MetaMasK EXTENSION:- An Ethereum wallet for all your storage needs. When we compare an Ethereum wallet with other kinds of wallets that are available in the market space, we get to know that such wallets work in quite a different way. MetaMask is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser! The extension injects the Ethereum web3 API into every website's javascript context, MetaMask® Extension® - Browser extension - webflow