MATT and OP_CCV: Exploring Stateful Bitcoin Contracts
A new article explores MATT and OP_CHECKCONTRACTVERIFY (OP_CCV), explaining how they could enable stateful Bitcoin contracts and fraud-proof systems, potentially reducing the need for mechanisms used by BitVM.
ct.com/research
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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.