Mobile Paper Wallet — Open Source Productivity App

A single use wallet application that allows you to generate bitcoin private key and address so you can receive cryptocurrencies and then transfer it out by scanning the QR code by another mobile. It's built using Python and Kivy framework. It supports few coins like Bitcoin, Bitcoin Cash and their testnet version. Also supports Ergon and can easily support coins that are using the cashaddress format. App keeps historical list of generated address, key pairs that could be exported.