Huang Qifan, deputy director of China International Economic Exchange Center, wrote in Beijing Daily today, "Why is digital disruptive? ". The article points out that digitalization mainly includes big data, cloud computing, artificial intelligence and blockchain technology. Usually called ABCD: A-Artificial Intelligence, B-Block Chain, C-Cloud, D-Big Data. Blockchain is a special Internet technology, and it is a "management method for consensus people." If it is said that cloud computing and artificial intelligence have brought productivity improvements, and big data makes production materials distribution more efficient, then blockchain is a change in production relations. On this basis, blockchain technology can also greatly expand the breadth and depth of human collaboration through new trust mechanisms.