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Blockchain: A Better Way to Track Pork Chops, Bonds, Bad Peanut Butter?

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Port of Mombasa

Cargo containers are loaded on a Maersk ship at the Port of Mombasa in Kenya. IBM has heated competition in the race to monitor transactions.

Credit: Andrew Renneisen for The New York Times

Frank Yiannas has spent years looking in vain for a better way to track lettuce, steaks and snack cakes from farm and factory to the shelves of Walmart, where he is the vice president for food safety.

From The New York Times
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