Well, even if you trust the source, you still need to be able to access the transaction records. You don't really need a distributed ledger for that,a centrali

Well, even if you trust the source, you still need to be able to access the transaction records. You don't really need a distributed ledger for that,a centralised database run by an industry clearinghouse could serve the purpose just fine. But maybe there are cases where a distributed ledger is easier or cheaper to establish than such a clearinghouse.