How to add Klaytn network in MetaMask?

To use Klaytn with MetaMask, manually add the network using the correct RPC URL, Chain ID (8217 for mainnet, 1001 for testnet), currency symbol (KLAY), and explorer URL; incorrect details prevent connection.

Mar 13, 2025 at 12:15 am

Key Points:

• MetaMask doesn't directly support Klaytn by default. You need to add the Klaytn network manually.
• This involves adding the correct RPC URL, chain ID, currency symbol, and explorer URL to your MetaMask wallet.
• Incorrect parameters will prevent you from interacting with the Klaytn blockchain.
• Double-checking your inputs is crucial to avoid errors.

How to Add the Klaytn Network in MetaMask

MetaMask, a popular Ethereum-based wallet, doesn't inherently include the Klaytn network. To use Klaytn-based dApps and interact with Klaytn tokens (KLAY), you must manually add the network. This process involves providing MetaMask with the necessary network parameters. Failure to input these correctly will result in connection failures.

First, open your MetaMask extension. Ensure you're logged into your wallet. If you haven't already created a MetaMask account, you'll need to do so before proceeding. The process is straightforward and involves creating a secure password and backing up your seed phrase. This seed phrase is crucial for recovering your wallet if you lose access. Treat it like a bank password - keep it safe and secure.

Next, locate the "Networks" section within MetaMask. The location of this section may vary slightly depending on your MetaMask version, but it's typically accessible via the dropdown menu in the upper right corner. Once located, click on it. You'll see a list of available networks. Since Klaytn isn't there by default, you'll need to add it manually.

To add the Klaytn network, click on the "Add Network" button. MetaMask will then present a form requiring several pieces of information. You'll need to accurately input the following parameters:

• Network Name: Enter "Klaytn Mainnet" or "Klaytn Testnet" depending on which network you wish to use. The mainnet is the live, operational network; the testnet is for testing and development.
• New RPC URL: This is a crucial piece of information. It's the address your MetaMask wallet uses to communicate with the Klaytn network. You can find the correct RPC URL on the official Klaytn website or reputable Klaytn community resources. Using an incorrect URL will prevent your wallet from connecting.
• Chain ID: This is a unique identifier for the Klaytn network. For the mainnet, it is 8217. For the testnet, it is 1001. Using the wrong Chain ID will result in transaction failures.
• Currency Symbol: This is the symbol used to represent the native Klaytn cryptocurrency. Enter "KLAY".
• Block Explorer URL: This is the URL of a block explorer for the Klaytn network. This allows you to view your transactions and account balance on the blockchain. You can find this URL on the official Klaytn website.

After entering all the necessary information, click "Save". MetaMask will then add the Klaytn network to your available networks. You should now be able to switch to the Klaytn network and interact with Klaytn-based dApps and tokens. Remember to always double-check the accuracy of the network parameters you're using. An error in any of these fields can prevent your wallet from functioning correctly on the Klaytn network.

Common Questions:

Q: What happens if I enter the wrong RPC URL or Chain ID?

A: If you enter incorrect parameters, your MetaMask wallet will be unable to connect to the Klaytn network. You will not be able to send or receive KLAY, or interact with Klaytn-based dApps.

Q: Where can I find the correct RPC URL and Chain ID for Klaytn?

A: The most reliable sources for this information are the official Klaytn website's documentation and reputable Klaytn community forums. Avoid using information from untrusted sources.

Q: Can I add multiple networks to my MetaMask wallet?

A: Yes, MetaMask allows you to add multiple networks simultaneously. This is useful if you frequently interact with different blockchains.

Q: What if I have trouble adding the Klaytn network?

A: If you encounter problems, double-check the accuracy of all the parameters you entered. Ensure you're using the correct RPC URL and Chain ID for the desired network (mainnet or testnet). You may also want to consult the official Klaytn documentation or community resources for troubleshooting assistance. Consider checking for updates to your MetaMask extension.

Q: Is it safe to add custom networks to MetaMask?

A: Adding custom networks is generally safe as long as you obtain the network parameters from trusted sources. Be wary of unfamiliar or suspicious websites that provide these details. Always prioritize using official documentation and reputable community channels.