Photo: Skip Russell / Flickr (CC BY-NC-ND 2.0) Over the summer, more than a dozen food companies and retailers — including Walmart, Nestle and Tyson Foods, and motivated by tech giant IBM — formed a consortium dedicated to using blockchain technology to gather better information on the origin and state of food.

Scant details have emerged about their intentions, but that hasn’t stopped one company, Unilever, from moving forward with a year-long pilot project that will use blockchain to manage transactions within its tea supply chain.

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