Bitcoin Covenants part 3: SIGHASH_ANYPREVOUT
Cointelegraph· Cointelegraph by Kyrian Alex· Jul 7, 2026 · 3:00 PM
APO lets a Bitcoin signature authorize any compatible UTXO rather than one fixed outpoint. It allows for rebindable pre-signed transactions for Lightning, vaults, and layer-2 protocols without new key management overhead.
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