Steps to create a MetaMask Wallet

2 min readJun 14, 2022


Your Wallet Setup

Every transaction begins with your Wallet. Whether it’s a mobile application or web browser extension to facilitate the usage of your Web3 wallet, you can pick your desired wallet to sync with your profile in Acentrik Data Marketplace and start your data exchanges.

This guide outlines the steps to set up a Metamask wallet for illustrative purposes only. The steps may be different for other Web3 wallet of your choice.

Set Up your MetaMask Wallet

1. Download and install the MetaMask extension in one of the compatible browsers, Chrome, Firefox, Brave: Download MetaMask | Blockchain wallet app and browser extension

2. Once it is successfully installed, there will be an icon of MetaMask at the top of your browser.

3. Click on the logo and accept the Terms and Conditions.

4. Enter a password to register for an account.

5. A string of 12 seed-words will be shown to you, which you will need to record securely either online or offline.

6. Click “I’ve Copied It Somewhere Safe” to proceed.

7. By default, you are connected to the “Ethereum Main Network” for your MetaMask Wallet.

Once your wallet is installed, you can then connect your wallet to Polygon Mainnet:

1. From your Metamask Wallet extension in your browser, click on the network dropdown list

2. Select Custom RPC

3. Key in the following details and click save:

Network Name: Polygon Mainnet


ChainID: 137

Symbol: MATIC

Block Explorer URL:

4. Ensure that the status indicates ‘Connected’