A free program for Android, by Mixin Ltd.
The Mixin app allows users to create their own crypto wallets and send cryptocurrencies using the blockchain. The application is an open-source project, and users can follow the source code to make sure the code is secure and transparent. The application is built on top of the Mixin Network, which is a distributed second-layer solution for other blockchains. Users can choose the cryptocurrencies to store in their wallets, and they can send these cryptocurrencies from their contacts on the application.
Mixin also provides an end-to-end secure messenger service that supports the Signal communication protocol for all supported cryptocurrencies.