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.
What corporation which validates their supply chain for authenticity is not already centralized? It literally makes no sense when the official manufacturer and logistics partners are all known, at that point you may at best want “transparency logs” but not blockchains. They’re not even intended to stay authenticated on a second hand market, so there’s no need to be able to keep tracking their movements after first sale