Babbitt News, on December 1, the Blockchain Service Network Development Alliance initiated by the National Information Center, China Mobile, China UnionPay, etc. held its first general meeting in Hangzhou. Shan Zhiguang, director of the Information and Industrial Development Department of the National Information Center, said that the blockchain shoulders the historical mission of building a smart society and a digital economy. Let practitioners enter the blockchain industry at low cost. The main point of the BSN top-level design is "1 base, 1 core, 7 properties". One base is based on the alliance chain architecture. The 1 core is based on supporting smart cities and the digital economy. The 7 characteristics are openness, publicity, scalability, open source, multi-portal, low cost and autonomy.