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How to add Optimism to MetaMask in 3 steps

How to connect Optimism to MetaMask? This article will introduce a step-by-step guide to connect Optimism Network to MetaMask.
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vytran
Published May 07 2022
Updated Oct 20 2023
2 min read
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In this tutorial, we will introduce you to MetaMask and Optimism, and how to add Optimism to MetaMask.

How to add Optimism to Metamask in 3 steps

Metamask is available for download on mobile (iOS and Android) and web browsers such as Chrome, Firefox, Brave, and Edge. 

metamask bnb browsers
MetaMask's Supported Browsers

This article will introduce how to connect Metamask to Optimism on the web browser, Chrome. 

Step 1: Installing MetaMask Wallet

  1. Go to metamask.io/download.
  2. Click “Install MetaMask for Chome” to download the extension.
  3. Install MetaMask to Chrome and create a MetaMask wallet.
  4. Log in to your MetaMask wallet.
metamask bnb install metamask
Download MetaMask

Your MetaMask will look like this if you successfully log in to MetaMask.

metamask add success eth copy
Ethereum Wallet On MetaMask

After MetaMask has been installed, you'll see this as the default user interface. Don't forget to store the passphrase someplace safe and secret so that you can recover the wallet if you forget the password. 

Note: Passwords and paraphrases should never be shared or revealed to anyone.

Step 2: Connecting Metamask to Optimism

After logging in, MetaMask will set the Ethereum blockchain as default. To switch to using Optimism on MetaMask, we will walk you through the following steps.

At the top left corner of the MetaMask interface, select “Ethereum Mainnet” to drop down the menu, then click the “Add Network” button.

metamask add network
Add Network With MetaMask

The web will direct you to the Settings page, where you can add a blockchain network. We will manually add Optimism Network to MetaMask as we first use MetaMask. We just switch Optimism to other blockchains at hand in later usage.

add optimism to metamask 1
Add A Network To MetaMask

Optimism:

  • Network Name: Optimism Ethereum
  • New RPC URL: https://mainnet.optimism.io
  • ChainID: 10
  • Symbol: ETH
  • Block Explorer URL: https://optimistic.etherscan.io

Fill in the network details and click Save.

add optimism to metamask 2
Optimism Network On MetaMask

Well done, you have successfully connected the Optimism Network to MetaMask. 

Step 3: Switching between blockchains on MetaMask

In the previous steps, you are introduced to connecting Optimism to MetaMask. If you prefer to connect to other blockchains, click “Optimism Ethereum” as in the picture below to select your network.

switch chain on metamask
Switching Between Blockchains On MetaMask

Furthermore, Coin98 Super App also supports Optimism. You can create an Optimism wallet on the Coin98 Super App.

Learn more: How to create an Optimism Wallet on Coin98 Super App

Conclusion

That is all you need to know about how to connect Optimism to MetaMask. Coin98 Insights hopes the article is helpful to your crypto journey. If you have any questions, feel free to comment below.

Read more: How To Add Fantom To MetaMask

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