The paper on camera-based random number generator has been published half a year ago. Now the same group of researches from University of Geneve, Switzerland publishes their deck of slides "Quantum random number generation on a mobile phone" by Bruno Sanguinetti, Anthony Martin, Hugo Zbinden, and Nicolas Gisin.
And here is Youtube video of the presentation:
A fingerprint of light individually identifying and linking every picture to its camera. Am I correct on some level?
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