MAXX is the underlying blockchain platform that provides the foundation for the intelligent Vehicle-to-everything industry, provides decentralized application services for the automotive industry and consumers, and expands to travel related multi scenario applications, deeply explores the trillion car aftermarket, and solves the difficulties of asymmetric industry information and non-standard service system. Using the attributes of blockchain decentralization, uniqueness, tamper proof, etc., all changes and modifications recorded by car owners on MAXX are also recorded in the distribution Ledger on the distributed and public systems, and are permanently saved. Based on the characteristics of MAXX such as not caching data, protecting personal privacy, protecting data copyright, effectively curbing data opacity, and supporting two-way anonymous transactions, the establishment and optimization of a joint data structure for automotive industry service providers, car owners, and manufacturers has become its higher-level identification, fully solving the pain points of traditional automotive aftermarket systems....