Do you really think that individual person’s data will get enough money so that they will be interested to sell their data. Because if the data valued some cents or a little dollar they won’t be interested to sell it.
This project is more about maintaining the records of vaccination on blockchain rather collecting and selling the private data. We are not Facebook or Google. This project is to serve human beings around the world to prevent the pandemic outbreaks. Please download the white paper and read it.