In this presentation I want to talk about chances and challenges for Ethereum on the Android platform. This platform is not only able to provide access to a huge amount of users and enable a lot of use-cases - it can also help us to improve security. For example by: using old Android devices as offline signing devices using new systems like Android Protected Confirmation connecting hardware wallets like a TREZOR via USB-OTG, Bluetooth or NFC leveraging the application sandbox using separate…