Blockchain: A better way to track pork chops, bonds, bad peanut butter?
from 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. When the company dealt with salmonella outbreaks, it often took weeks to trace where the bad ingredients came from. Then, last year, IBM executives flew to Walmart's headquarters in Arkansas to propose a solution: the blockchain.
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