How it all began: From old mining days to taking over the world.
Bitcoin as a concept was invented by a person nicknamed Satoshi Nakamoto in his/her paper Bitcoin: A Peer-to-Peer Electronic Cash System , which was, of course, published electronically and is available on the bitcoin.org site for anyone who s interested. The essence of the entire idea is, as Nakamoto says, A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. He points out that since this system runs transaction irreversibly and not through
Multicore GPU mining system (from Bitcoin Wiki)