According to the People’s Daily on November 11, in fact, the combination of blockchain technology and finance is not accidental. Simply put, the blockchain is a distributed shared ledger and database with decentralized, non-tamperable, full trace, traceability and so on. Finance is based on trust and cooperation. These characteristics of the blockchain lay the foundation for creating trust. Blockchain technology is of great significance in solving financial problems such as large credit risk, low efficiency of fund utilization, and high cost of payment processing. In reality, bitcoin is not equal to the blockchain, and digital currency is only one of the applications of blockchain technology in the financial field.