MetaMask Extension is a browser-based cryptocurrency wallet and gateway to Web3 applications.
By installing the extension, users can securely manage Ethereum and other blockchain assets,
interact with decentralized applications (dApps), use decentralized finance (DeFi) platforms,
and explore NFT marketplaces. The wallet stores private keys locally and enables secure transaction signing.
Key Features
Manage Ethereum, ERC-20, and NFT assets.
Interact with dApps and DeFi platforms seamlessly.
Send and receive crypto securely with browser integration.
Support for multiple networks and custom RPC endpoints.
Backup and restore wallet with a 12-word seed phrase.
View transaction history and manage permissions.
All private keys are encrypted and stored locally in your browser.
Never share your seed phrase with anyone or enter it on untrusted sites.
How to Install MetaMask Extension
Open your browser's extension store (Chrome Web Store, Firefox Add-ons, Edge Add-ons).
Search for “MetaMask” and verify it is the official extension.
Click “Add to Browser” and approve the installation.
Once installed, click the MetaMask icon in the toolbar to launch.
Create a new wallet or import an existing one using your seed phrase.
Set up a secure password to access the wallet in your browser.
Always download MetaMask from the official website or verified browser stores.
Never share your 12-word seed phrase or private keys with anyone.
Check all dApp transaction requests carefully before approval.
Consider pairing MetaMask with a hardware wallet for additional security.
Keep your browser and extension updated to prevent vulnerabilities.
By following security best practices, MetaMask Extension enables you to safely access the Web3 ecosystem while maintaining full control over your assets.