How to Add Mantle to MetaMask

Summary: Mantle, an Ethereum Layer 2 network, can be added to MetaMask through ChainList or manual RPC setup (Chain ID 5000).
Built with modular architecture and zk-proofs, Mantle delivers low-cost, high-speed transactions secured by Ethereum. Its EVM compatibility allows direct dApp deployment, asset transfers, and DeFi access within MetaMask.
ChainList is the most trusted aggregator of EVM-based Layer 1 and 2 networks. It allows users to instantly connect their MetaMask to verified Chain and Network IDs, ensuring a safe connection.
Supported Networks
100+ Layer 1 and Layer 2 chains
Development Team
Built by the Defillama team
Compatible Wallets
MetaMask only
Can I Add Mantle to MetaMask?
Yes, you can connect Mantle to MetaMask by configuring a custom RPC. Mantle is an Ethereum Layer 2 network that uses modular architecture and zk-proofs to deliver faster transactions, lower fees, and Ethereum-level security.
Once added, Mantle on MetaMask allows you to interact with Ethereum-compatible apps, transfer assets, and access DeFi protocols while benefiting from Mantle’s scalable infrastructure.
How to Connect Mantle to MetaMask
The best way to add Mantle to MetaMask is through ChainList, a trusted directory that automatically imports verified network settings into your wallet. This method ensures accuracy, prevents misconfiguration, and minimizes security risks compared to entering details manually.
Quick Steps to Add Mantle via ChainList:
- Visit ChainList: Go to the official ChainList website and connect your MetaMask wallet.
- Search for Mantle: Enter "Mantle" into the search bar.
- Add Network: Click Add to MetaMask next to Mantle.
- Confirm Integration: Approve the connection request in MetaMask to finalize setup.

Mantle Mainnet RPC and Chain ID
If you prefer to connect Mantle to MetaMask manually instead of using ChainList, enter the following verified network settings:
- Network Name: Mantle
- RPC URL: https://rpc.mantle.xyz/
- Chain ID: 5000
- Currency Symbol: MNT
- Block Explorer URL: https://mantlescan.xyz/
Always verify these settings against Mantle’s official documentation to ensure secure access.
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Mantle Testnet RPC and Chain ID
For developers testing dApps or users exploring Mantle’s test environment, add the following configuration to MetaMask:
- Network Name: Mantle Testnet
- RPC URL: https://rpc.sepolia.mantle.xyz/
- Chain ID: 5003
- Currency Symbol: MNT
- Block Explorer URL: https://sepolia.mantlescan.xyz/
Once connected, you can deploy contracts, run tests, and interact with Mantle’s Sepolia-based network through MetaMask.
About Mantle
Mantle is an Ethereum Layer 2 network built with modular architecture and zero-knowledge proofs to deliver faster, cheaper transactions while inheriting Ethereum’s security. Its EVM compatibility lets developers deploy existing smart contracts with minimal changes, improving scalability without sacrificing decentralization.
The network integrates EigenDA for data availability, supports ETH restaking, and offers native assets like mETH (liquid staked ETH) and fBTC (wrapped Bitcoin). Governed by MNT token holders and backed by a $200M ecosystem fund, Mantle is designed to support advanced DeFi, staking, and institutional-grade financial applications.

Final Thoughts
Adding Mantle to MetaMask is easy and unlocks access to a high-performance Ethereum Layer 2 network.
Whether you connect through ChainList for convenience or enter RPC details manually, ensure you verify the settings with official Mantle resources.
Once integrated, you can securely manage MNT, test applications, and interact with DeFi protocols while taking advantage of Mantle’s scalability and low transaction costs.
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Written by
Emily Shin
Research Analyst
Emily is passionate about Web 3 and has dedicated her writing to exploring decentralized finance, NFTs, GameFi, and the broader crypto culture. She excels at breaking down the complexities of these cutting-edge technologies, providing readers with clear and insightful explanations of their transformative power.