinops.org/en/newsletters/2018/11/20/#feature-news-lightning-network-protocol-11-goals
https://medium.com/@pierre_rochard/day-1-of-the-chaincode-labs-lightning-residency-ab4c29ce2077

Research
Proof-of-Work Sidechains
https://eprint.iacr.org/2018/1048.pdf

Automated Penalization of Data Breaches using Crypto-augmented Smart Contracts
https://eprint.iacr.org/2018/1050.pdf

Tracing Transactions Across Cryptocurrency Ledgers
https://arxiv.org/abs/1810.12786

Misc.
Open Sourcing Subzero
https://medium.com/square-corner-blog/open-sourcing-subzero-ee9e3e071827

Bulletproofs pre-release
https://medium.com/interstellar/bulletproofs-pre-release-fcb1feb36d4b

Blockstream - Announcing the Liquid Full Node and Wallet Release
https://blockstream.com/2018/11/06/liquid-full-node-and-wallet-release/

Information Security
Investigating Implausible Bloomberg Supermicro Stories
https://www.servethehome.com/investigating-implausible-bloomberg-supermicro-stories/

Add a privacy preserving feature for public key exports
https://github.com/LedgerHQ/ledger-app-btc/pull/75

VirtualBox E1000 Guest-to-Host Escape.
https://github.com/MorteNoir1/virtualbox_e1000_0day

Bitcoin Cash Split
https://cash.coin.dance
https://fork.lol/reward/dari/btc
https://github.com/Bitcoin-ABC/bitcoin-abc/blob/master/doc/release-notes.md
https://github.com/Bitcoin-ABC/bitcoin-abc/commit/321b2b6363c2df70c7427bd1618fdfbe2de81b2d#diff-24efdb00bfbe56b140fb006b562cc70bR2414

", - "visibility": "public" - }, - { - "created": 1543873109000, - "duration": 7200000, - "id": "256924041", - "name": "Socratic Seminar 87", - "date_in_series_pattern": false, - "status": "past", - "time": 1545177600000, - "local_date": "2018-12-18", - "local_time": "19:00", - "updated": 1545187039000, - "utc_offset": -18000000, - "waitlist_count": 0, - "yes_rsvp_count": 120, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": true, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/256924041/", - "description": "

If you can't make it to the main event please join us for food and merriment at Westville Hudson around 9:30PM.

Discussion topics:
Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/14477
https://github.com/bitcoin/bitcoin/pull/14708
https://github.com/bitcoin/bitcoin/pull/14837
https://github.com/bitcoin/bitcoin/pull/14955

Optech Newsletters
https://bitcoinops.org/en/newsletters/2018/11/27/
https://bitcoinops.org/en/newsletters/2018/12/04/
https://bitcoinops.org/en/newsletters/2018/12/11/

[bitcoin-dev] Schnorr and taproot (etc) upgrade
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-December/016556.html

[bitcoin-dev] CPFP Carve-Out for Fee-Prediction Issues in Contracting Applications (eg Lightning)
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-November/016518.html

[bitcoin-dev] Safer sighashes and more granular SIGHASH_NOINPUT
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-November/016488.html

Minisketch: an optimized library for BCH-based set reconciliation
https://github.com/sipa/minisketch

Lightning
05.1 Release
https://github.com/lightningnetwork/lnd

c-lighting and lnd PRs
https://github.com/ElementsProject/lightning/pull/2121
https://github.com/ElementsProject/lightning/pull/2161
https://github.com/lightningnetwork/lnd/pull/2006
https://github.com/lightningnetwork/lnd/pull/2039
https://github.com/lightningnetwork/lnd/pull/2313

SLP39 Olaoluwa Osuntokun (Roasbeef), CTO of Lightning Labs
https://stephanlivera.com/episode/39

Research
MIT DCI's Cryptocurrency Research Review #1
https://mitcryptocurrencyresearch.substack.com/p/mit-dcis-cryptocurrency-research

Simplicity: High-Assurance Smart Contracting
https://blockstream.com/2018/11/28/simplicity-github/

Pederson Swap
https://github.com/apoelstra/scriptless-scripts/blob/master/md/pedersen-swap.md

