MetaMask Review

Overview

MetaMask is the world's most popular Web3 wallet with over 30 million monthly active users. Available as a browser extension and mobile app, MetaMask is the gateway to Ethereum and EVM-compatible blockchain ecosystems. If you use DeFi, NFT marketplaces, or dApps, MetaMask is likely your primary tool for connecting and transacting.

While MetaMask is a hot wallet (connected to the internet), its ubiquity, ease of use, and deep integration with the Web3 ecosystem make it essential for anyone active in decentralized finance. For enhanced security, MetaMask can be paired with hardware wallets like Ledger and Trezor.

Value & Staking

MetaMask is free to use. The wallet generates revenue through its built-in swap feature, which aggregates prices across DEXs and charges a service fee (typically 0.875%). Users can also use external DEXs directly to avoid this fee.

MetaMask Portfolio provides a unified view of assets across multiple chains, and the upcoming MetaMask Snaps feature enables community-built extensions for additional functionality.

Features & Products

MetaMask provides wallet functionality for Ethereum and all EVM-compatible chains including Polygon, Arbitrum, Optimism, BSC, Avalanche, and many more. Core features include token management, token swaps, NFT viewing, and dApp connections.

MetaMask Portfolio (portfolio.metamask.io) adds cross-chain portfolio tracking, bridge functionality for moving tokens between chains, and staking access. MetaMask Snaps allows installing third-party plugins for additional features.

Supported Cryptos

MetaMask supports all ERC-20 tokens and any token on EVM-compatible networks. While it doesn't natively support non-EVM chains like Bitcoin, Solana, or Cardano, MetaMask Snaps are expanding multi-chain support.

Custom tokens can be added manually by contract address, giving users access to even the most obscure tokens on supported networks.

Security

As a hot wallet, MetaMask is inherently less secure than hardware wallets — your private keys are stored in the browser or phone, making them vulnerable if the device is compromised. However, MetaMask includes security features like phishing detection, transaction simulation, and permission management.

For optimal security, MetaMask should be paired with a Ledger or Trezor hardware wallet. This gives you the convenience of MetaMask's interface with the security of hardware-based key storage. MetaMask is open source, allowing community security auditing.

Mobile Experience

MetaMask offers a full-featured mobile app for iOS and Android. The mobile app includes a built-in browser for accessing dApps, swap functionality, and portfolio management. The mobile experience is polished and well-maintained.

Customer Support

Support is available through the MetaMask support page, community forums, and extensive documentation. As an open-source project, community support is active. ConsenSys (MetaMask's parent company) maintains a support team for critical issues.