How to Add Ethereum Network to MetaMask

Add automatically

or add manually

Step 1: Open MetaMask

Open your MetaMask extension in your browser.

Step 2: Add a New Network

Click on the network dropdown at the top, then select "Add Network".

Step 3: Enter Network Details

Fill in the following details:

NetworkRPC URLChain IDCurrency SymbolBlock Explorer URL
Mainnet
https://go.getblock.io/aefd01aa907c4805ba3c00a9e5b48c6b
0x1ETHhttps://etherscan.io/
Holesky Testnet
https://api.tatum.io/v3/blockchain/node/ethereum-holesky
0x4268ETHhttps://holesky.etherscan.io/
Sepolia Testnet
https://sepolia.drpc.org
0xaa36a7ETHhttps://sepolia.etherscan.io/
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