Bitcoin Magazine article deep dives into CHECKTEMPLATEVERIFY (CTV) proposed by Jeremy Rubin with BIP 119, a robust and mature covenant proposal.
CTV is designed to address concerns around flexible covenants and prevent detrimental consequences for Bitcoin.
Understanding CTV involves comprehending the structure of Bitcoin transactions, including inputs, outputs, version numbers, markers, flags, input count, outputs, and more.
CTV functions as an opcode for basic introspection and data carrying, ensuring specific fields in a transaction match a predefined hash to validate transactions.
CTV enables the restriction of outputs to be spent only by a pre-defined transaction, removing the need for trust and enhancing security through consensus enforcement.
CTV simplifies coordination processes, improves efficiency, scalability, and security guarantees, and enhances existing protocols using pre-signed transactions.
CTV has been explored through various projects like payment pools, vault implementations, proof-of-concept ports, the Sapio Language, Timeout Trees, DLCs, Lightning channels, and more.
CTV is a highly mature proposal with significant value-add, no risk of compromising security, and should have been activated earlier per the article's perspective.