On January 1, 21st Century Business Herald published a paper "2019 of" Chain Gold ": Full Analysis of" Bank-Securities Guarantee "for Blockchain Technology Landing". The article states that supply chain finance has become the easiest direction for blockchain to break through in the financial field. In addition to the traditional characteristics of pure online, low cost, guarantee-free, and second-time loan, it can also solve the authenticity and right of account receivables in the supply chain, and enhance the security of supply chain financing products. Quickly establish a "trust" and improve settlement efficiency. For core enterprises, it can reduce financial costs, reduce interest-bearing liabilities, and beautify statements. For suppliers of core enterprises, the acceptance is also relatively high, because payment, transfer, splitting and financing are convenient, online operations, and circulation paths can be traced. Relying on the core company's credit, suppliers of grades 1 to N can obtain low-cost financing.