Other payment processors, mostly. So other credit card companies (e.g. JCB [1]), government run payment services like Pix in Brazil [2], theoretically crypto, e

Other payment processors, mostly. So other credit card companies (e.g. JCB [1]), government run payment services like Pix in Brazil [2], theoretically crypto, etc. [1] as a random example: https://archive.kyivpost.com/technology/japanese-payment-system-jcb-wants-to-enter-ukraine-challenge-visa-mastercard.html https://archive.kyivpost.com/technology/japanese-payment-sys... [2] https://en.m.wikipedia.org/wiki/Pix_(payment_system) https://en.m.wikipedia.org/wiki/Pix_(payment_system)