An Open-source Library for replacement of native JDBC protocol , DBJ.jar can easily connect to database with some Method, So user have to give the credentials and the parameter into the function ,DBJ will handle the rest part(Connection, Driver Manager, Prepared Statement, Resultset etc)
This is a bitcoin node based on bitcoin-ruby-blockchain, that is capable of connecting to the bitcoin network, download and store the blockchain, validate all the blocks and incoming transactions, and relay data to its peers.