This article introduces a one-click, cryptographically-secure login flow using MetaMask Sign in , with all data stored on the app's own back-end.To download to your desktop sign into Chrome and enable sync or send yourself. MetaMask is an extension for accessing Ethereum enabled distributed.
MetaMask Sign in is a software cryptocurrency wallet used to interact with the Ethereum blockchain. It allows users to access their Ethereum wallet.Buy, store, send and swap tokens. Available as a browser extension and as a mobile app, MetaMask equips you with a key vault, secure login, token wallet.

Read more>>Uniswap Exchange is extremely safe, as it operates as a decentralized exchange and liquidity pool and is built on Ethereum, meaning it has the same security as the Ethereum blockchain. Since it is decentralized there is no central server to hack and gain access to users' funds.