How Wal-Mart is using blockchain to make food safer
With the blockchain, Wal-Mart will be able to get crucial data from a single receipt, including suppliers, details on how and where food was grown and who inspected it
Portland — If you shop at Wal-Mart, you might be buying packaged produce unlike any ever sold in a US store. The sliced apples or cut broccoli — the merchant will not say what’s involved exactly — are being used to test blockchain, a new database technology. If successful, the trial could change how Wal-Mart Stores, which serves some 260-million customers a week, monitors food and takes action when something goes wrong. That could spur big leaps in food safety, cut costs and save lives. Like most merchants, the world’s largest retailer struggles to identify and remove food that has been recalled. When a customer becomes ill, it can take days to identify the product, shipment and vendor. With the blockchain, Wal-Mart will be able to obtain crucial data from a single receipt, including suppliers, details on how and where food was grown and who inspected it. The database extends information from the pallet to the individual package. "It gives them an ability to have an accounting from ...
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