MetaMask is a popular cryptocurrency wallet used to store, manage, and interact with Ethereum-based digital assets. MetaMask allows users to store various types of Ethereum-based tokens, including ERC-20. Users can easily interact with various DeFi platforms, NFT marketplaces, and blockchain games through MetaMask.

To ensure security, MetaMask uses an advanced encryption system and gives users full control over their private keys. When first set up, MetaMask will provide a recovery phrase that users should keep safe, as this is the only way to recover the wallet in case of loss of access. With its user-friendly interface and strong security features, MetaMask has become an essential tool for many users in the cryptocurrency ecosystem.