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| 'Invisible' QR codes set to make counterfeit bank notes history Times of India The researchers from the University of South Dakota and South Dakota School of Mines and Technology believe the new style of QR code could also be used to authenticate virtually any solid object. The research by the experts has been published in IOP ... | ||
| Why It Is About to Get a Lot More Difficult to Produce Counterfeit Cash Gizmodo A team of scientists led by Jon Kellar at the South Dakota School of Mines and Technology have come up with a special QR code—using nanoparticles combined with blue and green fluorescent ink—that can be used to prevent counterfeiters from getting ... |
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