1. Go to Settings on MetaMask
Open your web browser and click on the Metamask extension icon.
Click on your avatar on the top right corner and click on Settings.
Click on the Networks tab. This is the tab where you will be able to add and edit custom RPC networks.
2. Add Network
Once you are on the Networks tab, then click on Add Network. You will be asked to fill these fields :
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Network name
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New RPC URL
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Chain ID
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Currency Symbol (optional)
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BLock Explorer URL (optional)
4. Network’s Configuration List (Polygon & BSC)
Polygon
To use the Polygon network and be able to use the powerful L2 solution, please select this configuration :
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Network Name: Polygon
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New RPC URL: https://rpc-mainnet.matic.network
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Chain ID: 137
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Symbol: MATIC
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Block Explorer URL: https://explorer.matic.network/
Binance Smart Chain (BSC):
To use the Binance Smart Chain (BSC) network and be able to use the BSC tokens such $BNB, $VENT on BSC, and any other Binance Wrapped Token, please select this configuration:
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Network Name: Binance Smart Chain
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New RPC URL: https://bsc-dataseed.binance.org/
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Chain ID: 56
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Symbol: BNB
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Block Explorer URL: https://bscscan.com
