On June 30th, at the round table forum of the “Wan Chain Interconnection – Cross-chain Technology Application New Track” at Chainge Technology Salon, James, the chief architect of the original chain, said that in terms of scalability, multi-layer network layering is proposed than the original chain. Architecture. Different configurations can be customized on the Layer 2 network to meet different DAPP requirements. On the Layer 3 network, the blockchain technology can be transformed into a traditional Internet understandable function, which helps traditional enterprises develop applications and iteratively upgrades by using demand reverse technology. .