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Optimistic Rollups and Fraud Proofs

‍Optimistic rollups are a layer 2 (L2) construction that improves throughput and latency on Ethereum’s base layer by moving computation and data storage off-chain. An optimistic rollup processes transactions outside of Ethereum Mainnet, reducing congestion on the base layer and improving scalability.

Optimistic rollups allow anyone to publish blocks without providing proofs of validity. However, to ensure the chain remains safe, optimistic rollups specify a time window during which anyone can dispute a state transition.

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