Definition ∞ An Off-Chain Computation Proof is a cryptographic proof that verifies the correct execution of a computation performed outside the main blockchain. Instead of executing complex operations directly on the expensive main chain, these computations occur off-chain, and only a compact proof of their validity is submitted on-chain. This approach significantly reduces transactional costs and enhances scalability. It allows for complex logic to be processed efficiently while maintaining on-chain verifiability.
Context ∞ Off-chain computation proofs are a central topic in discussions about blockchain scalability, especially in the context of layer-2 solutions like rollups. News reports often highlight how these proofs, such as zero-knowledge proofs, enable networks to handle a much higher volume of transactions. A key debate involves optimizing the trade-offs between proof generation time, verification cost, and the complexity of the off-chain computations that can be supported.
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