Lvchain is an ERC20 standardized token based on the Ethereum blockchain. It uses atomic hashing and other technologies to establish a unique digital identity for each luxury item on the entire network. In the whole process of the supply chain, the basic information for each operation of luxury goods will be stored on the blockchain to ensure that the data cannot be tampered with. Define transactions through smart contracts and rule engines, including cross-border transactions based on complex business rules, micropayments, lightning settlement, etc., and realize automatic insurance claims settlement according to pre-set business rules, reduce transaction friction and promote cooperation.