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Thanks for the interesting answer, lots of things I want to google now! :D

• Tade0 3y ago
  If you want to learn more, I recommend a paper by John Daugman - inventor of the encoding system used to store and verify iris data: https://www.robots.ox.ac.uk/~az/lectures/est/iris.pdf https://www.robots.ox.ac.uk/~az/lectures/est/iris.pdf By far the largest database of irises is the one created by India’s Unique Identification Authority, with more than a billion people enrolled: https://www.irisid.com/indian-national-identity-program-tops-one-billion-enrollees-2/ https://www.irisid.com/indian-national-identity-program-tops...