Definition ∞ Interactive dispute resolution involves a back-and-forth challenge mechanism to verify the correctness of off-chain computations. In this system, if an off-chain computation is suspected of being incorrect, a challenger can submit a claim and a deposit. The original proposer must then respond with a proof, or a series of proofs, to validate their computation. This iterative process continues until the dispute is resolved on the main chain, with the dishonest party losing their deposit. It is a core component of optimistic rollup security models.
Context ∞ Interactive dispute resolution is a key topic in the development and security of Layer 2 scaling solutions, particularly optimistic rollups, which are designed to enhance blockchain transaction throughput. News often covers discussions around the efficiency, fairness, and economic incentives required for these systems to function reliably without excessive delays or costs. Its effective operation is fundamental to the trustless nature of these scaling technologies.
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