How do I configure a MetaMask for the Harmony (ONE) blockchain?

Connect MetaMask to the Harmony Blockchain

For those in a hurry looking for Harmony blockchain . coordinateshere they are :

  • network name : Harmony Minute
  • New URL for RPC :
  • ChainID : 1666600000
  • Code :One
  • to explore :

Introduction to Harmony (ONE)

The blockchain harmony It is designed to facilitate the creation and use of decentralized applications (Dapps).

Harmony works with Proof of Stake (PoS), which allows it to finalize transactions very quickly and with lower fees. She is also used The so-called partition method to manage its data flows.

Thus, the network is secured under the auspices of several hundred validators who are responsible for block termination. To overcome potential scalability problems, developers have developed A protocol called “Fast Byzantine Fault Tolerant Protocol” (FBFT)”.

Harmony blockchain guarantees a Interoperability in particular with the Ethereum blockchain (ETH) Thanks to its bridge horizonwhich allows tokens to be transferred from one blockchain to another.

A little peculiarity of harmony, it has Its NFTs platform His name is “Da Vinci”.

Note that the blockchain is also integrated into the Gnosis Safe multi-signature wallet.

Prerequisites to Connect Your MetaMask Wallet to Harmony

If you are not familiar with MetamskWe invite you to read our tutorial dedicated to this topic in order to create a portfolio and familiarize yourself with the application.

This digital wallet will allow you to interact with different decentralized applications and websites that you will encounter while venturing into different blockchains.

About Browser extension Which you can find on Google Chrome, Brave and Mozilla Firefox. The app is also available on the App Store or Google Play.

MetaMask will allow you to see in detail all your transactions and see how much the latter cost, but also Set it with one click.

Configure MetaMask for harmony

Auto setting

The easiest way is to go to the Chainlist website and search for the network” Harmony mainnet part 0 “.

Connect your MetaMask wallet to the site, then click ” Add to MetaMask “.

Your wallet is like this Safe and fast. Note that this method is applicable to other block chains.

Manual setting

Once the MetaMask extension is installed, open it and log in.

Click on ” Ethereum mainnet “then on” Add a network “.

In the new window that opens, Copy the following information :

  • network name : Harmony Minute
  • New URL for RPC :
  • Channel ID : 1666600000
  • Currency :One
  • Block URL Explorer :

You should get the following table:

Array MetaMask

You just have to click register You are now connected to the Harmony blockchain!

Buy one tokens

Once you save the Harmony blockchain details, it becomes your wallet It will select one icon by default.

Do not forget You will need one code to pay all transaction fees You will be prompted to perform it on the Harmony Network. Thus, it might be interesting to have a reserve set aside for this. Don’t panic, fees are generally low, and a few side codes will suffice.

Several platforms allow buying ONE tokens, including FTX, Kraken, and Binance.

In this tutorial, we will see How to do this using the Binance platformVery easy to use.

To support us, you can go through the link below to buy ONE tokens on the Binance platform and take advantage of a welcome offer.

First, log in to the Binance website. Go to ” Buy cryptocurrency », then choose the payment method that suits you.

In our example, we’ll switch to a credit card.

Buying Fiat Binance

In the field ” to receive ‘Select icons’ One Then click Complete “.

Buy One Binance

Wait a few moments for the ONE tokens to reach your Binance account, then Go to your wallet.

Binance Wallet

Then choose your main account.

Main account Binance

In the field ” Search for an asset “, He writes ” One “.

Binance active domain

Then click withdrawal «In the horizontal column of icons» One “.

Then open your wallet and Click your address to copy it to the clipboard.

MetaMask title

Copy it into the custom field on Binance.

Choose the amount you wish to withdraw, then press ” withdrawal “.

The process is complete, and you should receive your precious ‘ONE’ tokens in your MetaMask wallet soon.

Interact with Harmony’s various decentralized applications using MetaMask

As we explained to you earlier, to interact with the Harmony blockchain, you will have to pay your transaction fees in one token.

Eco Harmony System

Non-exhaustive list of applications available on the Harmony blockchain – Source: Harmony

The possibilities are numerous: you can roam freely in The Sandbox, Bridge your icons To Ethereum or to Binance Smart Chain (BSC), or even Share your coins on a custom platform.

When you interact with smart contracts, whether on the Harmony network or on any blockchain, this It will ask you for permission to interact With your MetaMask wallet.

Make sure to use sites and apps that you can trust. Unfortunately cheating is everywhere In the world of cryptocurrency, your money is stolen quickly. Simple scale is Always check the URL you’re browsing.

Feel free to add your favorite titles to your favorites to ensure you are always on the official sites.

Here we will continue SushiSwap . exchange platform.

First, you will need to connect your MetaMask wallet to SushiSwap.

To do this, simply click on ” Connect the wallet in the bar at the top of the site. Choose MetaMask and give the corresponding permission in the new window that opens.

Then, on the home page, Select Harmony Network.

Harmony network selection

Once connected to the Harmony blockchain, choose the swap you want to perform. For example, if you want to get USDC stablecoin, choose USDC in the second field.

Swap one for Stablecoin

Validate the transaction at the cost of a fraction of one token and here are the USDC tokens in your pocket.

In the event that you have given permission to any website or app and wish to reverse your decision, remember It is possible to check or even cancel the rights granted.

To do this, go to the Debank website.

Connect your MetaMask wallet to the site by granting the necessary permissions in the pop-up window.

Then click my file at the top right of the screen.

On your profile, go to Assent “.

Approval to debank

In the menu that appears, click ” decreases next to the site or app you might be having trouble with. Thus, he will not have any right in your wallet anymore.

debank رفض refused

So much for this guide that we hope has answered your questions About the connection between your MetaMask wallet and the Harmony blockchain.

👉 If you are curious and want to discover other guides, you will find them here.

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About the author: Maximilian Pro

Twitter- soothsayerdata

Passionate about the world of decentralized finance and the novelties that Web 3.0 has brought, I write articles for Cryptoast to help make blockchain more accessible to everyone. Convinced that cryptocurrencies will change the future very soon.
All articles by Maximilien Prué.

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