Sand-Size Microchips Take on Fake Foods and Drugs > Tiny silicon motes tackle hard problems of fraud in Big Ag and Big Pharma

Image caption: To fight counterfeits, makers of authentic Parmigiano-Reggiano cheese in Italy are putting silicon chips smaller than a grain of sand on their cheese wheels. These microchips use the blockchain to trace products from growers to grocery shelves. Image credit: P-CHIP. Article by Prachi Patel. IEEE Spectrum – September 8, 2023.

Labels on your grocery store products might say “Spanish extra-virgin olive oil” or “New Zealand grass-fed beef,” but these are just words. How can such broad claims ever be verified? Food fraud — things like additives, dilutions, mislabeling, and substitution—affects over 1 percent of the global food industry, according […]

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