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CCN reports that Walmart has received a patent on “a blockchain-based framework” that it sees “as part of its efforts to expand its digital services for retail shoppers … Walmart’s proposed system enables the tracking of retail products brought by a customer.  This is achieved by allowing a customer (storehouses or retail) to ‘register’ a product after purchase, choosing a defined price for resale to individuals, while using Walmart’s framework as a digital marketplace.”
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