Optimistic Rollups | ethereum.org

Introduction to optimistic rollups

Optimistic Rollups Copy .md Copy .md Edit page (opens in a new tab) On this page Optimistic rollups are layer 2 (L2) protocols designed to extend the throughput of Ethereum's base layer. They reduce computation on the main Ethereum chain by processing transactions offchain, offering significant improvements in processing speeds. Unlike other scaling solutions, such as sidechains , optimistic rollups derive security from Mainnet by publishing transaction results onchain, or plasma chains , which also verify transactions on Ethereum with fraud proofs, but store transaction data elsewhere. As com

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