Protocol & Consensus • Estimated 70m

CHECKLOCKTIMEVERIFY (BIP 65)

protocol.cltv-bip65

Script opcode that enforces an absolute locktime for spending conditions in Bitcoin scripts.

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Curated resources (3)

• BIP 65: OP_CHECKLOCKTIMEVERIFY (article) Canonical CLTV specification and activation details.
• Developer Guide: Contracts (article) Examples of locktime-driven script constructions.
• Bitcoin Core Academy: Consensus Changes (article) Context on softfork deployment mechanics for opcode upgrades.

Direct prerequisites (1)

• Script Timelocks

Direct dependents (0)

• None

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