Dash Vehicle Chain 3.0 is based on the transparent, credible and irreversible characteristics of blockchain, and establishes a decentralized automobile ecological data service platform. DACH3 (Dash Car Chain 3) realizes parts standardization, vehicle production, vehicle circulation, car owner consumption, vehicle consumption, driving behavior, vehicle residual value, The 3.0 ecosystem will serve 240 million users in the future, empowering the real automobile industry, such as on-chain, conversion, traceability, data triggering and other applications of data such as auto finance. With the continuous increase of the application scenarios of DACH3, DACH3 will gradually enter a deflationary economic era, and the smart contract will implement the token destruction mechanism, reduce the circulation of DACH3 in the market, and promote market value.