MetaMask is a software cryptocurrency web and smartphone application that is used to interact with the Ethereum blockchain. MetaMask login allows the users to access their ETH via browser extension or mobile application. Well, it also allows the users to store and manage account keys, broadcast transactions, and send and receive Ethereum-based cryptocurrencies around the world. This application includes Integrated Service (IS) for exchanging the ETH by aggregating DEXs to find the best possible exchange rates for the users.