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 app, which can then be used to interact with decentralized applications. MetaMask wallet supports swaps and purchases. NFTs can be bought on the mobile app,It powers you to buy, sell or transfer assets on the blockchain. And MetaMask is a wallet for the most diverse blockchain in existence–Ethereum. It's your gateway to its DeFi ecosystem, non-fungible tokens (NFTs)MetaMask is the perfect beginner wallet for someone who is only interested in Ethereum. If you're also interested in Bitcoin or another cryptocurrency, then you may want to opt for a different wallet.