How to Add Optimism (OP) to MetaMask

Add Optimism to MetaMask

1. Click "Add network" from the network menu
2. Add Optimism from the list of Popular custom networks
3. Approve adding the network on MetaMask.

Key Takeaways

• In this guide, we will cover how to add the Optimism network to your MetaMask wallet, and add custom tokens on the network to your wallet.

• Optimism is a Layer 2 scaling solution for the Ethereum network. As an optimistic rollup, it saves users time and cost by packaging thousands of transactions and submit them as a single transaction to the main blockchain.

Manually Add the Optimism Network to Your MetaMask Wallet

On your MetaMask wallet, click on the network bar on the top left corner of your dashboard.

Select Add network from the pop-up window.

From the list of pre-installed networks on MetaMask, you can add Optimism directly (outlined in black), or proceed to enter details by clicking Add a network manually. 

In the form that pops up, fill in the following details.

• Network name: Optimism

• RPC URL: https://mainnet.optimism.io

• Chain ID: 10

• Currency: ETH

• Explorer: https://optimistic.etherscan.io

Click Save to complete.

You can now switch to the Optimism network when needed. Simply click the network dropdown at the top left corner of your wallet and select Optimism from the list.

Add Optimism to MetaMask Using Chainlist

Another way to add Optimism to your MetaMask is using Chainlist. Chainlist collates network details of EVM-compatible networks, and users can add available networks to their wallets directly through Chainlist. 

To add Optimism Network using Chainlist;

1. Visit Chainlist and connect your MetaMask Wallet.

2. Search 'Optimism' in the search bar at the top of the page. Ensure that the network details correspond to the verified Optimism network details.

3. Tap 'Add to MetaMask' and follow the prompt from your wallet to add the verified OP Mainnet information automatically to your wallet.

The Optimism mainnet is now available in your wallet; you can switch to the network and explore applications on the network. 

Add Optimism to MetaMask With Optimism Blockchain Explorer

You can also add Optimism to MetaMask through the Optimism blockchain explorer. At the bottom of the page, there is a button to Add OP Mainnet with a MetaMask icon

Clicking this button will open a popup on MetaMask, with a prompt to allow the site to add a network. Click Approve, and Optimism will be added to your list of MetaMask networks. 

Now, let’s add a native Optimism network token to the wallet.

Add Custom Optimism Network Token to MetaMask

For this guide, we will be obtaining a verified contract address for a native Optimism network token from CoinGecko. You can also obtain an asset’s smart contract address from any other platform, like the project’s website. We will be adding the OP token to our Optimism wallet on MetaMask.

1. Visit the OP token profile on CoinGecko and copy the token’s Optimism network contract.

On your wallet, ensure that your wallet is connected to the Optimism network

2. Click Import token to add OP token to your wallet.

3. Enter the token’s smart contract address in the provided input box. The asset’s details will populate automatically.

4. Click Add custom token to proceed

5. Click Import tokens to complete.

The OP token is now available in your wallet. You can now see your balances without using the network’s explorer, and you can click on the asset to send or receive.

You can follow this procedure to add more custom network tokens to your wallet.

Final Thoughts

The Optimism network is the second largest by TVL, with plenty of projects for users to explore, while offering users a cheaper alternative to the main Ethereum network. With more Layer 2s launching using the OP Stack, like Base and opBNB, there is likely to be more interest in Optimism as well. This guide is designed to help you get started on exploring the Optimism network by configuring your wallet. There are multiple ways to add the OP Mainnet to MetaMask, which are covered in this article. In the event you are using a different wallet to interact with the Optimism mainnet, do your own research to ensure that the network details are correct. 

Finally, note that this article is only for educational purposes and not financial advice.  

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Joel Agbo

Joel is deeply interested in the technologies behind cryptocurrencies and blockchain networks. In his over 7 years of involvement in the space, he helps startups build a stronger internet presence through written content. Follow the author on Twitter @agboifesinachi