New weapon to combat counterfeit goods: use your smartphone to check for fake merchandise

ScienceDaily | 2/21/2019 | Staff
ajoy26 (Posted by) Level 3
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In response, two researchers from the University of Copenhagen's Nano-Science Center have developed a 100% pirate-safe labelling system, where individual items receive a label, a so-called 'tag', that corresponds with a unique fingerprint. After nearly 10,000 tests, the researchers have proved that their method works.

"You can put it on a wine bottle, a gold watch, a painting -- whatever. The label needn't be larger than a comma. And, it is impossible to copy because the probability that two items share the same fingerprint is nil," says UCPH researcher and associate professor Thomas Just Sørensen, who along with fellow researcher Riikka Arppe-Tabbara has developed the anti-counterfeiting system that they are able to confidently refer to as "the world's safest."

Fingerprint - Bit - Ink - Microparticles - Bar

The fingerprint, or 'tag', consists of a bit transparent ink containing various microparticles, sprayed upon a bar code on paper for example. Just as a handful of sand thrown over a surface would, the particles form a random, completely unique pattern of tiny white dots when applied. As there is no chance of creating identical patterns using this method, it is impossible to copy.

Because the ink can be sprayed over any type of bar code and onto many types of materials, the tags are inexpensive to mass-produce. The system works in such a way that each...
(Excerpt) Read more at: ScienceDaily
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