Q » What is fraud proof in optimistic rollups?

02 Nov, 2025

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A » Fraud proof in optimistic rollups is a mechanism to ensure the integrity of transactions by assuming they are valid unless proven otherwise. If a participant detects a fraudulent transaction within a rollup, they can submit a fraud proof during a challenge period. This proof is then verified, and if the transaction is indeed fraudulent, it is reverted, ensuring the rollup's security and trustworthiness without requiring extensive on-chain computation.

Michael

03 Nov, 2025

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All Other Answer

A »In optimistic rollups, fraud proof is a mechanism that allows validators to challenge and prove fraudulent transactions or state changes made by sequencers. It ensures the integrity of the rollup by providing an incentive for honest validators to detect and report fraud, thereby maintaining the security of the Layer 2 scaling solution.

David

03 Nov, 2025

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