TxProbe: Discovering Bitcoin's Network Topology Using Orphan Transactions
http://arxiv.org/abs/1812.00942

JuxtaPiton: Enabling Heterogeneous-ISA Research with RISC-V and SPARC FPGA Soft-cores
http://arxiv.org/abs/1811.08091

Batching Techniques for Accumulators with Applications to IOPs and Stateless Blockchains
https://eprint.iacr.org/2018/1188

Misc.
Who controls Bitcoin Core?
https://medium.com/@lopp/who-controls-bitcoin-core-c55c0af91b8a

What is the tradeoff between privacy and implementation complexity of Dandelion (BIP156)
https://bitcoin.stackexchange.com/questions/81503/what-is-the-tradeoff-between-privacy-and-implementation-complexity-of-dandelion/81504

bitcoin script playground
https://nioctib.tech/#/transaction/f2f398dace996dab12e0cfb02fb0b59de0ef0398be393d90ebc8ab[masked]b/input/0/interpret?automatic=true

Information Security
Long-tail cryptocurrency is 51% attacked: Vertcoin edition
https://www.theblockcrypto.com/2018/12/03/long-tail-cryptocurrency-is-51-attacked-vertcoin-edition/

Let’s Not Speculate: Discovering and Analyzing Speculative Execution Attacks
https://domino.research.ibm.com/library/cyberdig.nsf/1e4115aea78b6e7c85256b360066f0d4/d66e56756964d8998525835200494b74

Grifter Journalist Jerry Ji Guo Jailed for Alleged $3.5 Million Bitcoin Heist
https://www.thedailybeast.com/grifter-journalist-jerry-ji-guo-jailed-for-alleged-bitcoin-long-con

Cryptojacking Malware Now Infects More Than 415,000 Routers Globally
https://www.digitaltrends.com/computing/415000-routers-globally-infected-with-cryptojacking-malware/

Timothy May RIP
https://www.facebook.com/lucky.green.73/posts/10155498914786706

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Thanks to our friends at Chaincode Labs for food and refreshments. If you can't make it to the main event please join us at Westville Hudson around 9:30PM.

Discussion Topics:

Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/14121
https://github.com/bitcoin/bitcoin/pull/14491
https://github.com/bitcoin/bitcoin/pull/14565
https://github.com/bitcoin/bitcoin/pull/14711
https://github.com/bitcoin/bitcoin/pull/14811
https://github.com/bitcoin/bitcoin/pull/14955
https://github.com/bitcoin/bitcoin/pull/15039
https://github.com/bitcoin/bitcoin/pull/15141
https://github.com/bitcoin/bitcoin/pull/14336

Bitcoin Optech
https://bitcoinops.org/en/newsletters/2018/12/28/
https://bitcoinops.org/en/newsletters/2019/01/08/

Lightning

PRs
https://github.com/ElementsProject/lightning/pull/2214
https://github.com/lightningnetwork/lnd/pull/2374
https://github.com/lightningnetwork/lnd/pull/2455

c-lightning 0.6.3
https://github.com/ElementsProject/lightning/releases/tag/v0.6.3

1st Lightning Dev IRC Meeting
http://gnusha.org/lightning-dev/2019-01-07.log

Noded[masked] with Olaoluwa Osuntokun And Conner Fromknecht
https://soundcloud.com/noded-bitcoin-podcast/noded-0360-with-olaoluwa-osuntokun-and-conner-fromknecht

Lapps
Tiny Auction
https://cryptograffiti.auction/

Tiny payment game
http://lightningbutton.network/

Blue Wallet, a new mobile wallet
https://bluewallet.io/

LndHub - multi-user LND
https://github.com/BlueWallet/LndHub
https://kriptode.com/micromine/index.html
https://satoshisgameof.life/

Research + Stats
FIBRE Stats
http://bitcoinfibre.org/stats.html
https://twitter.com/TheBlueMatt/status/1079102879204605953

Granular mining pool mapping with Bitcoin's coinbase outputs
https://coinmetrics.io/mining-pool-mapping/

2nd Global Cryptoasset Benchmarking Study
https://www.jbs.cam.ac.uk/faculty-research/centres/alternative-finance/publications/2nd-global-cryptoasset-benchmark-study/

