MetaMask is essentially the gateway drug to DeFi and Web3 — and I mean that as a compliment. It has become the de facto standard wallet for interacting with Ethereum and EVM-compatible chains, and its browser extension model is genuinely intuitive once you get past the initial setup. The ecosystem integration is unmatched; virtually every dApp supports MetaMask first. However, it's not without frustrations. The default gas fee estimates can be unreliable, the swap feature carries a notable service fee, and the UI can feel cluttered when managing multiple networks and tokens. Security is self-custodial, which is empowering but also means one careless seed phrase backup away from total loss. The mobile app has improved significantly but still lags behind the browser extension in polish. For newcomers, the learning curve around approvals, gas, and network switching can be steep. Despite its imperfections, MetaMask remains the most practical and widely supported wallet in the Ethereum ecosystem.
Ubiquitous dApp compatibility — virtually every Ethereum dApp supports it natively Open-source with strong community trust and years of track record Supports custom RPC networks, making it flexible across EVM chains Self-custodial design gives users full control of their private keys Built-in swap feature charges a 0.875% service fee on top of network gas Gas fee estimation can be inaccurate, sometimes leading to stuck or overpaid transactions Phishing attacks frequently target MetaMask users due to its popularity