ZK first solves the problem of trustlessness. For example, a typical use case is zk-rollups and outsourced computing. Another use case is privacy issues. Current exploration of such scenarios includes privacy transactions, privacy games, privacy social, and privacy DID. The ones that are currently very popular are zkevm (that is, outsourced computing) and various rollups for zk. However, in the first use case to solve the problem of trustlessness, there should be more scenarios that can be explored. Welcome to discuss