Despite the pain, I still think Walmart should’ve acquired and rebranded a bank, and offered financial products. Would do wonders for the unbanked, while keeping their transaction fees down.
IIRC, there's a law expressly prohibiting any company from both acting as a bank and a retail business.
edit: Yep, there is. The Bank Holding Company Act prevents companies in commerce from engaging in banking activities.
I just wanted to point out that this was actually significantly more difficult than the parent comment may have realized.
Apparently it's because the BHCA defines banks as entities marketing both checking accounts and commercial loans, and Discover Bank makes no commercial loans and is thus not, under the terms of that law, technically an actual bank.
(Also, apparently the BHCA restricts banks from operating across state lines, too.)
So instead they took a small ownership position <5%, in order to avoid the reporting and regulatory hassles while still getting sweetheart deals.
I wonder whatever happened to that digital pay system pushed by WalMart that was supposed to be on the level of ApplePay? There was a lot of chatter about it around the time of the release of ApplePay, but I haven't seen much about it since. It was some weird transaction process, open the app, present QR code, do something else on app, re-present QR code or something along those lines.
They do, outside the US. They operate Walmart Canada Bank (and issue Walmart Mastercards), although they've recently sold it.