Tulips were introduced into the Netherlands in the 16th century. These exotic flowers were greatly admired and numerous species were meticulously recorded, along with their Latin names, in tulip albums.
-- Rijksmuseum, Amsterdam
Learn by Example from the Real World (Anno 1637) - Buy! Sell! Hold! Enjoy the Beauty of Admiral of Admirals, Semper Augustus and More.
| From | To | What | Qty |
|---|---|---|---|
| Dutchgrown (†) | Vincent | Tulip Bloemendaal Sunset | 10 |
| Keukenhof (†) | Anne | Tulip Semper Augustus | 7 |
| Flowers (†) | Ruben | Tulip Admiral van Eijck | 5 |
| Vicent | Anne | Tulip Bloemendaal Sunset | 3 |
| Anne | Julia | Tulip Semper Augustus | 1 |
| Julia | Luuk | Tulip Semper Augustus | 1 |
| Bloom & Blossom (†) | Daisy | Tulip Admiral of Admirals | 8 |
| Vincent | Max | Tulip Bloemendaal Sunset | 2 |
| Anne | Martijn | Tulip Semper Augustus | 2 |
| Ruben | Julia | Tulip Admiral van Eijck | 2 |
| Teleflora (†) | Max | Tulip Red Impression | 11 |
| Anne | Naomi | Tulip Bloemendaal Sunset | 1 |
| Daisy | Vincent | Tulip Admiral of Admirals | 3 |
| Julia | Mina | Tulip Admiral van Eijck | 1 |
| Max | Isabel | Tulip Red Impression | 2 |
(†): Grower Transaction - New Tulips on the Market!
Let's put the tulips on the blockchain! Example awesome-blockchains/blockchain_with_transactions.rb:
b0 = Block.first(
{ from: "Dutchgrown", to: "Vincent", what: "Tulip Bloemendaal Sunset", qty: 10 },
{ from: "Keukenhof", to: "Anne", what: "Tulip Semper Augustus", qty: 7 } )
b1 = Block.next( b0,
{ from: "Flowers", to: "Ruben", what: "Tulip Admiral van Eijck", qty: 5 },
{ from: "Vicent", to: "Anne", what: "Tulip Bloemendaal Sunset", qty: 3 },
{ from: "Anne", to: "Julia", what: "Tulip Semper Augustus", qty: 1 },
{ from: "Julia", to: "Luuk", what: "Tulip Semper Augustus", qty: 1 } )
b2 = Block.next( b1,
{ from: "Bloom & Blossom", to: "Daisy", what: "Tulip Admiral of Admirals", qty: 8 },
{ from: "Vincent", to: "Max", what: "Tulip Bloemendaal Sunset", qty: 2 },
{ from: "Anne", to: "Martijn", what: "Tulip Semper Augustus", qty: 2 },
{ from: "Ruben", to: "Julia", what: "Tulip Admiral van Eijck", qty: 2 } )
...resulting in:
[#<Block:0x2da3da0
@index = 0,
@timestamp = 1637-09-24 11:40:15,
@previous_hash = "0",
@hash = "32bd169baebba0b70491b748329ab631c85175be15e1672f924ca174f628cb66",
@transactions_count = 2,
@transactions =
[{:from=>"Dutchgrown", :to=>"Vincent", :what=>"Tulip Bloemendaal Sunset", :qty=>10},
{:from=>"Keukenhof", :to=>"Anne", :what=>"Tulip Semper Augustus", :qty=>7}]>,
#<Block:0x2da2ff0
@index = 1,
@timestamp = 1637-09-24 11:50:15,
@previous_hash = "32bd169baebba0b70491b748329ab631c85175be15e1672f924ca174f628cb66",
@hash = "57b519a8903e45348ac8a739c788815e2bd90423663957f87e276307f77f1028",
@transactions_count = 4,
@transactions =
[{:from=>"Flowers", :to=>"Ruben", :what=>"Tulip Admiral van Eijck", :qty=>5},
{:from=>"Vicent", :to=>"Anne", :what=>"Tulip Bloemendaal Sunset", :qty=>3},
{:from=>"Anne", :to=>"Julia", :what=>"Tulip Semper Augustus", :qty=>1},
{:from=>"Julia", :to=>"Luuk", :what=>"Tulip Semper Augustus", :qty=>1}]>,
#<Block:0x2da2720
@index = 2,
@timestamp = 1637-09-24 12:00:15,
@previous_hash = "57b519a8903e45348ac8a739c788815e2bd90423663957f87e276307f77f1028",
@hash = "ec7dd5ea86ab966d4d4db182abb7aa93c7e5f63857476e6301e7e38cebf36568",
@transactions_count = 4,
@transactions =
[{:from=>"Bloom & Blossom", :to=>"Daisy", :what=>"Tulip Admiral of Admirals", :qty=>8},
{:from=>"Vincent", :to=>"Max", :what=>"Tulip Bloemendaal Sunset", :qty=>2},
{:from=>"Anne", :to=>"Martijn", :what=>"Tulip Semper Augustus", :qty=>2},
{:from=>"Ruben", :to=>"Julia", :what=>"Tulip Admiral van Eijck", :qty=>2}]>,
...
Anyone? Show us your tulips on the blockchain examples!
See the Awesome Blockchains page for more.
Tulips never lost their popularity, and growers in the west of Holland have continued to develop new varieties to this very day.
-- Rijksmuseum, Amsterdam
The tulips on the blockchain transactions and scripts are dedicated to the public domain. Use it as you please with no restrictions whatsoever.