How to setup MetaMask for Arbitrum Network

In this guide, we explain how to setup Metamask for Arbitrum 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 Arbitrum

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

Scroll down until you find Add Network.

Enter in the Arbitrum settings as follows:

  • Network name: Arbitrum One
  • RPC URL:
  • Chain ID: 42161
  • Currency: ETH
  • Explorer:

Click Save.

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

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

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