On: Walmart filed patent for “Digital Currency via Blockchain”

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Walmart already has something like this in the form of direct-deposit prepaid checking cards with baked-in walmart discounts:

https://www.walmartmoneycard.com/about-our-products

this is taking it one step further, and it seems like using cryptocurrency technology to basically eliminate/compete with visa as a payment network (and therefore recoup txn fees locally and earn them outside of their own stores)