On November 17, the 2019 International Blockchain Conference was held in Deqing, Zhejiang. Zhang Feng, chief engineer of the Ministry of Industry and Information Technology, pointed out that it is necessary to accelerate the innovation and development of the blockchain technology industry, track and analyze the frontier dynamics, and accelerate the improvement of top-level design. Focus on breaking through key core technologies such as smart contracts, consensus mechanisms, and encryption algorithms to support the construction of blockchain open source communities. Promote the integration of blockchain and real economy, and focus on product traceability, evidence collection and evidence collection, data sharing, copyright protection and other key areas, and support key enterprises to create a number of typical cases that can be copied and promoted. Accelerate the establishment of the National Blockchain and Distributed Accounting Technology Standardization Committee, promote the development and application of key urgently needed standards, and actively connect with ISO, ITU and other international standards organizations.