In one of my articles, I talked about Zero Knowledge technology, which allows data to become truly confidential. In this article, we will discuss with you in which areas zero knowledge technology can find application. The first thing that comes to my mind is medicine. Data about our diseases is stored in cards and common databases. Access to this data is open, and if desired, any doctor, regardless of their specialization, can see what and when we were sick. In addition, our medical history i...