How to Add Optimism to MetaMask

Summary: The process of adding Optimism to your MetaMask wallet is simplified by using ChainList, a trusted resource for obtaining verified blockchain network RPC details of EVM-compatible chains. 

Start by linking your MetaMask to ChainList, then use the search bar to locate Optimism and choose 'Connect Wallet.' This allows you to link your wallet with Optimism's network configurations, facilitating a secure connection with the advanced Layer 2.

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ChainList
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Chainlist is an aggregator of Ethereum Virtual Machine (EVM) networks. It allows users to connect their MetaMask wallets to the specific Chain and Network ID, ensuring a safe connection to the correct blockchain.

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Supported Networks

100+ Layer 1 and Layer 2 chains.

Development Team

Built by the Defillama team.

Compatible Wallets

MetaMask only.

Can I Add Optimism to MetaMask?

Yes, you can easily add Optimism to your MetaMask wallet as it’s a Layer 2 scaling solution on Ethereum and the wallet supports all EVM-compatible networks. Its use of Optimistic Rollups boosts speed while maintaining Ethereum's security. To set up Optimism on MetaMask, you need certain information such as the network name and chain ID, each unique to the Optimism network.

How to Add Optimism to MetaMask

Adding Optimism to your MetaMask wallet is straightforward, and accurately entering RPC details is essential to ensure you connect to the correct chain. To avoid inputting the details incorrectly, we recommend using ChainList, a blockchain aggregating tool with a simple one-click feature that provides the verified RPC endpoints for all EVM-compatible networks like Optimism.

Here are the steps to add Optimism to MetaMask:

  1. Visit ChainList: Navigate to the ChainList website and connect your MetaMask wallet.
  2. Search for Optimism: Use the search function to find ‘OP Mainnet’.
  3. Click to Add: Choose 'Add to MetaMask' adjacent to Optimism in the search results.
  4. Finalize Setup: Complete the process by following the MetaMask prompts to add the Optimism network.
Add Optimism to MetaMask

Optimism RPC Details

For users who want to manually integrate Optimism with MetaMask, inputting the verified RPC details is essential. Trusted sources like Optimism’s official documentation should be consulted for accurate information. Below are the necessary RPC settings for Optimism:

It’s essential to correctly set up these parameters in your MetaMask wallet to establish a legitimate connection to the Optimism network. This configuration allows you to access and utilize the full range of features available within Optimism's decentralized ecosystem.

About Optimism

Optimism is an Ethereum Layer 2 blockchain, known for its efficiency and scalability, offering an affordable platform for Ethereum applications. It supports the Superchain project to enhance chain interoperability. It features Retroactive Public Goods Funding, encouraging development for public benefit. While mirroring Ethereum's functionality, Optimism includes unique aspects like secure address aliasing for cross-chain transactions, making it a valuable tool for developers optimizing Ethereum-based projects.

Bottom Line

In conclusion, integrating Optimism into your MetaMask wallet is crucial for interacting with this popular Layer 2 solution. By following the straightforward steps outlined, including visiting ChainList and obtaining verified RPC details, users can ensure a secure setup. This integration facilitates faster and more affordable transactions and also provides access to Optimism's innovative features, like Retroactive Public Goods Funding.