Walmart Tells Suppliers To Use Blockchain For Tracing Greens

  • The world’s largest retailer Walmart has requested all of its suppliers of fresh, leafy greens to use blockchain technology to trace their products by 2019


  • The move comes after 2018 reported a large outbreak of E. coli in romaine lettuce, which originated from Yuma, Arizona


  • The letter sent out to suppliers details how Walmart will work with IBM’s Food Trust network to improve farm-to-table transparency


  • Frank Yiannas, VP of Food Safety at Walmart commented, “None of the bags of salad had ‘Yuma, Arizona’ on them. In the future, using the technology we’re requiring, a customer could potentially scan a bag of salad and know with certainty where it came from”


  • Yiannas added, “When it comes to safety, this is not a competitive issue, we all win or lose together.”

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