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Bitcoin Covenants Part 5: MATT and OP_CHECKCONTRACTVERIFY — How Bitcoin could carry state across transactions

CointelegraphBy Cointelegraph by Korbinian Kettnaker

11/11/2026, 1:26:18 PM

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Bitcoin Covenants Part 5: MATT and OP_CHECKCONTRACTVERIFY — How Bitcoin could carry state across transactions — Photo / Coverage: CointelegraphCredit: Cointelegraph by Korbinian Kettnaker

EXECUTIVE SUMMARY

OP_CCV embeds contract state directly into Taproot output keys and enforces valid state transitions onchain. This makes it possible to achieve stateful contracts and compact fraud proofs.

Key Takeaways

Bitcoin Covenants Part 5: MATT and OP_CHECKCONTRACTVERIFY — How Bitcoin could carry state across transactions.
OP_CCV embeds contract state directly into Taproot output keys and enforces valid state transitions onchain.
This makes it possible to achieve stateful contracts and compact fraud proofs.

OP_CCV embeds contract state directly into Taproot output keys and enforces valid state transitions onchain. This makes it possible to achieve stateful contracts and compact fraud proofs.

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