Instructions on how to add networks to Metamask (2 ways)

You might think adding a network to Metamask is quite complicated.

Actually you can add any network to Metamask wallet within 5 seconds.

If we only used Metamask wallet to transact on the Ethereum network, we might have missed a lot of opportunities, right?

So I would like to show you how to add 5+ different networks to Metamask very quickly and simply.

Because of the BSC, Avax, and Polygon networks, I already have my own tutorial, so I won't repeat it in this article!

See more:

• Instructions on how to add BSC network to Metamask
• Instructions on how to add AVAX network to Metamask
• Instructions on how to add a Polygon (MATIC) network to Metamask

How to add a network to Metamask

NOTE: For newbies: The default Metamask wallet runs on Ethereum so you do NOT need to add the ETH network to Metamask anymore!

You can watch this video here:

To add any network to the Metamask wallet you need to do the following.

First click on the drop-down arrow next to the default network of the Metamask wallet which is the Ethereum Official Network. Select Add network.

Then, depending on the network you want to add to your Metamask wallet, fill in the following parameters:

NOTE: You can view the article table of contents to quickly find the network you need to add.

Add Celo Network to Metamask

Depending on the mainnet or testnet, you fill in the following parameters in the add network section as above!

See more: What coins does the Celo ecosystem include??

Celo Mainnet:

• Network Name: Celo (Mainnet)
• New RPC URL: https://forno.celo.org
• String Code: 42220
• Currency symbol: CELO
• Block explorer URL (optional): https://explorer.celo.org

Alfajores Testnet:

• Network Name: Celo (Alfajores Testnet)
• New RPC URL: https://alfajores-forno.celo-testnet.org
• String code: 44787
• Currency symbol: CELO
• Block explorer URL (optional): https://alfajores-blockscout.celo-testnet.org

Baklava Testnet:

• Network Name: Celo (Baklava Testnet)
• New RPC URL: https://baklava-forno.celo-testnet.org
• String Code: 62320
• Currency symbol: CELO
• Block explorer URL (optional): https://baklava-blockscout.celo-testnet.org

Add Aurora network to Metamask

Aurora mainnet:

• Network Name: Aurora mainnet
• New RPC URL: https://mainnet.aurora.dev/
• String Code: 1313161554
• Currency symbol: ETH
• Block explorer URL (optional): https://explorer.mainnet.aurora.dev/

Aurora testnet:

• Network Name: Aurora Testnet
• New RPC URL: https://testnet.aurora.dev/
• String Code: 1313161555
• Currency symbol: ETH
• Block explorer URL (optional): https://testnet.aurorascan.dev

Add Fantom Network to Metamask

See also: Detailed instructions on how add Fantom network to MetaMask

Fantom mainnet:

• Network Name: Fantom Opera
• New RPC URL: https://rpc.ftm.tools/
• String Code: 250
• Currency Symbol: FTM
• Block explorer URL (optional): https://ftmscan.com/

Fantom testnet:

• Network name: Fantom testnet
• New RPC URL: https://rpc.testnet.fantom.network/
• String Code: 0xfa2
• Currency Symbol: FTM
• Block explorer URL (optional): https://testnet.ftmscan.com

Add network to Metamask: HECO

Heco mainnet:

• Network name: Heco mainnet
• New RPC URL: https://http-mainnet.hecochain.com
• String Code: 128
• Currency Symbol: HT
• Block explorer URL (optional): https://hecoinfo.com

Heco testnet:

• Network name: Heco testnet
• New RPC URL: https://http-testnet.hecochain.com
• String Code: 256
• Currency Symbol: HTT
• Block explorer URL (optional): https://testnet.hecoinfo.com

Add Cronos Network to Metamask

Cronos mainnet:

• Network Name: Cronos mainnet
• New RPC URL: https://evm.cronos.org
• String Code: 25
• Currency symbol: CRO
• Block explorer URL (optional): https://cronoscan.com/

Cronos testnet:

