According to Tencent Financial News, on July 7, the 2019 International Monetary Forum and Financial Technology Sub-forum was held at Renmin University of China. IMI Academic Committee, Assistant Director of the Institute of Finance of the Chinese Academy of Social Sciences, and Yang Tao, Chief Economist of CFT50, on the new book China The Financial Technology Operation Report (2019) was interpreted. The report pointed out that the blockchain technology system has developed rapidly in the past few years. Especially in 2018, the application of blockchain technology has gradually made substantial progress. A new path from the private chain of enterprises to the cross-cloud and cross-subject enterprise-level alliance chain, from the alliance chain to the social service public chain. At present, the blockchain system is in data storage capacity, versatility and functional completeness. There are still obvious deficiencies in the application of technology. There are also many misunderstandings in the application of technology. It is worth noting that in 2018, the development and breakthrough of the blockchain system in technology is still conspicuous, including: the rise of self-developed bottom layer; In-depth; cross-chain technology development and open source community to help technology mature.