Blockchain is a kind of distributed ledger. A blockchain is an independent ledger, and two different chains are not related to each other. Therefore, in essence, there is no way to transfer the value between the ledger. However, for a specific user, the value stored by the user on one blockchain needs to be transferred to the value on another chain, which is cross-chain asset circulation. Cross-chain asset circulation allows value to flow directly across the barriers between chains. Cross-cha...