According to China News Network, in Qingzhen City, the local government adopted a “identity chain” management system based on blockchain technology. After the villagers register and use it, they will be included in the “red and black” list of integrity, and each Individuals will have 100 points of integrity points. There is no upper limit for credits. The higher the points, the benefits such as discount loans, but below 60 points will be included in the “blacklist”, work and life are restricted, and notifications will be made in each village. Qingzhen City has 149,727 households, 50,839 households, 87 institutions, 9,988 employees, and 17,185 enterprises to build information resources, and use the "blockchain" technology for depositing certificates.