Connecting a Wallet

Connecting a Wallet ⛓️

Connecting to the Rubicon App for the first time using Mobile or Desktop/Browser wallets. If you're familiar with Ethereum wallets (opens in a new tab) and how to add custom networks, you can skip this guide!

Mobile Wallet

This guide uses the MetaMask Mobile App (opens in a new tab), which is available on Android and iOS.

  1. On the Browser tab, search for Make sure the URL is!!! You can bookmark it by tapping on the 3 dots in the bottom left and Add to Favorites.

  2. The Rubicon App will ask you to connect your wallet. Tap on the MetaMask button:

  3. Your wallet will then ask you to connect to the Rubicon App. Tap Connect:

Once connected, you can start swapping and trading on Rubicon!

Desktop/Browser Wallet

This guide will use the MetaMask browser extension (opens in a new tab) wallet.

Let's start by connecting our wallet to Rubicon. Launch the Rubicon App by visiting (opens in a new tab). You will see this wallet connection screen:

Click on the MetaMask button, and the Rubicon App will ask for permission to connect to your wallet. Click Connect:

Now your wallet is connected to Rubicon! Once you are connected to the Rubicon app, you will be prompted to add the Optimism (or Arbitrum) network to your wallet:

Adding a Custom Network

If for some reason you cannot automatically add these networks, you might need to do it manually. Here are the steps to add a custom network on MetaMask:

  1. Open MetaMask and tap on the Menu icon in the top left:

  2. Tap Settings in the menu:

  3. In the Settings menu, select Networks to add a custom network:

  4. Tap on the Add Network button at the bottom of the screen:

  5. Here are the RPC network details for Arbitrum One and Optimism Mainnet:

    NetworkArbitrum One
    RPC Url (opens in a new tab)
    Chain ID42161
    Block Explorer URL (opens in a new tab)
    NetworkOptimism Mainnet
    RPC Url (opens in a new tab)
    Chain ID10
    Block Explorer URL (opens in a new tab)