Validity Rollups / ZK Rollups
Layer 2● Common
A Layer 2 scaling approach where execution happens off-chain but validity is proven on-chain using zero-knowledge proofs. Would enable massive scaling while inheriting Bitcoin's security, but requires new opcodes.
Technical Notes
Requires: OP_CAT (or similar) for proof verification, or dedicated ZK-verify opcode. Projects: BitcoinOS, Alpen Labs, ZeroSync. STARK proofs preferred (no trusted setup). State diff published on-chain for data availability.
Metadata
Visibility: Public
Created:1/3/2026by System