On December 7, Li Lihui, the leader of the Blockchain Working Group of the China Internet Finance Association and the former president of the Bank of China, said at the "Sanya International Forum on Finance and Economics-Responses and Choices under the Changing Global Landscape". The application of new technologies such as blockchain or digital technology is establishing a trust mechanism for inclusiveness. The blockchain expresses rules with the maturity of algorithms. As long as they trust common algorithm programs, mutual trust can be established. While maintaining commercial credit, the blockchain has established a technical endorsement trust mechanism that uses digital trust to bless business credit.