Under Your Control. Buy, store, trade, dozens of cryptocurrencies. One app. The Edge Wallet combines these features into one user friendly platform for. The client needed a blockchain wallet app that allows the users to instantly send and receive Bitcoin and Ethereum. The application also needed to be as simple. If I lose my phone or delete the app, will I lose my bitcoin? No, you can still access your wallet online using the web interface. To login all you need is your Wallet.