Nanotechnology, Deep Learning, Artificial Intelligence, Counterfeiting.
https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.intrinsic-id.com%2Fphysical-unclonable-function%2F&psig=AOvVaw2haNGlwTG3jdvSWA_pj0kQ&ust=1653648736128000&source=images&cd=vfe&ved=0CA0QjhxqFwoTCKjdi97__PcCFQAAAAAdAAAAAB https://www.csl.cornell.edu/~suh/papers/dac07.pdf