Italian Parmigiano-Reggiano makers are using microchips to verify the authenticity of their products and thwart scammers.

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.