The usage of Android apps, provided by the COINTECH web site requires the following permissions.
Camera allows for scanning QR codes. Immediately after parsing the QR code, the image is deleted from memory.
External storage to be able to keep wallet backups and restore from backups. No other file types are accessed.
Full network access enables the app to connect to the Blockchain network and fetch auxillary data like exchange rates.
The Blockchain network is decentralized. There is no server that would hold any of your private data.
The blockchains networks are:
Ladybug, used by Ladybug Wallet
Aurumcoin AU, used by Aurumcoin Wallet
Fireflycoin, used by Fireflycoin Wallet
Zetacoin, used by Zetacoin Wallet