MetaMask Extension© Security® Guide™

Your Guide to Safer Web3 Wallet Management

1. Introduction

MetaMask is a self-custodial cryptocurrency wallet available as a browser extension and mobile application. It allows users to manage supported digital assets, interact with decentralized applications (dApps), and approve blockchain transactions. Users maintain control of their wallet credentials and are responsible for protecting access to their funds.

This security guide explains installation, wallet management, security practices, and important terms to help users navigate Web3 more confidently.

2. Security Policy and Terms

Privacy and data protection: Keep your Secret Recovery Phrase, private keys, and wallet password confidential. Never disclose them to strangers, websites, or people claiming to offer technical support.

Authorized installation: Download MetaMask only through its official website or the appropriate official browser extension store. Avoid unofficial installers and suspicious download links.

Transaction responsibility: Review recipient addresses, network details, token approvals, and transaction fees before confirming. Blockchain transactions are generally irreversible.

Terms of use: Users are responsible for securing their devices, following applicable laws, and evaluating third-party applications before connecting their wallets. Security alerts provide useful risk information but cannot guarantee that every scam will be detected.

3. User Manual: Getting Started

Step 1 — Install the extension: Visit the official MetaMask website and select the download option for your browser.

Step 2 — Create or restore a wallet: Follow the on-screen instructions to create a new wallet or restore an existing one. Back up your Secret Recovery Phrase securely offline.

Step 3 — Set a strong password: Choose a unique password and protect the device on which your wallet is installed.

Step 4 — Receive assets: Open your wallet, copy your public wallet address, and verify the network before receiving cryptocurrency.

Step 5 — Connect to dApps: Visit a trusted decentralized application and connect your wallet only when necessary. Review the requested permissions carefully.

Step 6 — Confirm transactions: Check the recipient, amount, network, fees, and requested signatures before approving anything.

4. Important Security Warnings

Remember: No wallet can eliminate every cybersecurity risk. Stay alert and verify before you approve.

5. Helpful Official Links

Use these official resources to check installation instructions, learn about scams, and find legitimate support.

6. Frequently Asked Questions

Q1. Is MetaMask free to install?
Yes, the wallet extension is free to install. Network fees and third-party service charges may apply.

Q2. Can MetaMask recover my Secret Recovery Phrase?
No. If you lose it and cannot access your wallet, MetaMask cannot retrieve it for you.

Q3. Is it safe to connect MetaMask to every website?
No. Connect only to trusted websites and review all requested permissions.

Q4. What should I do if a website requests my recovery phrase?
Stop immediately and close the website. Never enter your phrase on an ordinary website or share it with support agents.

Q5. Are MetaMask security alerts a guarantee of safety?
No. Alerts help identify potential risks, but threats may go undetected. Always perform your own checks.

7. Final Security Reminder

MetaMask provides tools for managing digital assets, but safe usage depends on informed decisions and strong security habits. Verify official links, protect your credentials, and carefully inspect every transaction before signing.

Disclaimer: This guide is for educational purposes only. It is not an official MetaMask publication, financial advice, or a guarantee against loss. Verify product information through official MetaMask resources.