About MetaMask Extension

MetaMask Extension is a browser-based cryptocurrency wallet for managing Ethereum, ERC-20 tokens, and interacting with Web3 applications. It is available for Chrome, Firefox, Edge, and Brave. The extension allows secure management of crypto assets, transaction signing, and dApp connectivity while keeping your private keys safe.

Key Features

• Manage Ethereum and ERC-20 tokens securely.
• Connect to decentralized applications (dApps) from your browser.
• Create and manage multiple accounts.
• Import wallets using seed phrases or private keys.
• Custom networks support (Ethereum testnets and other networks).
• Transaction history and balance tracking.

Installing MetaMask Extension

1. Open your browser’s extension store (Chrome Web Store, Firefox Add-ons, Microsoft Edge Add-ons, or Brave extensions).
2. Search for “MetaMask” and select the official extension.
3. Click “Add to Browser” and confirm installation.
4. The MetaMask icon will appear in your browser toolbar after installation.

Setting Up MetaMask Extension

• Click the MetaMask icon and select “Get Started”.
• Choose to create a new wallet or import an existing one.
• Set a strong password for the extension.
• Securely store your 12-word seed phrase offline; never share it online.
• Confirm your seed phrase as instructed to complete setup.

Using MetaMask Extension

• Send and receive ETH and ERC-20 tokens safely.
• Connect to Web3 dApps and approve transactions through the extension.
• Switch networks, import tokens, and manage multiple accounts.
• Use with hardware wallets like Ledger or Trezor for added security.

Security Tips

• Only install MetaMask from the official website or verified extension stores.
• Never share your seed phrase or private keys.
• Verify transactions on the extension before confirming.
• Use hardware wallet integration for maximum security.
• Keep the extension updated to the latest version.

Troubleshooting

• If the extension does not appear, restart the browser or reinstall it.
• Clear browser cache if issues arise with dApp connections.
• Ensure the browser is updated to the latest version.
• Contact MetaMask Support for help.