Blockchain originated from bitcoin. On November 1, 2008, a person calling himself Satoshi Nakamoto published "Bitcoin: A peer-to-peer Electronic Cash System [4] describes the architectural concept of electronic cash system based on P2P network technology, encryption technology, time stamp technology, block chain technology, which marks the birth of Bitcoin. Two months later, the theory was put into practice, and on January 3, 2009, the first Genesis block with serial number 0 was born. A few ...