Polygon is a layer-2 Ethereum scaling solution that is built on top of the Ethereum blockchain. It was built to solve the Ethereum problems such as low transaction speed, high gas fees, and limited options for developers.
MetaMask is a famous cryptocurrency wallet that allows users to interact with the Ethereum blockchain. It supports Ethereum tokens such as ERC-20, ERC-721, and ERC-1155.
What is the Need to Add Polygon Network to MetaMask
You can mint Polygon-based NFTs in OpenSea or any other NFT MarketPlace
You can send or receive MATIC on Metamask
Steps to Add PolyGon Network to MetaMask using PolygonScan
This is the easiest and fatest way to add polygon Network to Metamask (or your fav defi wallet). However you cannot use this for MetaMask mobile application
Polygonscan is a Polygon blockchain explorer that allows users to explore the transactions, addresses, tokens and other activities
Once you are on the Polygonscan website, scroll to the bottom
Step 2: Click Add Polygon Network
If you scroll to the bottom of the website, there you can see the Add Polygon Network Button
Click on it
Step 3: Click Approve in Metamask
Upon clicking the Add Polygon Network you will get a notification in your MetaMask wallet
That will be nothing but an approval notification. Just click Approve
Clicking Approve will automatically import the Polygon network's name, URL and chain ID into Metamask and you will be automatically switched to the Polygon's Mainnet
Steps to add Polygon (MATIC) network to Metamask using Manual Method