What are optimistic Rollups | Ethereum | Guide for Beginners | NBIC
Channel: NBIC Native Blockchain Infrastructure Company
Date: 2022-09-13

What are optimistic Rollups in Ethereum?


- Layer 2 (L2) protocols called optimistic rollups are created to increase the foundation 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.

- Since computation is the costly, slow element of utilizing Ethereum, optimistic rollups can increase scalability by up to 10-100 times. Additionally, optimistic rollups write transactions to Ethereum as call data, saving users' gas money.

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