Academician Zhou Zhongyi of the Chinese Academy of Engineering: There are four issues to be aware of in the application of blockchain technology

Babbitt reported on the 12th, October 20th, 2019 CCF Blockchain Technology Conference was held in Chengdu. Academician Zhou Zhongyi of the Chinese Academy of Engineering said in his speech that there are several issues to be aware of in the application of blockchain technology, including: (1) It must be clear whether the user community in your application environment is centerless or central. , or multi-center; (2) digital authentication password technology that is not centered and has a center can be different; (3) The public key password SM2 introduced by the Office of Business Password of the National Cryptography Administration is applicable to a non-centric application environment. The SM9 is suitable for a central application environment; (4) The use of digital authentication requires attention to whether one-way authentication or two-way authentication is required.