Optimism

Optimism is an EVM-compatible, layer 2, rollup scaling solution with single-round, fault proofs.

The Optimism network submits faster and cheaper transactions to Ethereum.

Developers connect via Optimism's L2-geth node API. L2-geth is based on Go Ethereum (Geth)'s JSON-RPC implementation.

To use Optimism, create a Web3 project and select the relevant Optimism add-on from the list of endpoints.

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For more information on the Optimism network, please see the official Optimism developer documentation.

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Developers should be aware of some important differences between the behavior of Ethereum and Optimism. For more information, check out: https://community.optimism.io/docs/developers/build/differences/

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Read our blog for more information on rollups.