Layer3 is an expansion solution of Ethereum, which aims to solve the congestion problem of Ethereum and realize the decentralized, low-cost and highly concurrent Ethereum ecosystem that people desire. Layer3 combines cross chain technology with Layer 1 and Layer 2 extension solutions, bringing a new cross chain extension solution that supports cross chain interaction between major public chains, and completes block transactions more quickly with lower gas costs, bringing users an ultimate and smooth trading experience....