> In the future maybe each pack of paper will have a steganographic tracking code - slight white variations for example, so you could track the paper to the sel

> In the future maybe each pack of paper will have a steganographic tracking code - slight white variations for example, so you could track the paper to the selling shop. Unfortunately, it might not even be necessary to mark the sheets of paper in order to be able to track them: https://citp.princeton.edu/research/paper/ https://citp.princeton.edu/research/paper/