This guide explains how to add the Arbitrum network to your MetaMask wallet. Arbitrum is a leading Layer 2 blockchain solution for Ethereum, designed to enhance scalability while maintaining security. Follow these steps to seamlessly integrate Arbitrum and start exploring its decentralized applications (DApps).
Key Highlights
- Arbitrum Overview: A Layer 2 scaling solution for Ethereum, hosting over $2.5 billion in assets and 3 million transactions.
- Two Connection Methods: Add Arbitrum to MetaMask automatically via the Arbitrum Bridge or manually input network details.
- Chain ID: Use
42161to connect to Arbitrum One.
Step-by-Step Guide to Add Arbitrum to MetaMask
1. Log In to MetaMask
- Open your MetaMask extension or mobile app.
- Ensure you’re signed in to your account.
2. Navigate to "Add Network"
- Click the network dropdown (default: "Ethereum Mainnet").
- Select "Add Network" at the bottom.
👉 Learn more about MetaMask networks
3. Enter Arbitrum Network Details
Fill in the following fields:
| Field | Value |
|------------------------|--------------------------------------|
| Network Name | Arbitrum One |
| RPC URL | https://arb1.arbitrum.io/rpc |
| Chain ID | 42161 |
| Currency Symbol | ETH |
| Block Explorer | https://arbiscan.io |
- Click "Save" to add the network.
How to Bridge Assets from Ethereum to Arbitrum
1. Visit the Arbitrum Bridge
- Go to Arbitrum Bridge.
- Connect your MetaMask wallet when prompted.
2. Select Assets to Transfer
- Choose the token/ETH amount to bridge.
- Approve the transaction in MetaMask (gas fees apply).
3. Confirm and Wait
- Funds typically arrive on Arbitrum within 10–60 minutes.
- Switch MetaMask to "Arbitrum One" to view bridged assets.
Why Use Arbitrum?
- Lower Fees: Reduced gas costs compared to Ethereum Mainnet.
- Faster Transactions: Optimized for high throughput.
- Ecosystem Access: Explore Arbitrum-based DeFi, NFTs, and more.
Conclusion
Integrating Arbitrum with MetaMask unlocks a scalable, cost-efficient Ethereum experience. Follow this guide to bridge assets and interact with Arbitrum’s growing ecosystem effortlessly.
Frequently Asked Questions
1. What is the Arbitrum Bridge?
The Arbitrum Bridge facilitates asset transfers between Ethereum and Arbitrum, enabling cheaper and faster transactions.
2. Can I use MetaMask on desktop?
Yes! MetaMask offers browser extensions for Chrome, Firefox, and Edge—no standalone PC app required.
3. Is MetaMask beginner-friendly?
Absolutely. MetaMask is ideal for Ethereum users, offering intuitive controls and robust security.
4. How long does bridging take?
Transactions usually complete within an hour, depending on Ethereum network congestion.
5. What’s Arbitrum’s Chain ID?
Use 42161 to manually connect to Arbitrum One.