How to add NUT to Metamask

Step 1: Install the Metamask Extension from the Store

Visit the browser extension marketplace and download the MetaMask extension.
After completing the installation, click on the MetaMask Extension to proceed with the configuration

Step 2: Create a MetaMask Wallet or Import One

I’d suggest creating a new one if you haven’t done so
Click import wallet if you have an existing wallet.
Setup your password and secret recovery phrase somewhere safe.
Setup MetaMask to connect to Huobi Ecochain’s Mainnet.
Switch the connected blockchain by clicking on the tab saying Main Ethereum Network, we need to add the Huobi Ecochain network.
Enter in the HECO mainnet details as follows:
  • Network Name: Heco-Mainnet
  • New RPC URL:
  • ChainID: 128
  • Symbol: HT
  • Block Explorer URL:
Click Save.
You have now connected to the HECO mainnet with your Metamask Wallet.

Step 3: Add NUT Token to your wallet

Choose HECO - Mainnet network in your MetaMask and click Add Token
Click “Custom Token” and input required info as below
Token Contract Address: 0x4f0A338DFa1C9369F62109C9022042e1F0aE479b
Click “Next” to finalize the procedure.


  • NUT Token Address on HECO chain is difference with NUT Token Address on OKEX Chain.
  • Final NUT token address is: 0x4f0A338DFa1C9369F62109C9022042e1F0aE479b