- concat hash with nonce instead payload with nonce (94a62a2)
- add block types (8fc6479)
- add generate method (e0293f9)
- create blockchain class (7a60ded)
- create blockchain private basic methods (83f3343)
- create helper to generate hash (7abc7ca)
- create method to send block to chain (ffba5b0)
- create method to validate block (4faecfe)
- implement isValidHash method (1192400)
- implement method to create new block (582f047)
- write mineBlock method (4f1b7a5)