On December 3rd, Zhou Guohui, Vice Chairman of the CPPCC of Zhejiang Province, delivered a speech at the opening ceremony of the "2019 CAN Summit-Interconnection of Everything, Blockchain and New Global Economic Structure": a new generation represented by blockchain, artificial intelligence and AI Information technology is becoming a new driving force for the development of China's digital economy and a new engine for building a strong country in science and technology. Looking at the world, the major countries are currently accelerating the technological layout of the blockchain. According to the IBM Blockchain Development Report, 90% of governments around the world are planning the development of blockchain. Compared with other countries and regions, China has a good foundation in the field of blockchain: it has issued relevant policies, improved the business environment for the development of the blockchain industry, and increased investment in building blockchain innovation parks. . However, the same applies to the management and application of blockchain technology. It must be pros and cons to promote its healthy development.