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Step 1: Open your Metamask wallet

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Step 2: Head over to the three dots on the top right corner of Metamask Window. Click on ‘Settings’, and select ‘Networks’.

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Step 3: Click on the “Add Network” button at the bottom.

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Step 4: To ensure the details are correct, select on “Add a network manually”

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Step 5: Copy and paste the technical information about Optimism from the information below. You may also find information about Optimism Profile on Metamask

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Network name: Optimism

Token: ETH

RPC: mainnet.optimism.io

Chain ID: 10

Block explorer: Optimistic Ethereum Explorer

Website: https://www.mainnet.optimism.io/

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Click on “Save” to add the network and you will see Optimism added to your MetaMask:

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Congratulations! You've now added the Optimism network to your Metamask wallet.