We are glad you are being honest. That's why we here for.
We're not on a blockchain because for now it is not needed for our use case.
About the privacy, we hope to be the exact opposite.
We will NOT sell any personal data to brands. Only general app data like "how many users clicked on that reward",...
The user data needed for registration will also be very limited.
Did I mention you do not need to give out any data to use the app at first? :)

Hopefully you will try it when it will be released.
Thanks for your feedback!

2 shares incoming!