I understand that absolute confidentiality will be realized? I mean that the user can decide for himself, leave information about himself and his history of actions openly or in private.
Yup, you understand it right. This is the case with this project. And I believe that a lot is liking how privacy is taken pretty seriously in the fairninja platform because nowadays, you can't trust your private information to the internet anymore because a lot will take advantage of it without you even knowing.