Optimistic Rollup
What is Optimistic Rollup?
Optimistic rollups are layer 2 (L2) protocols developed to increase the base layer of Ethereum’s throughput. By processing transactions off-chain, they reduce computation on the primary Ethereum chain while providing appreciable speedups. Optimistic rollups, which publish transaction outcomes on-chain, derive security from Mainnet in contrast to alternative scaling options like sidechains, or plasma chains, which also verify transactions on Ethereum with fraud proofs but store transaction data elsewhere.
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