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Bloomberg reports that Walmart “is getting suppliers to put food on the blockchain to help reduce waste, better manage contamination cases and improve transparency.” Frank Yiannas, Walmart’s vice president of food safety and health, told the MIT Technology Review’s Business of Blockchain conference this week that “blockchain was able to cut the time it took to track produce to two seconds from six days.”

Blockchain is defined as “a digitized, decentralized, public ledger of all cryptocurrency transactions."
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