BitVM

Definition ∞ BitVM is a proposed system allowing complex computations to be verified on the Bitcoin blockchain. It enables the execution of arbitrary programs off-chain, with verification proofs posted to Bitcoin’s limited scripting language. This mechanism permits a challenger to dispute incorrect computations, forcing the prover to reveal the correct execution steps. BitVM aims to extend Bitcoin’s functionality without altering its core protocol rules.
Context ∞ BitVM represents a significant theoretical advancement for Bitcoin’s programmability, sparking discussions about its potential for smart contracts and layer-2 solutions. The primary challenge involves optimizing the proof size and computational overhead for practical applications. Future developments focus on refining its cryptographic primitives and exploring its compatibility with existing Bitcoin infrastructure.