MIT (Mundellian Infrastructure Technology) blockchain proposes a brand-new underlying infrastructure of next-generation blockchain, using the structure of multi-side chains and multi-sub-chains, combined with the original sharding dynamic weight consensus mechanism (SDWC) to establish A high-performance blockchain platform that balances scalability, security, efficiency, etc. and forms a set of its own cross-chain collaboration technology and protocol system to achieve point-to-point value transfer and chain-to-chain collaboration. Serving supply chain finance, digital assets, equity bonds, source of supply chain products, financial credit and other industries.