Introduction
Ever spent 10 minutes manually adding a blockchain network to MetaMask only to get an error? Mistyped RPC URLs account for over 70% of failed network additions for beginners. Chainlist fixes this in one click, providing a verified and hassle-free way to add networks.
In this Chainlist MetaMask Techedubyte guide, you’ll learn how to add networks step by step, explore popular networks in 2025, troubleshoot common issues, stay secure, and optimize your MetaMask wallet for multi-chain DeFi and NFTs.
What is Chainlist?
Chainlist is a community-driven platform that lists verified blockchain networks, including:
- Network Name
- RPC URL
- Chain ID
- Native Currency Symbol
By using Chainlist, you eliminate manual errors and make adding networks fast, secure, and beginner-friendly.
Official Reference: Chainlist.org | MetaMask Documentation
Why Chainlist Exists
Manual network setup is often error-prone and confusing. Chainlist ensures:
- Quick and accurate setup
- Verified RPC URLs
- Beginner-friendly interface
Networks Supported by Chainlist
Here’s a table of popular networks in 2025:
| Network Name | Chain ID | Symbol | RPC URL Example | Notes |
|---|---|---|---|---|
| Ethereum Mainnet | 1 | ETH | https://mainnet.infura.io/v3/… | Standard gas fees |
| BNB Smart Chain | 56 | BNB | https://bsc-dataseed.binance.org/ | Low fees, DeFi-friendly |
| Polygon | 137 | MATIC | https://polygon-rpc.com/ | NFT & gaming popular |
| Avalanche | 43114 | AVAX | https://api.avax.network/ext/bc/C/rpc | Fast and scalable |
| Arbitrum | 42161 | ETH | https://arb1.arbitrum.io/rpc | Layer 2 Ethereum |
| Optimism | 10 | ETH | https://mainnet.optimism.io | Layer 2 Ethereum |
💡 Visual Suggestion: Include screenshots showing network details in Chainlist before adding to MetaMask. Use alt text: “Screenshot showing Polygon network added to MetaMask using Chainlist.”
Why Use Chainlist with MetaMask?
Benefits for Beginners
- One-click network addition
- Verified RPCs prevent errors
- Easy multi-chain switching
- Beginner-friendly interface
Multi-Chain Use Cases
Chainlist allows you to connect to networks for DeFi apps, NFTs, and blockchain games.
For more on Layer 2 networks, see our Techedubyte guide here.
LSI Keywords Used: add networks MetaMask, verified RPC MetaMask, MetaMask multi-chain setup
Step-by-Step Guide to Add Networks with Chainlist MetaMask
Step 1: Install & Setup MetaMask
Download MetaMask (browser or mobile). Create your wallet and securely back up your seed phrase.
Tip: Never share your seed phrase or store it online.
Step 2: Visit Chainlist.org
Go to https://chainlist.org.
Tip: Always verify SSL and avoid phishing sites.
Step 3: Connect MetaMask Wallet
Click Connect Wallet and approve inside MetaMask.
Tip: Only connect on official sites; phishing sites may mimic Chainlist.
Step 4: Search for the Network
Type the network name, e.g., Polygon or BNB Smart Chain.
Tip: Verify network details match the official RPC.
Step 5: Add to MetaMask & Approve
Click Add to MetaMask, then approve the pop-up.
Tip: Check Chain ID and symbol to avoid adding wrong networks.
Step 6: Switch Network & Verify
Click Switch Network to start using it immediately.
Tip: Ensure sufficient gas fees in your wallet for transactions on new networks.
💡 Visual Suggestion: Annotated screenshots showing network search, Add to MetaMask pop-up, approval, and network switch.
Popular Networks You Can Add Using Chainlist
- Ethereum Mainnet: Default chain for ETH & ERC-20 tokens.
- BNB Smart Chain: Low fees, popular in DeFi.
- Polygon (MATIC): Fast for NFTs & gaming.
- Avalanche: Scalable high-speed blockchain.
- Arbitrum & Optimism: Ethereum Layer 2 solutions.
- Fantom: Fast DeFi protocols.
💡 Break each network into 1–2 sentences for readability.
Must Read: $18 Million Ghost Facility?
Advanced Features for Developers
Adding Testnets
Add Goerli, Sepolia, Mumbai, Fuji testnets for dApp development and testing.
Contributing New Networks
Developers can submit pull requests on Chainlist GitHub to add new networks.
Tip: Testing multiple networks avoids errors in production dApps.
Common Issues and Fixes
- Chain ID Mismatch: Choose another verified RPC from Chainlist.
- RPC URL Not Working: Switch to an alternate RPC.
- Network Already Added: Edit or delete under Settings → Networks.
Tip: Refresh MetaMask or reset account cache for persistent issues.
Security Tips for Using Chainlist and MetaMask
- Only use official sites: Chainlist.org & MetaMask.io
- Never share your seed phrase or private keys
- Always check Chain ID, RPC URL, and SSL certificate
- Avoid public Wi-Fi for crypto transactions
- Enable MetaMask alerts for suspicious activity
- Watch for social engineering attacks or phishing RPCs
- Optional: Enable two-factor authentication on connected accounts
Chainlist vs Manual Network Addition
| Feature | Chainlist | Manual Entry |
|---|---|---|
| Speed | One-click | Copy-paste required |
| Accuracy | Verified RPC | High error risk |
| Beginner-Friendly | Yes | No |
| Customization | Limited to verified | Full flexibility |
Latest Updates in 2025
- New Layer 2 networks: Base, zkSync, Linea
- Better mobile support
- Faster network switching in MetaMask
FAQs about Chainlist MetaMask Techedubyte
Q1. Is Chainlist safe?
Yes, if you use official Chainlist.org and verify details.
Q2. Can I add multiple networks?
Yes, it supports all major EVM networks.
Q3. Does Chainlist work on mobile?
Yes, via the in-app browser.
Q4. What if RPC fails?
Choose a different verified RPC.
Q5. Can I remove or edit networks?
Yes, via Settings → Networks → Edit/Delete.
Conclusion
Stop wasting time manually adding networks. With Chainlist MetaMask Techedubyte, you can add any blockchain quickly and securely. Start adding networks today and explore multi-chain DeFi safely.
Always verify RPC details and stay updated with our guides to navigate the crypto world with confidence.