Bitcoin Data Science (Pt. 3): Dust & Thermodynamics
https://blog.unchained-capital.com/bitcoin-data-science-pt-3-dust-thermodynamics-615dd51f49

A First Look at the Crypto-Mining Malware Ecosystem: A Decade of Unrestricted Wealth
https://arxiv.org/abs/1901.00846v1

BITMAIN mining pool share decline
https://twitter.com/TradeBlock/status/1078712699360608256

Misc.
The road to Cobalt: First months of Braiins OS
https://medium.com/@braiins_systems/the-road-to-cobalt-first-months-of-braiins-os-e4ada155ec76

Syncing Data Between Bitcoin Nodes Is About to Get Easier
https://bitcoinmagazine.com/articles/synching-data-between-bitcoin-nodes-about-get-easier/

Wasabi Wallet Hard Fork
https://medium.com/@nopara73/upcoming-wasabi-wallet-hard-fork-609f271d9c41

Old bitcoin-dev IRC logs
https://twitter.com/Snyke/status/1078727327150997504

Information Security
Electrum 3.2.4
https://github.com/spesmilo/electrum/blob/3.2.x/RELEASE-NOTES

Ethereum Classic 51% Attack
https://blog.coinbase.com/ethereum-classic-etc-is-currently-being-51-attacked-33be13ce32de
https://medium.com/@slowmist/the-analysis-of-etc-51-attack-from-slowmist-team-728596d76ead
https://www.gate.io/article/16735

Bitcoin Private Inflation Hack
https://coinmetrics.io/bitcoin-private/
https://medium.com/@bitcoinprivate/official-statement-on-coinmetrics-report-6f1cef176c05

wallet.fail
https://wallet.fail
https://www.ledger.fr/2018/12/28/chaos-communication-congress-in-response-to-wallet-fails-presentation/
https://twitter.com/pavolrusnak/status/1078568510182309889

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Thanks to our sponsors Chaincode Labs.

If you can't make it to the main event please join us for food and merriment at Westville Hudson around 9:30PM.

Presentations
Carl Dong - Supply-chain Security for Bitcoin
Andre Neven - Koala Studio

Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/14929
https://github.com/bitcoin/bitcoin/pull/13926
https://github.com/bitcoin/bitcoin/pull/15159
https://github.com/bitcoin/bitcoin/pull/14491
https://github.com/bitcoin/bitcoin/pull/14897

Bitcoin Optech
https://bitcoinops.org/en/newsletters/2019/01/22/
https://bitcoinops.org/en/newsletters/2019/01/29/
https://bitcoinops.org/en/newsletters/2019/02/05/

Lightning
lnd PRs
https://github.com/lightningnetwork/lnd/pull/2448
https://github.com/lightningnetwork/lnd/pull/2405
https://github.com/lightningnetwork/lnd/pull/2460
https://github.com/lightningnetwork/lnd/pull/2370
https://github.com/lightningnetwork/lnd/pull/2538

Eclair PRs
https://github.com/ACINQ/eclair/pull/762
https://github.com/ACINQ/eclair/pull/784

Quick Lightning Channel Stats (31-Jan-19)
https://medium.com/@rusty_lightning/quick-lightning-channel-stats-31-jan-19-fee7fab3f7ac

Month in Lapps
https://twitter.com/BR_Robin/status/1086648655459876869
https://tippin.me/
https://microbet.fun/
https://medium.com/bluewallet/bluewallet-introduces-lapp-browser-and-lapp-marketplace-eed36721d853
https://medium.com/bluewallet/a-glimpse-on-the-future-of-bitcoin-ux-4129cca9ece6?source=linkShare-528e5c63cb74-1549392395&_branch_match_id=565908919501513408
https://mobile.twitter.com/poperbu/status/1091875913573322752
https://kriptode.com/
https://www.takethetorch.online
https://twitter.com/jack/status/1092891165966229509
https://medium.com/@matthewramsden/tabs-lightning-app-for-ios-37f3735b3e5f
https://twitter.com/JackMallers/status/1082778895500406785
http://www.buyabeerwithlightning.com/
https://github.com/wbobeirne/joule-extension/releases/tag/v0.4.0
https://twitter.com/Bitlumio/status/1088148250622902274
https://blog.keys.casa/casa-browser-extension/
https://blog.keys.casa/open-sourcing-the-casa-node/

