Parmigiano-Reggiano makers are putting edible microchips the size of a grain of sand into their 90-pound cheese wheels to combat counterfeiters::Italian Parmigiano-Reggiano makers are using microchips to verify the authenticity of their products and thwart scammers.
Worth noting that they use microchips because blind taste tests, chemical analysis, and any other comparison demonstrates that copies are indistinguishable - if you buy prestige food products you’re almost certainly just wasting money