Proof of Execution

Definition ∞ Proof of Execution is a cryptographic attestation or verifiable record that demonstrates a specific computation or operation was performed correctly and completely. This mechanism provides assurance of computational integrity. It allows for trustless verification of processing.
Context ∞ In the context of scalable blockchain solutions like rollups, proof of execution is fundamental for verifying off-chain computations. News frequently discusses advancements in zero-knowledge proofs and other cryptographic techniques that provide irrefutable proof of execution. This enables trustless and efficient processing of transactions without requiring all network nodes to rerun every computation.