What is this thing?

This is an attempt at creating a blockchain in Java from scratch.

Why?

Just for the fun of it really. I'm fascinated with blockchain technology and what better way to learn about it than to create my own?

Implemented (at least partially)

• Merkle Tree creation/manipulation.
• Fractions instead of decimals for the token value (cleaner divisibility, novel, less chance of floating-point rounding errors)
• Block structure
• Proof of Work (Scrypt)

TODO

• Wire protocol (Protobuf?, JSON?, ???)
• Transaction language
• User Interface for transferring tokens
• Economic decisions (inflation rate, pre-allocation, mining rewards, etc...)

License

Released in the public domain. I would appreciate credit where possible. :)