China Internet Network Information Center (CNNIC) released the 45th “Statistical Report on the Development of China’s Internet”, which introduced the development of China’s blockchain. At present, China’s blockchain policy and supervision system has been initially constructed. In terms of policies, the blockchain-related policy environment is more optimized: policies are intensively introduced to encourage the development of blockchain technology, and a blockchain regulatory framework has been initially formed. In terms of technology, the key technologies of the blockchain have made progress: the underlying technological innovation continues to improve, the encryption algorithm values independent controllability, and cross-chain technology has become the focus of research. In terms of applications, blockchain technology and various industries are accelerating integration: the application of blockchain government affairs in the field of people’s livelihood, the application of blockchain finance has achieved stage results, and the supply chain system based on blockchain has been used in actual business in.