Miniscript
http://bitcoin.sipa.be/miniscript/miniscript.html
https://prezi.com/view/KH7AXjnse7glXNoqCxPH/

[Reverse CoinJoins] New ideas to extend CoinJoins
https://twitter.com/nopara73/status/1089795141739655168

PayJoin
https://joinmarket.me/blog/blog/payjoin/

Current state and the future of DApps
https://medium.com/fluence-network/dapp-survey-results-2019-a04373db6452

Misc
The reports of bitcoin environmental damage are garbage
https://hackernoon.com/the-reports-of-bitcoin-environmental-damage-are-garbage-5a93d32c2d7

GrinCon
https://www.youtube.com/channel/UCvdk-nUGoWG43sWOUFsXbnA/videos
http://diyhpl.us/wiki/transcripts/grincon/2019/

Stanford Blockchain Conference
http://diyhpl.us/wiki/transcripts/stanford-blockchain-conference/2019/

Cryptographic accumulator based on the strong RSA assumption, Python & Solidity: oleiba/RSA-accumulator
https://github.com/oleiba/RSA-accumulator

Crypto Crime Series: Decoding Darknet Markets
https://blog.chainalysis.com/reports/decoding-darknet-markets

The Ripple Story
https://blog.bitmex.com/the-ripple-story/

InfoSec
Disclosure of the impact and mitigation of CVE-2018–20587, affecting all released versions of Bitcoin Core, including the latest[masked].
https://medium.com/@lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b

Selfish Mining in Ethereum
https://arxiv.org/abs/1901.04620v1

Parity and Aleth Ethereum nodes vulnerable to traffic amplification attacks
https://medium.com/@bitfly/parity-and-aleth-ethereum-nodes-vulnerable-to-traffic-amplification-attacks-4453307cce3c

Downgrade Attack on TLS 1.3 and Vulnerabilities in Major TLS Libraries
https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2019/february/downgrade-attack-on-tls-1.3-and-vulnerabilities-in-major-tls-libraries/

The Curious Case of Convexity Confusion
https://googleprojectzero.blogspot.com/2019/02/the-curious-case-of-convexity-confusion.html

", - "visibility": "public" - }, - { - "created": 1551467742000, - "duration": 7200000, - "id": "259397584", - "name": "Socratic Seminar 90", - "date_in_series_pattern": false, - "status": "past", - "time": 1552950000000, - "local_date": "2019-03-18", - "local_time": "19:00", - "updated": 1552960314000, - "utc_offset": -14400000, - "waitlist_count": 0, - "yes_rsvp_count": 167, - "venue": { - "id": 25599420, - "name": "Galvanize", - "lat": 40.726043701171875, - "lon": -74.00779724121094, - "repinned": true, - "address_1": "303 Spring Street", - "city": "New York", - "country": "us", - "localized_country_name": "USA", - "zip": "", - "state": "NY" - }, - "group": { - "created": 1374962497000, - "name": "BitDevs NYC", - "id": 9543632, - "join_mode": "open", - "lat": 40.720001220703125, - "lon": -73.98999786376953, - "urlname": "BitDevsNYC", - "who": "Members", - "localized_location": "New York, NY", - "state": "NY", - "country": "us", - "region": "en_US", - "timezone": "US/Eastern" - }, - "link": "https://www.meetup.com/BitDevsNYC/events/259397584/", - "description": "

Thanks to our friends at Chaincode Labs for food and refreshments. Come hang out with us at Westville Hudson around 9:30PM.

