There really isn’t a global financial system. There is a patchwork of bank relationships, a bunch of message passing networks like SWIFT and a few ways to actually batch settle money. (Ignoring the faxes and wet signatures I’m sure still exist)
I redesigned bitcoin-supply.com and was almost instantly overrun by bots. I now get over 1.44M requests per day, only a tiny sliver of that is real traffic. I morn the open free internet