According to China Net News, on November 9, the China Industrial Internet Research Institute organized representatives of relevant universities, research institutions, media and enterprises to hold an "Industrial Internet + Blockchain" expert entrepreneur media symposium in Beijing. Professor Gao Zhipeng from Beijing University of Posts and Telecommunications explained the issue of “What is the blockchain?” from the perspectives of technology, model, and innovation. Professor Gao believes that blockchain technology is the integration of asymmetric encryption, distributed computing, hash pointers, Merkel trees, digital signatures, etc., with decentralization, trust, transaction transparency, node anonymity, non-tamperable, traceable Features, has a good application prospects in the fields of deposit certificate, finance, supply chain and so on. However, blockchain technology also has inadequacies such as inefficient data processing, insufficient data security, difficulty in cross-chain coordination, and lack of supervision. In the future, blockchain and industrial Internet will achieve integrated development in many areas such as identification analysis, collaborative manufacturing, supply chain finance, edge cloud collaboration, and industry innovation applications.