How to setup MetaMask for Arbitrum One Network

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

How to setup MetaMask for Arbitrum One Network


  • MetaMask extension installed on the browser
  • At least one wallet created or imported
How to Install and Setup MetaMask Browser Wallet
In this article, we explain how you can set up the MetaMask extension on your browser.
Arbitrum has two versions of technology on separate networks. This guide details Metamask setup for Arbiturm One. For Metamask setup for Arbitrum Nova, click here.

Connecting MetaMask to Arbitrum One

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 Bybit and get up to 20% discount on trading fees when you trade cryptocurrencies.

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