MAXX provides a fundamental blockchain-based platform for the intelligent connected vehicle industry, offering decentralized application services to the automotive sector and consumers, and expanding into multiple scenario applications related to travel. It deeply explores the trillion-dollar post-automotive market, addressing the challenges of information asymmetry and lack of service standards in the industry. By leveraging the decentralized, unique, and tamper-proof attributes of blockchain, all actions taken by car owners on MAXX are recorded on a distributed and public system. All modifications and changes are also logged in the distributed ledger and preserved permanently. Based on its features such as no data caching, protection of personal privacy, safeguarding of data copyright, effectively curbing data opacity, and support for bidirectional anonymous transactions, MAXX establishes and optimizes a joint data structure for automotive industry service providers, car owners, and manufacturers, becoming a higher-level identity proof. This fully addresses the pain points existing in traditional post-automotive market systems.