Most people can buy parmesan cheese in supermarkets, but did you know Europe follows stricter rules for this food? People in that part of the world may only produce Parmesan or Parmigiano Reggiano from specific Italian regions. Nowadays, Italy protects the identity of its cultural food product with an unlikely tool: microchips! Licensed parmesan makers embed microchips into the rinds of their cheese wheels to authenticate them. They are as small as salt grains, but they secure these food products with a blockchain, the computer networks behind cryptocurrencies.

https://technology.inquirer.net/127210/parmesan-makers-fight-fakes-with-microchips

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