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How to add Harmony Mainnet (ONE) to MetaMask.

With Harmony added to MetaMask, you can seamlessly interact with the Harmony blockchain, sending and receiving ONE tokens, and connecting to Harmony dApps for a richer crypto experience.

Nov 18, 2024 at 11:50 pm

How to Add Harmony Mainnet (ONE) to MetaMask

Introduction

MetaMask is a popular cryptocurrency wallet that supports a wide range of blockchains, including Harmony. Adding Harmony Mainnet to MetaMask allows you to interact with the Harmony blockchain, send and receive ONE tokens, and access decentralized applications (dApps) built on Harmony. Here's a step-by-step guide on how to do it:

Step 1: Install MetaMask

Visit the official MetaMask website and download the extension for your browser.
Create a new wallet or import an existing one if you already have a MetaMask account.

Step 2: Add Harmony Mainnet

Open MetaMask and click on the "Networks" tab.
Click on the "Add Network" button.
In the "Network Name" field, enter "Harmony Mainnet".
In the "New RPC URL" field, enter the following: https://api.harmony.one
In the "Chain ID" field, enter "1666600000".
In the "Currency Symbol" field, enter "ONE".
In the "Block Explorer URL" field, enter: https://explorer.harmony.one

Step 3: Add ONE Token

Click on the "Add Token" button in MetaMask.
In the "Token Contract Address" field, enter the following: 0x049d36570daba5a093659660d93720a4e6a19fac
Click on the "Add Token" button.
Your MetaMask wallet will now display your ONE token balance.

Step 4: Deposit ONE Tokens

To deposit ONE tokens to your MetaMask wallet, you can either send them from another wallet or use a crypto exchange.
If you are sending ONE tokens from another wallet, copy the address of your MetaMask wallet and paste it into the recipient address field.
If you are using a crypto exchange, follow the exchange's instructions to purchase ONE tokens and transfer them to your MetaMask wallet address.

Step 5: Interact with Harmony dApps

Once you have added Harmony Mainnet to MetaMask, you can interact with Harmony dApps by connecting your wallet to them.
To connect your wallet, click on the "Connect Wallet" button on the dApp's website or interface.
Select "MetaMask" as your wallet provider and follow the on-screen instructions to complete the connection.

Additional Notes

Make sure to back up your MetaMask seed phrase in a secure location. This phrase will allow you to recover your wallet in case of any issues.
Harmony Mainnet is subject to ongoing updates and improvements. Always refer to the official Harmony documentation for the latest information and updates.
If you encounter any issues while adding Harmony Mainnet to MetaMask, you can reach out to the MetaMask or Harmony support teams for assistance.

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