To programmatically add a custom network to Metamask, you can use the request method of the ethereum object, passing it the wallet_addEthereumChain property.įor example, the following code demonstrates how to add the Matic Network (Polygon) to Metamask: window.ethereum. How to Add Polygon Mumbai to MetaMask Connecting to the Polygon Mumbai Testnet with your MetaMask, Coinbase, or any other Web 3 wallet is straightforward with ChainList. If you do not already have a MetaMask wallet installed, or are not sure how to use it, we highly recommend reading the detailed guide on the Matic website, which shows how to download, install and use the MetaMask wallet. You can do this using the following code: if (typeof window.ethereum != 'undefined') Step 2: Add a Custom Network to Metamask Note: Polygon (previously Matic) is still using the Matic name for the network and native token. To check for the presence of Metamask, you can simply try to access the ethereum object. You’ll need to add the following details on the Add a network page that will open. First, open MetaMask and click the network dropdown menu. Fortunately, Metamask makes this easy by injecting an ethereum object into websites that have it installed. Adding Polygon support to your wallet involves adding some network details to the extension. Adding Polygon support to your wallet involves adding some network details to the extension. The first thing you need to do is check if the Metamask plugin is installed in the user's browser. Let's begin! Step 1: Check if Metamask is Installed In this article, I'll show you how to use JavaScript to programmatically add custom networks to Metamask. This simplifies the process of onboarding users to your application, since they don't have to manually add the network themselves. need to add the Polygon Network to Metamask so that you can get MATIC tokens. This is a step-by-step guide on how to connect Polygon network to MetaMask.As a developer, you can enhance the user experience of your decentralized applications (DApps) by allowing users to easily add your network to their Metamask wallet with just one click. It is also possible to add specific tokens or Blockchains, even if they aren’t officially supported or immediately compatible. MetaMask supports Ethereum and any other token developed on the Ethereum Blockchain (ERC20 tokens), such as Tether, USDC, DAI, and the Uniswap token. All of the transactions on Polygon are bundled together, checked for validity, and then written to the Ethereum mainnet, which also provides Polygon with robust security and “blockchain integrity”. Indice In any supported browser (Edge, Firefox, Chrome, Brave) go to At the top left, a Metamask window will open, there you must click on. This frees up some space on the Ethereum blockchain and is similar to multi-chain projects like Polkadot and Cosmos. Polygon helps Ethereum handle more transactions by processing them on various new ‘side chains’. That means Polygon runs a souped up version of Ethereum that is faster and cheaper than the original network. Polygon is an Ethereum-based Layer 2 scaling solution. Metamask provide a very helpful documentation where you can learn more about this incredible extension The official Metamask knowledge base is the one stop shop to know more about Metamask, the custom tokens, seeds, how to use it and so on.
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