Retail giant Walmart has applied for a cryptocurrency patent that bears some similarities to the Libra token proposed by Facebook in mid-June. In its application with the U.S. Patent and Trademark Office, Walmart touts the concept of a digital currency “tied to a regular currency” – that is, what’s commonly known as a stablecoin. Libra will be a token pegged to a basket of fiat currencies and government bonds, according to Facebook. Over and above that, the filing suggests that the proposed coin could help provide finance for those with limited access to banking services – one of the major claims Facebook has made ... (full story)