MetaMask® Wallet: Your Self-Custody Hub
MetaMask® empowers you to securely manage cryptocurrencies, interact with dApps, and explore Web3—all while maintaining full control of your private keys. Here's your definitive guide to setup, security, and advanced functionality.
Download & Installation
Step 1: Choose Your Platform
✅ Browser Extension (Chrome/Firefox/Edge):
→ Chrome Extension
→ Firefox Add-on
→ Edge Add-on
✅ Mobile App (iOS/Android):
→ App Store | Play Store
Wallet Setup & Security
Creating Your Wallet:
- Launch MetaMask® → "Create a New Wallet"
- Set a strong local password (device encryption only)
- Back Up Your Secret Recovery Phrase (SRP):
- Write 12 words on paper
- Store offline – never digitally
- Confirm phrase order
Critical Reminders:
- Lose SRP = Permanent fund loss
- MetaMask® never requests your SRP online
- Bookmark: Official Login Portal
Core Wallet Features
FunctionHow to UseMulti-Chain SupportSwitch between Ethereum, BSC, Polygon, etc.dApp ConnectivityClick "Connect" on Uniswap/OpenSeaToken ManagementAdd custom tokens via contract addressBuilt-in SwapsExchange assets (0.875% fee + gas)Hardware IntegrationConnect Ledger®/Trezor® for enhanced security
Secure Login Protocol
- Extension: Click fox icon → Enter password
- Mobile: Biometrics or PIN
- SRP Usage: Only for wallet recovery/migration
- Phishing Alert: No "MetaMask Login" page exists – report impostor sites.
🔍 MetaMask® FAQ: Top User Concerns
Q1: Is MetaMask® free?
Yes! Gas fees apply for blockchain transactions. Avoid "premium" scam versions.Q2: How to sync mobile/desktop wallets?
Import via SRP on both devices. Transactions reflect instantly.Q3: Why are my tokens not showing?
• Manually add token contract address• Ensure correct network selection (e.g., ERC-20 on Ethereum)
Q4: Can I recover a compromised wallet?
- Create new wallet with new SRP
- Transfer funds immediately using old SRP
Q5: How to reduce swap fees?
Adjust slippage tolerance (Settings > Advanced) or use decentralized exchanges directly.Q6: "Transaction Failed" solutions?
• Increase gas fee (Advanced settings)• Check network congestion at Etherscan
Security Best Practices
- SRP Protection: Store offline – never in cloud/email
- Revoke Permissions: Regularly check Revoke.Cash
-
Phishing Defense:
» Official links only: MetaMask.io
» Verify contract addresses before interacting - Hardware Wallet Pairing: Use Ledger®/Trezor® for high-value holdings
Troubleshooting Guide
IssueSolutionExtension not loadingClear cache → Reinstall"Invalid password"Restore via SRP → Create new passwordMissing networksAdd custom RPC via ChainlistPending transactionsCancel/Speed Up in "Activity" tab
Your Action Plan:
- Download: Extension | Mobile
- Secure SRP: Write it → Store offline → Never share
- Explore Web3: Visit MetaMask Portfolio