🦊Configuring MetaMask for Polygon
Learn how to connect your wallet with the Matic Mainnet.
Before you are able to store some Polygon-compatible cryptocurrencies in your wallet or interact with DeFi applications on Polygon we will have to configure MetaMask to communicate with the Polygon network and interact with great dApps like Crystl Finance and ApeSwap. Go ahead and click the fox
🦊
icon to open up MetaMask.

Adding the Polygon/MATIC RPC

Click the menu button (3 dots in top right corner)
Click the three vertical dots, and then select the Expand view option - which is a lot easier to navigate.
MetaMask will open up a larger view, now simply click your wallet circle icon, and navigate to “Settings”.
Now in the Settings menu you will want to select “Networks” on the left. Here we will configure MetaMask to connect to the Polygon network (also called the Matic Mainnet). Hit the “Add Network” button!
Fill out the following parameters, then hit “Save”;
Copy the values from this screen capture into your blank "Add Network" window.
Network Name: Matic Mainnet New RPC URL: https://rpc-mainnet.matic.quiknode.pro/ (Feel free to choose a different RPC from the official Matic documentation). Chain ID: 137 Currency Symbol: MATIC Block Explorer URL: https://polygonscan.com/
What’s going on here?: To put it simply, we are configuring your MetaMask wallet to understand how to connect to the Polygon Network (Matic Mainnet). To connect to the network, your wallet will talk to the server in the given RPC URL. It is important to understand that you should only use an RPC that you trust - because a malicious RPC could be used to record your transaction activities! For this example we have used one of the public RPCs provided in the official documentation.
That's it! You’re done 👍! Now you will be able to interact with many cool DeFi protocols on Polygon through MetaMask. All you have to do is ensure that your MetaMask is connected to the Matic Mainnet network that we set up for you.

Test By Connecting To a dApp

First, navigate to Crystl Finance.
Click the “Connect” button in the top right of your browser window
Select Metamask from the pop-up menu of wallet providers.
Finally, you’ll need to Confirm the action in the wallet pop-up that appears by clicking “Connect”. Assuming all went accordingly, you should now be connected to Crystl Finance's decentralized application!
Your connection with the dApp can be confirmed by looking in the top right corner of the browser window, you should see the “Connect” button has now changed to a shortened form of your wallet Public key.

What’s Next?

Give yourself a pat on the back, you now have a wallet to interact with DeFi applications on the Polygon network! Going forward, all you need is some funds in your wallet to be able to invest, swap, farm tokens, and do a lot of other cool stuff in Decentralized Finance 🤑
You can now;
Read up on our $MATIC Faucet in this guide, and make use of it here
Check out the Ultimate Guide!
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Adding the Polygon/MATIC RPC
Test By Connecting To a dApp
What’s Next?