Ethernity | Tutorial for Polygon

We are removing the current gas fee barrier for the ERN community for some of our upcoming NFT collection releases by allowing users to bridge between Ethernity and Polygon.

To participate in an upcoming drop and purchase an aNFT follow these steps:

Step 1: Create a MetaMask wallet using the extension on Chrome

Step 2: Register at and connect your MetaMask wallet

Step 3: Set up your MetaMask for Polygon network

Step 4A: Buy ERN/ETH on QuickSwap with MATIC

Step 4B: Bridge ERN/ETH to Polygon network

Each step has been outlined below, please follow them closely to ensure you have a successful purchase.

⚠️ We’re dropping free MATIC to everyone with an Ethernity account and linked wallet to pay for Polygon gas fees. For newly created accounts with connected wallets — MATIC will be airdropped within 5 minutes. ⚠️

Apart from airdropped MATIC to cover Polygon gas fees, you need to have enough ERN/ETH in your wallet on the Polygon network. To make it happen you can choose one of the following options:

  • buy ERN/ETH on QuickSwap
  • bridge your ERN/ETH to Polygon network

Step 1: Create a MetaMask wallet using the extension on Chrome

  • Visit the Chrome Web Store and search for MetaMask
  • Click “Add Extension”
  • Click “Get Started”
  • Click “I agree”
  • Create a password

IMPORTANT: Reveal the Secret Recovery Phrase and write it down and/or save it somewhere digitally protected

You have now created a MetaMask wallet

Step 2: Register at and connect your MetaMask wallet

  • Click “Sign Up” on the homepage
  • Enter your email address, select a username and password
  • A code will be delivered to your email, retrieve the code and enter it where prompted.
  • Sign in to Ethernity using your credentials and click “Connect”
  • Sign into your MetaMask account
  • Click “Accept”
  • You have now connected your MetaMask wallet on Ethernity

Step 3: Set up your MetaMask for Polygon network

  • Click on MetaMask extension
  • Click on “Ethereum Mainnet” and select “Custom RPC”
  • Fill in the following field:

Network Name: Polygon


ChainID: 137

Symbol: MATIC

Block Explorer URL:

  • Press “Save” button
  • You have now connected to the Polygon mainnet with your MetaMask Wallet

Step 4A: How to Buy ERN/ETH on QuickSwap with MATIC

  • Visit
  • Click “Connect Your Wallet” and select “MetaMask”
  • Authorize the connection in MetaMask pop-up by clicking “Next” and “Connect”
  • Input number of MATIC you would like to swap into ERN/ETH token and click “Swap”, “Confirm Swap”.
  • Authorize the transaction in MetaMask
  • Once completed, you will see MetaMask pop-up with confirmation message

⚠️ If you don’t have MATIC or any other token to swap into ERN/ETH, you can always buy MATIC on centralized exchanges (e.g. Binance) and send to your wallet using the Polygon network.

You’re now ready, when the drop is live go and buy the Suarez NFTs!

If you have tokens in your wallet on Ethereum network and would like to bridge it to Polygon, follow these steps:

Step 4B: How to Bridge to Polygon:

  • At the very top of the website, select “Bridge to Polygon”
  • Click on “Open Bridge Now”, then
  • Click on MetaMask, “Next” and authorize the connection by pressing “Connect”, and “Sign”
  • Input the amount of tokens you would like to bridge, select “POS” as a transfer mode and click on “Deposit to Polygon”
  • Click on “Approve” and then “Confirm” in the MetaMask pop-up
  • Finalize the process by clicking on “Deposit” and then “Confirm” in the MetaMask pop-up to effectively bridge the tokens

⚠️ Please be patient, the bridging process may take more than 40 minutes

Want to know more about Polygon Network? Check out our other Medium articles:


Ethernity and Polygon: Bringing Layer 2 Cross-Chain Functionality to Ethernity Chain

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Ethernity Chain is a community-oriented platform that produces limited edition authenticated NFTs by your favorite artists and endorsed by those who you admire.