Walmart Seeks to Patent a Way for Using Digital Cryptocurrency
A customer purchases groceries at a Walmart Inc. store in Burbank, California, U.S. (Photographer: Patrick T. Fallon/Bloomberg)

Walmart Seeks to Patent a Way for Using Digital Cryptocurrency

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(Bloomberg) -- Walmart Inc. appears be pondering whether to test waters in the world of cryptocurrencies, following the steps of Facebook Inc.
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