Protocol & Consensus • Estimated 45m

OP_CHECKCONTRACTVERIFY (BIP 443)

protocol.op-checkcontractverify

OP_CHECKCONTRACTVERIFY is a proposed covenant opcode for constructing state-carrying outputs and vault-like spending policies. It generalizes the covenant capabilities needed by OP_VAULT while supporting broader contract patterns.

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Curated resources (3)

• Bitcoin Covenant Proposals Compared (article) Current comparison of BIP 443 with OP_VAULT and other covenant proposals.
• BIP 443: OP_CHECKCONTRACTVERIFY (article) Proposal specification and motivation for a more general contract-verification opcode.
• Programming Bitcoin (book) Background for Script, transaction construction, and covenant mechanisms.

Direct prerequisites (1)

• Bitcoin Covenants

Direct dependents (0)

• None

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