How to setup MetaMask for Optimism Network

In this guide, we explain how to setup Metamask for Optimism network.


  • MetaMask extension installed on the browser
  • At least one wallet created or imported
How to Install and Setup MetaMask Browser Wallet
MetaMask is a popular cryptocurrency wallet that’s available both as a browser extension and as a mobile app. In this article, we explain how you can setup MetaMask on your browser.

Connecting MetaMask to Optimism

Switch the connected blockchain by clicking on the tab saying Main Ethereum Network, we need to add Optimism.

Scroll down until you find Add Network.

Enter in the Optimism settings as follows:

Click Save.

You have now connected to the Optimism Mainnet with your Metamask Wallet!

Transactions on the Optimism network requires ETH which will be used as gas fee.

Buy ETH on Binance or FTX and get discounts on trading fees.