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  1. Core Concepts
  2. Overview of Rollups

Optimistic Rollups

PreviousOverview of RollupsNextZK Rollups

Last updated 8 months ago

Optimistic Rollups process transactions off-chain and post the transaction data on-chain without immediate verification. They assume transactions are valid (hence "optimistic") and only verify them if challenged. This approach significantly reduces gas fees and increases throughput while still leveraging Ethereum's security through fraud proofs.

Read more on Optimistic rollups https://blog.etherscale.xyz/what-are-optimistic-rollups-a328f62173cb

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Optimistic Rollup