Protocol & Consensus • Estimated 70m

OP_CODESEPARATOR

protocol.op-codeseparator

OP_CODESEPARATOR changes the script segment committed by signature hashing. Its behavior is subtle and historically important for advanced script correctness.

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Curated resources (3)

• Opcode Explained: OP_CODESEPARATOR (article) Exact execution and signature-hash effects.
• BTC Transcripts: codeseparator (article) Practical concerns raised by wallet and protocol developers.
• BIP 143: SegWit Signature Hash (article) Context on signature hashing changes and script-code handling.

Direct prerequisites (1)

• SIGHASH Flags

Direct dependents (0)

• None

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