Microchips added to wheels of parmigiano reggiano to fight counterfeiting

It's the latest innovation from the Parmigiano Reggiano Consortium

parmigiano reggiano – the only kind which can be called parmesan within Europe – must be made in a small part of northern Italy, including in the provinces of Parma and Reggio Emilia.

In addition, the wheels of cheese – which weigh on average 40kg (88lb) – have to be matured for at least 12 months in a mountain area, and are tested by experts two years after production to ensure they make the grade.

...

Given the strict rules in attaining the certification, such delicacies usually sell for higher prices, making it an enticing market for copycats. Indeed, the PRC estimates that annual global sales of counterfeit cheese reach about $2bn (£1.6bn), not far off those of the authentic product