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Author Topic: [2018-09-24] Walmart Tells Produce Suppliers to Use Blockchain by Next September  (Read 12 times)
Terraformer
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September 25, 2018, 07:38:48 AM
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Walmart plans to sell leafy greens that are tracked using blockchain technology within the next year.

In a press release published Monday, the world's largest retailer both by revenue and by employee count announced that it told its suppliers for leafy green produce to integrate a blockchain-based tracking system built in collaboration with IBM by September 2019.

According to the letter sent to suppliers, any company working with Walmart must work with the IBM Food Trust network to create end-to-end traceability in two phases. The blockchain platform will make it easier for Walmart to source any food items quickly, with the release noting that tracing such items at present is "an almost insurmountable challenge."

The move comes in the wake of an E. coli outbreak that originated in Arizona earlier this year. While authorities at the Center for Disease Control warned consumers to avoid lettuce grown near the city of Yuma, Walmart vice president of food safety Frank Yiannas noted that it was difficult for customers to confirm where exactly their produce was grown.

He added in a statement:

"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."

Continue reading >> https://www.coindesk.com/walmart-will-start-tracking-groceries-on-blockchain-in-2019/


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September 25, 2018, 07:52:41 AM
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Can anyone explain to me why blockchains are useful for this? I also remember Jack Ma making it out like blockchains would be really important for manufacturing. But I don't get it.

Take this, for instance:
Quote
The move comes in the wake of an E. coli outbreak that originated in Arizona earlier this year. While authorities at the Center for Disease Control warned consumers to avoid lettuce grown near the city of Yuma, Walmart vice president of food safety Frank Yiannas noted that it was difficult for customers to confirm where exactly their produce was grown.

He added in a statement:

"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."

Why wouldn't they just use a database for this? How does the customer have any more certainty about the origin just because the tracking system uses a blockchain?

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