MetaMask is a software cryptocurrency wallet used to interact with the Ethereum blockchain. It allows users to access their Ethereum wallet through a browser extension or mobile application, enabling them to interact with Ethereum-based decentralized applications, or “dApps”, directly in their browser.
Users can buy, store, send and swap tokens, while developers can use it to handle blockchain-related intricacies, making it easier to build Ethereum-based applications.
Beyond just Ethereum, MetaMask also supports Ethereum-compatible networks, such as Binance Smart Chain and Polygon (formerly Matic).
Please note that, as a hot wallet, security is an important concern. It means that it’s connected to the internet, and if your computer gets hacked, your wallet could potentially be at risk. It’s recommended to use hardware wallets or other cold storage methods for large amounts of cryptocurrencies.
Remember that while MetaMask is widely used and generally considered secure, it’s still important to be aware of phishing attempts and other online scams. Always make sure you’re using the authentic MetaMask service, and never give out your seed phrase to anyone.