MetaMask is a popular Ethereum wallet used to interact with the Ethereum blockchain. We will be discussing why you need MetaMask, popular places used, and compatibility. MetaMask is a free web and mobile crypto wallet that allows users to store and swap Ethereum and other ERC-20 tokens. MetaMask users will interact with Ethereum huge ecosystem and access decentralized applications (dApps). MetaMask can be installed on iOS, Android, Chrome browser extension, and can interact with popular hardware wallets from Ledger and Trezor. MetaMask supported assets beside Ethereum , and ERC-20 tokens are tether, bat, and usd coin. The Pros of using MetaMask are: The need to only download one app or browser extension to access dApps very easy to use, well designed layout high level of security availability whatever device you have you will be able to download MetaMask The Cons of Using MetaMask are: online wallet, there is a greater risk of being hacked than with other type of wallets, such a