Key cities in the Yangtze River Delta will launch "one yard of universal territory", blockchain technology will help mutual identity recognition

Recently, the Hefei Data and Resources Bureau said that this month, key cities in the Yangtze River Delta will launch "one yard of access". According to relevant experts, the existing two-dimensional code technologies such as the generation and application of aggregate codes, mutual recognition of card codes, and non-secret payment have matured. There are many successful practices in campus and enterprise park applications. Blockchain technology is also suitable for cross- Mutual recognition of identities across cities, the technical conditions of "one yard of universal access" are relatively complete.