For most people, blockchain is difficult to get rid of the impression of digital currency, but in fact it has always been information technology, which originated from the communication foundation hypothesis "Byzantine Generals Problem" in 1982, built on a reliable decentralized The zero trust of the system on the nodes ensures the consensus among nodes and the consistency of information transmission.

Over time, the solution has continued to improve, adding cryptography, timestamps, proof-of-work mechanisms, and more. It was not until the mysterious Satoshi Nakamoto published Bitcoin that the blockchain completed its basic form and opened its popularity.