OP_CSFS
Protocol Upgrade
Opcode
OP_CHECKSIGFROMSTACK (OP_CSFS), proposed in BIP-348 in November 2024, verifies signatures against stack-provided public keys and arbitrary messages, enhancing script flexibility for dynamic transactions and covenants. Actively discussed for vault and oracle use cases.
Status & Details
Proposed
BIP Reference
BIP-348
Impact Areas
Programmability
Security