The visual mash-ups of corner stores and beauty supply houses, currency exchanges, are where I actually, inadvertently learned the foundational principles of something I would later come to know is called color theory.
There's always a currency-exchange booth at the airport, but generally, it's best to wait until you're outside, because those airport booths charge between 10% and 26% higher exchange rates, and that's not including service fees.
First, it ought to create new special drawing rights (SDRs), a currency of sorts which is convertible into dollars but whose quantity the fund controls.