Babbitt reported on the spot that on December 19th, a special series of "Intelligence + Academy" blockchain series China Internet Association training jointly organized by China Academy of Information and Communications Technology, China Internet Association and Beijing University of Aeronautics and Astronautics was held in Beijing. Zheng Zhiming, an academician of the Chinese Academy of Sciences, said that among the five major information technologies, China is most likely to be at the forefront of the world is blockchain technology. Currently, there are three problems to be solved, namely the ternary paradox, supervision and security, and low cost. Consensus issues. If these three issues can be broken through simultaneously, it must be a good blockchain, and Libra must also face this issue.