How to Add Merlin Chain to MetaMask

Merlin Chain is a Bitcoin Layer 2 network developed by Bitmap Tech, created to bring smart contracts, DeFi, and NFT applications to the Bitcoin ecosystem. It achieves this through zero-knowledge rollups (ZK-rollups) and EVM (Ethereum Virtual Machine) compatibility, enabling faster, lower-cost transactions while retaining the security of Bitcoin. As interest in Merlin Chain grows, many users are asking: How do I add Merlin Chain to MetaMask and start interacting with dApps or bridged assets?

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What Is Merlin Chain?

Merlin Chain is a Layer 2 network designed to scale Bitcoin while unlocking new functionality. Built by Bitmap Tech, Merlin Chain supports smart contracts, decentralized applications (dApps), and cross-chain interoperability through EVM compatibility. It allows users to bridge assets from Ethereum, BNB Chain, and other networks into an ecosystem that connects directly to Bitcoin’s base layer.

By combining Bitcoin’s security with the programmability of Ethereum-like chains, Merlin Chain aims to enable a new wave of innovation in DeFi, NFTs, and Web3 infrastructure—all rooted in the Bitcoin network.

Why Add Merlin Chain to MetaMask?

MetaMask is one of the most widely used Web3 wallets and supports custom networks. Adding Merlin Chain to MetaMask allows you to:

• Access dApps built on Merlin: Interact with DeFi protocols, NFT platforms, or other smart contract tools deployed on the network.
• Manage MERL and bridged tokens: Send, receive, and track native or cross-chain assets within your MetaMask wallet.
• Participate in governance or staking: If Merlin Chain supports on-chain governance or reward systems, MetaMask can serve as your gateway.

Adding the network also prepares your wallet for any future airdrops, token launches, or integrations within the Merlin ecosystem.

How to Add Merlin Chain to MetaMask

Follow these steps to manually add Merlin Chain to your MetaMask wallet:

Step 1: Open MetaMask

Click the MetaMask icon in your browser or open the mobile app. Make sure you’re logged in.

Step 2: Open the Network Menu

Click the network dropdown at the top of MetaMask (it might say “Ethereum Mainnet” by default), then select “Add Network” or “Add a Network Manually” depending on your version.

Step 3: Enter Merlin Chain RPC Details

You’ll be prompted to enter the custom network information. Use the official parameters from merlinchain.io. If Merlin Chain is not yet live, you may need to wait for finalized details.

Example Parameters (check official sources before use):

• Network Name: Merlin Chain
• New RPC URL: https://rpc.merlinchain.io (placeholder – confirm on official site)
• Chain ID: 4200 (placeholder – confirm on official site)
• Currency Symbol: MERL
• Block Explorer URL: https://scan.merlinchain.io (placeholder – confirm on official site)

Once entered, click Save. You should now see Merlin Chain listed in your network dropdown.

Step 4: Switch Networks

After saving, MetaMask will switch to Merlin Chain. You’re now ready to interact with Merlin-based applications.

Before you begin, make sure you have the following:

• MetaMask wallet (available as a browser extension or mobile app)
• Official RPC details from Merlin Chain’s verified site or documentation
• (Optional) Some MERL tokens or bridged assets for testing once the chain is live

Adding the wrong network information could result in failed transactions or exposure to phishing risks, so always confirm data from official sources.

Adding Merlin Chain to MetaMask is a straightforward process that unlocks access to Bitcoin-native smart contracts, DeFi, and more. Be sure to:

• Verify RPC parameters through Merlin Chain’s official website or trusted announcements
• Start with small transactions when exploring new networks or dApps
• Keep your MetaMask secure by avoiding unknown links or suspicious contracts

As Merlin Chain continues to develop, connecting your MetaMask wallet ensures you’re ready to explore its growing ecosystem safely and effectively.