Odaily Planet Daily News Notice from the General Office of the Shanghai Municipal People's Government on Printing and Distributing the "Action Plan for Promoting Innovation and Development of the Data Element Industry Based on the New Digital Economy Track (2023-2025)". The notice pointed out that in light of the city's urban digital transformation requirements, further promote the development of the data element industry, build a national data exchange, and rely on the National Data Trading Alliance to deepen the cooperation of data trading institutions. Facing the national layout of hub-type platform facilities such as data trading chains, blockchain technology is used to promote the interconnection of trading institutions, mutual recognition of digital business entities, and on-site and off-site transaction links, and build a unified registration and deposit service system for data resources, products, and assets.