Instance Property

txid

The transaction ID — double-SHA256 of the transaction’s non-witness bytes. Returns an owned copy that outlives this transaction.

var txid: Txid { get }

Discussion

TXID vs. WTXID distinction: this is the TXID (excludes witness data), the stable identifier used by prevout.hash references. Witness transactions additionally have a WTXID that includes witness data — the kernel does not currently expose WTXID on this type.