Metamask is a multi-network Etheruem wallet. It enable users to access their ethereum and second-layer ethereum wallets through a user friendly browser extension or mobile app. Metamask is the most commonly supported wallet by new cryptocurrency projects to allow users to interact with applications.
INSTALLING AND SETTING UP METAMASK
Goto the Metamask download page here. Metamask is available for Chrome, Firefox, iOS and Android. In this example we will use the firefox browser extension.
Once installed click Create Wallet. Make sure you write down your seed phrase, this must be stored in a safe and secure place as it is your backup, in case of device loss or damage.
But bare in mind that if anyone was to get hold of your seed phrase they can also access, and therefore steal your funds.
Metamask will now ask you to confirm your seed phrase, this ensures you have written it down correctly.
Once this has been successfully completed your new wallet is ready to go!
CONFIGURING THE WALLET
The standard default installation of Metamask is connected only to the Etheruem Network. To add additional networks you will need to goto the Settings page as shown below:
Now select Networks from the settings page.
Click Add Network in the top-right corner, this will take us to the neccessary page to add an additional network to the wallet. In this case we are going to add the Polygon Chain.
POLYGON NETWORK PARAMETERS
Network Name: Polygon
New RPC URL: https://polygon-rpc.com
Block Explorer URL: https://polygonscan.com/
Once all parameters have been entered into the neccessary fields, press SAVE
That’s it. Your metamask wallet will now be able to access, send and recieve your Polygon based Assets.