The clink of glasses cuts through the cacophony of friends and new acquaintances chattering around the room. Waiters move smoothly through the crowd offering trays of sushi to the assembled guests. Looking at the selection of rice parcels on offer, a woman picks up her phone and scans a barcode on the tray. Within seconds, the app shows her where the tuna on this sushi has been fished, and confirms its sustainable, regulated source. She smiles, picks up a piece and pops in in her mouth. “Delicious.”
Fact or fiction? At the ConsenSys Ethereal conference in New York in November 2018, the provenance of the tuna on the sushi served for guests was authenticated through an Ethereum application. The tuna scenario is a commonly ...
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