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Add Arbitrum One Network to MetaMask Wallet1.
Open MetaMask Wallet.
2.
Click the drop-down button at the top right of the wallet.
3.
Click the ‘Add Network’ button at the bottom.
4.
In the list of networks to add, find ‘Arbitrum One’ and click the ‘Add’ button on the right.
1. Open MetaMask Wallet
Launch the MetaMask wallet installed on your Chrome browser.
Important
If you do not own an EVM wallet, you will need to create one.
2. Add Arbitrum One Network
Click the drop-down button at the top left of MetaMask. On the network selection page, click the ‘Add Network’ button at the bottom.
Check for ‘Arbitrum One’ in the list of networks to add. Click the ‘Add’ button on the right.
Click the approval button to confirm adding this network. Review the network change instructions. Click the button to switch to the Arbitrum One network. Verify the network change in MetaMask
(the Arbitrum network icon should change in the top left).3. Add Arbitrum (ARB) Coin
After adding the Arbitrum One network, click the ‘Import Tokens’ button at the bottom of the MetaMask wallet. Enter the Arbitrum (ARB) coin contract address in the token search field. * Arbitrum : 0x912CE59144191C1204E64559FE8253a0e49E6548
Verify the Arbitrum (ARB) token and click the checkbox → Click the [Next] button. Click the [Import] button to add the token. Arbitrum coin added successfully!