• Network name: Cronos testnet
• New RPC URL: https://evm-t3.cronos.org
• String Code: 338
• Currency symbol: tCRO
• Block explorer URL (optional): https://cronos.org/explorer/testnet3

Add Klaytn Network to Metamask

Mainnet (Cypress):

• Network Name: Klaytn Cypress
• New RPC URL: https://public-node-api.klaytnapi.com/v1/cypress
• String Code: 8217
• Currency symbol: KLAY
• Block explorer URL (optional): https://scope.klaytn.com/

Testnet (Baobab):

• Network name: Klaytn Baobab
• New RPC URL: https://api.baobab.klaytn.net:8651/
• String Code: 1001
• Currency symbol: KLAY
• Block explorer URL (optional): https://baobab.scope.klaytn.com/

Add Optimistic Network to Metamask

Mainnet:

• Network Name: Optimistic Ethereum
• New RPC URL: https://mainnet.optimism.io/
• String Code: 10
• Currency symbol: ETH
• Block explorer URL (optional): https://optimistic.etherscan.io/

Add network to Metamask: Arbitrum

See also: Detailed instructions on how add Arbitrum network to MetaMask

Add Arbitrum Network to Metamask (mainnet):

• Network Name: Arbitrum One
• New RPC URL: https://arb1.arbitrum.io/rpc
• String Code: 42161
• Currency symbol: ETH
• Block explorer URL (optional): https://arbiscan.io/

Add Arbitrum network to Metamask (testnet):

• Network Name: Arbitrum Testnet
• New RPC URL: https://arb-rinkeby.g.alchemy.com/v2/your-api-key
• String Code: 421611
• Currency Symbol: AETHCARD
• Block explorer URL (optional): https://testnet.arbiscan.io/

Add network to Metamask: Astar

Add the Astar network to Metamask:

• Network Name: Astar Network
• New RPC URL: https://evm.astar.network
• String Code: 592
• Currency Symbol: ASTR
• Block explorer URL (optional): https://blockscout.com/astar/

Add Shiden network to Metamask:

• Network Name: Shiden Network
• New RPC URL: https://evm.shiden.astar.network
• String Code: 336
• Currency symbol: SDN
• Block explorer URL (optional): https://blockscout.com/shiden/

Add Shibuya network to Metamask:

• Network Name: Shibuya Network
• New RPC URL: https://rpc.shibuya.astar.network:8545
• String Code: 81
• Currency symbol: SBY
• Block explorer URL (optional): https://shibuya.subscan.io

How to add ETHW . network

To add ETHW network to Metamask you do the following:

• Network Name: ETHW-mainnet
• New RPC URL: https://mainnet.ethereumpow.org
• String Code: 10001
• Currency symbol: ETHW
• Block explorer URL (optional): https://mainnet.ethwscan.com/

Add Goerli testnet to Metamask wallet

Goerli is a testnet of Ethereum so you do NOT need to add it to your Metamask wallet.

It's just that recently, Metamask has hidden testnets so you just need to "hook" it out.

In the article What is Metamask, I have shown how to hide / show these testnets. You just need to follow in just 5 seconds and you're done!

See more: How to hide/show testnet on Metamask wallet

You can watch this video for more details:

Then you can go here to get ETH to test on Goerli network: https://faucet.goerli.mudit.blog/

Add Core TestNet to Metamask

• Network Name: Core Chain TestNet
• New RPC URL: https://rpc.test.btcs.network/
• String Code: 1115
• Currency symbol: tCORE
• Block explorer URL: https://scan.test.btcs.network/

Then you go to this link https://scan.test.btcs.network/faucet to get 1 tCORE!

How to add network to Metamask automatically

If you have any difficulty in the process of adding networks to Metamask above, you can use this automatic way!

First you visit this page: https://chainlist.org/

Then connect Metamask wallet. Type the network name you want to add to the Metamask then click [Add To Metamask] and you're done. ✅

This way you can add hundreds of different networks (supported) to both mainnet and testnet Metamask wallets.

So I just went through how to add networks to Metamask.

Wish you success!