BLOCKCHAIN VER 0.5
(java spring)

stuff:
Set to work only localy for time being
Difficulty set at 5 (about 5sec per block)

Features:

Mining using SHA-256
Blockchain validity check after every block
Store data with every block
Browsable block history

TODO:
Finish Remote miner sending hashes

Simple run:
-$ mvn clean package
-$ java -jar blockchain.jar