On January 10, the Third Session of the 13th CPPCC opened in Beijing. This year, Qi Xiangdong, a member of the Beijing Municipal Committee of the CPPCC, brought forward a proposal on strengthening the construction of blockchain security. Qi Xiangdong suggested that the Municipal Party Committee and Municipal Government and related management institutions strengthen the guidance and standardization of blockchain technology. During the construction of the blockchain, strengthen the close tracking of security "three synchronizations", so that blockchain technology can be used to build a network power and develop digital Play a greater role in economic and social and economic development. Specific suggestions are as follows: 1. Mandatory requirements for the security budget in the construction of the blockchain. It is mandatory to ensure that the security budget in the construction of the blockchain is not less than 20%, and to ensure the simultaneous planning, construction, and use of security technical measures. 2. Mandatory requirements for security maintenance in blockchain operations. 3. Intensify the "supervision sandbox" innovation and provide a paradigm for unified national supervision.