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Metamask: Add Harmony Chain (ONE)

Guide to add Harmony Chain on Metamask (Desktop & Mobile)

Connect Your MetaMask With Harmony Chain

MetaMask Settings
1) Go to the settings page
MetaMask Settings
2) Click on Networks > Add Network
3) Key in the relevant details:
  • Mainnet
    • Network Name: Harmony Mainnet
    • New RPC URL:
    • ChainID:
    Shard 0: 1666600000
    Shard 1: 1666600001
    Shard 2: 1666600002
    Shard 3: 1666600003
For more information on how to use MetaMask with the Harmony Chain (ONE), you can check out here.