IOs and Andriod app version The app and database need to be safe from cyber-attacks. Input data to be split and saved to different providers. All encrypted with a random key. The app does not track the user or stores the IP address. If appropriate IP spoofing, device spoofing, Onion, TOR, Linus OS. Whatever ensure best security but does not affect performance too much. Accept payments in crypto and gift cards - as anonymous as possible Accept payments from bank accounts Partner website to the app also with the same security requirements Security and developer confidentiality is essential as this is a whistleblower app and the users need to be protected.