Discussion topics:
Bitcoin Core[masked]rc2
https://github.com/bitcoin/bitcoin/releases/tag/v0.18.0rc2

[bitcoin-dev] Vulnerability relating to 64-byte transactions in Bitcoin Core 0.13 branchhttps://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-February/016697.html

Bitcoin Core PRs
https://github.com/bitcoin/bitcoin/pull/15368
https://github.com/bitcoin/bitcoin/pull/14021
https://github.com/bitcoin/bitcoin/pull/15153
https://github.com/bitcoin/bitcoin/pull/15471
https://github.com/bitcoin/bitcoin/pull/15118

[bitcoin-dev] Signet
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-March/016734.html

[bitcoin-dev] More thoughts on NOINPUT safety
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-March/016766.html

[bitcoin-dev] BIP Proposal: The Great Consensus Cleanup
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-March/016714.html

Bitcoin Optech
https://bitcoinops.org/en/newsletters/2019/02/12/
https://bitcoinops.org/en/newsletters/2019/02/19/
https://bitcoinops.org/en/newsletters/2019/02/26/
https://bitcoinops.org/en/newsletters/2019/03/05/

Stats
Veriblock Testnet End
https://twitter.com/coinmetrics/status/1104913875240128512

Gmax banlist updated
https://people.xiph.org/~greg/banlist.gui.txt

BSV Nodes
https://twitter.com/realLudvigArt/status/1106816905807958016

RBF in the Wild
https://bitcoinops.org/en/rbf-in-the-wild/

Lightning
c-lightning 0.7.0 Release
https://github.com/ElementsProject/lightning/releases/tag/v0.7.0

c-lightning PRs
https://github.com/ElementsProject/lightning/pull/2342
https://github.com/ElementsProject/lightning/pull/2380

lnd PRs
https://github.com/lightningnetwork/lnd/pull/2690
https://github.com/lightningnetwork/lnd/pull/2618

Eclair PRs
https://github.com/ACINQ/eclair/pull/821

Neutrino on Zap
https://github.com/LN-Zap/zap-desktop/pull/1769

Lapps
https://boltathon.com/
https://singles.shock.network/
https://ion.radar.tech/
https://sparkswap.com/
https://blockstream.com/satellite-queue/

LN Stats
https://1ml.com/

Misc.
Bitcoin Core HWI Scripts
https://github.com/bitcoin-core/HWI

MuSig: A New Multisignature Standard
https://blockstream.com/2019/02/18/musig-a-new-multisignature-standard/

MIT Bitcoin Expo 2019 Live Webcast
http://web.mit.edu/webcast/mitbitcoinexpo/

Bitcoin Timestamp Security
https://medium.com/@lopp/bitcoin-timestamp-security-8dcfc3914da6

Liquid Core
https://blockstream.com/2019/03/11/introducing-liquid-core/

Ethereum Woes
https://blog.blockcypher.com/ethereum-woes-d9b2af62da67

Mining Pool Splits $300K Ether Fee With Accidental Sender
https://www.coindesk.com/sparkpool-splits-2100-ether-mining-fee-with-accidental-sender

Wasabi Wallet 1.1.1 and 1.1.3
https://github.com/zkSNACKs/WalletWasabi/releases/tag/v1.1.1
https://github.com/zkSNACKs/WalletWasabi/releases/tag/v1.1.3

Research
Financial Crypto 2019
https://fc19.ifca.ai/program.html

Minimizing Trust in Hardware Wallets with Two Factor Signatures
https://eprint.iacr.org/2019/006

A Formal Treatment of Hardware Wallets
https://eprint.iacr.org/2019/034.pdf

Efficient Non-Interactive Zero-Knowledge Proofs in Cross-Domains without Trusted Setup
https://eprint.iacr.org/2019/063

Bitcoin vs. Bitcoin Cash: Coexistence or Downfall of Bitcoin Cash?
https://arxiv.org/abs/1902.11064v2

Zether: Towards Privacy in a Smart Contract World
https://crypto.stanford.edu/~buenz/papers/zether.pdf

InfoSec
Monero Hashrate Plunges after HF
https://www.coinwarz.com/network-hashrate-charts/monero-network-hashrate-chart

Grin Vulnerability
https://www.grin-forum.org/t/critical-vulnerability-in-grin-1-0-1-and-older-fixed-in-1-0-2/4343

Ledger Monero Issues
https://www.reddit.com/r/Monero/comments/b0mldw/ledger_support_for_monero_is_back_with_version_122/

Bitmain S15 Firmware Vulnerability
https://twitter.com/james_hilliard/status/1095225270011781120

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