Summary: Harmony One, a high-performance, decentralized blockchain, can be conveniently set up in your MetaMask wallet using either ChainList or by manually entering the network's RPC details. This integration enables seamless interaction with a range of web3 and DeFi applications that run on the Harmony network.

Table of Contents

Can I Add Harmony One to MetaMask?

Yes, Harmony One can be seamlessly linked with your MetaMask wallet, as it's compatible with the Ethereum Virtual Machine (EVM). Harmony sets itself apart by utilizing its sharding technology, which offers enhanced speed and security. After the setup, you'll be able to manage ONE tokens and other native Harmony assets without a hitch. This provides a gateway for both regular users and developers keen on exploring efficient, low-cost decentralized applications.

How to Add Harmony One to MetaMask

Harmony One, a cutting-edge blockchain designed for rapid transactions and strong security, can be easily set up with your MetaMask wallet using ChainList, a trusted source for RPC details in the DeFi landscape. Below is a straightforward guide to link Harmony One with MetaMask through ChainList's intuitive interface:

  1. Launch the ChainList Application: Open ChainList to browse a wide range of Web3-compatible networks.
  2. Search for Harmony One: Utilize the search bar to locate the Harmony One Mainnet network.
  3. Select Harmony One: Pick the Harmony One option from the displayed search results.
  4. Connect Your Wallet: Click on the 'Add to MetaMask' button within the Harmony One box. This action will prompt MetaMask to integrate the Harmony One network into your wallet.

Using ChainList as your go-to resource makes the whole process a breeze and ensures you're connecting to an authenticated network. This makes ChainList an excellent option for those interested in adding blockchains like Harmony One to their MetaMask wallets.

Add Harmony One to MetaMask
Add Harmony One to MetaMask.

Harmony One RPC Details

If you'd rather set up the Harmony One network in your MetaMask wallet manually, bypassing ChainList, you can use the following verified RPC details to create a direct connection to the mainnet:

  • Network name: Harmony Mainnet Shard 0
  • Network URL:
  • Chain ID: 1666600000
  • Currency symbol: ONE
  • Block explorer URL:

These details will help you establish a secure and direct link to the Harmony One mainnet, enabling you to manage ONE tokens and interact with Harmony's decentralized applications.

About Harmony One

Harmony One is a fast and secure blockchain that is scalable and energy-efficient. It uses sharding technology and a new, innovative consensus mechanism called Proof-of-Stake Voting (PoSV). Harmony is the first blockchain to use this kind of consensus, which makes it more secure and efficient than other blockchains.

Harmony was founded in 2017 by a team of experienced blockchain developers. The team's goal is to create a decentralized platform that can be used by businesses and organizations of all sizes. Their network became popular after the rise of GameFi application called DeFi Kingdoms, which had to move to Avalanche because Harmony had performance issues and could not scale their application.

Harmony One
Harmony One.

Final Thoughts

In summary, adding Harmony One to MetaMask is simple and secure. You can either use ChainList for an easy setup or enter RPC details manually. Harmony One's features, such as sharding and its unique consensus mechanism, make it fast and secure for managing assets and using decentralized apps. Whether you're a casual user or a developer, Harmony One offers a practical solution for your needs.