How to bridge from Harmony ONE?

Everything you need to know about bridging from Harmony ONE.

The native chain “gas” token on Harmony is ONY. All transactions on Harmony are paid in ONE. This includes bridging “cross-chain” transactions to the other chains “networks”.


What is Harmony ONE?

Harmony is an open and fast blockchain. Our mainnet runs Ethereum applications with 2-second transaction finality and 1000 times lower fees. 
Harmony is your open platform for assets, collectibles, identity, governance. Our secure bridges offer cross-chain asset transfers with Ethereum, Binance and 3 other chains.

How to configure MetaMask for Harmony One?

You have 2 options to configure MetaMask for using the Harmony chain “network”:

  1. Automatic by selecting the Harmony chain in the RelayChain bridge app. This will import the network settings into metamask.
  2. Manually by adding the following Harmony network settings to Metamask:

Network Name: Harmony Mainnet
          New RPC URL:
          Chain ID:  1666600000
          Currency Symbol: ONE
          Block Explorer URL:


Bridge-able tokens per destination chain

Destination chains Tokens Contracts on Harmony Partners with liquidity
Avalanche | Moonriver | Shiden | Harmony | Cronos AVAX    
Avalanche | Moonriver | Shiden | Cronos MAI    
All Chains RELAY    
Moonriver | Shiden | Cronos wMATIC    
Cronos CRYSTL    
Cronos CRO    
Binance Smart Chain BNB    
Fantom | Shiden | Harmony FTM    
Cronos POLYDOGE    
Heco HT    

How to cross-chain from Harmony ONE to other chains?

Harmony Specific

DeX Partners on Harmony ONE

Tutorials with video

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