Liu Yanchu, an associate professor at Lingnan College of Sun Yat-Sen University, said recently that blockchain technology will effectively solve the problem of information asymmetry in supply chain finance and reduce the risk of supply chain financing. This field is expected to become a blockchain technology in the Dawan District of Guangdong, Hong Kong and Macau. "killer" application. Liu Yanchu believes that blockchain technology will enable suppliers at all levels to be 'flattened' in the capital stream, and pull it to the same chain for supervision. Banks can monitor the whereabouts of all listed assets at any time, resulting in more small and medium-sized enterprises. The credit enhancement of micro-enterprises makes it easier to obtain financing from the supply chain and reduce financing costs. He also said that there is still a need to promote the popularization of blockchain technology: in particular, let the relevant risk management departments understand the 'no-coin blockchain', and understand that the blockchain technology is to solve the credit problem of supply chain finance, crack the small and medium-sized Micro-enterprise financing is difficult, financing is so expensive.