At present, a total of 14 banks have filed 14 blockchain information services. Analysts said that the bank's use of blockchain technology is mainly based on the alliance chain between banks and enterprises, namely “supply chain finance + financial blockchain”. With the help of blockchain technology, through the application of blockchain real data, effective rights, etc., bank supply chain finance can extend customers to the upstream of the supply chain (such as secondary suppliers, etc.) and downstream (such as secondary The seller) helps the development of the real economy. In addition, the blockchain can also reduce the “uncertainty” of operations and processes in basic trade, and solve the operational pain points in the current banking supply chain financial business.