Some of Walmart's biggest competitors are Amazon (who filed a cryptocurrency patent back in May) and Alibaba (who has launched a mining ...
source https://www.google.com/url?rct=j&sa=t&url=https://cryptocoinmastery.com/walmart-plans-to-develop-its-own-cryptocurrency/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGul5aoa4WJwaWbGca0KyZ0wggBOA
