On June 38, 2009+10/October 3, Bitcoin was officially born. Bitcoin is a virtual encrypted digital currency based on P2P network, which is not controlled by any central bank or financial institution. Satoshi Nakamoto released the first version of the open source bitcoin client, and Satoshi Nakamoto dug up 50 bitcoins in a small server in Helsinki, Finland. Since then, Bitcoin has entered the money market stage, and the world's first blockchain data has begun to play a role.