MetaMask is essential for accessing DeFi and Web3. Here's how to set it up securely.
Installation
- Go to metamask.io (verify URL!)
- Click Download for your browser/device
- Add the extension to Chrome/Firefox/Brave
- Click 'Create a Wallet'
Securing Your Wallet
- Create a strong password
- Write down your 12-word Secret Recovery Phrase
- Store it securely offline (never digitally)
- Verify by entering the phrase
Adding Networks
MetaMask supports Ethereum by default. To add other networks:
- Click network dropdown
- Click 'Add Network'
- Enter network details or use chainlist.org
Popular networks: Polygon, Arbitrum, Optimism, BSC, Avalanche
Using MetaMask
- Send/receive crypto using your address
- Connect to DeFi sites with 'Connect Wallet'
- Swap tokens directly in MetaMask
- View and manage NFTs
Security Tips
- Never share your Secret Recovery Phrase
- Check URLs before connecting
- Revoke unnecessary permissions
- Use a hardware wallet for large amounts