For years I've been meaning to do a deep dive on digital payments (what people call "FinTech"). I intended to achieve 2 main things;

1) Map out the fundamentals structure of payments stacks

2) Look at different payment services (eg OpenCollective, Stripe, Visa) and locate them in the right layer(s) of the stack

@trysdyn has done a fantastic job of the first part here, and in doing so, some of the second part;

https://voidfox.com/blog/payment_processor_fun_2025_making_your_own_msp/

#OnlinePayments

@alcinnz @echo_pbreyer @Coffee