I’m increasingly convinced that all walls are, at their core, enemies of efficiency. The current financial world is cut into countless isolated islands: on one side is a fortress of fiat currency, and on the other is a wasteland of digital currencies. Thick currency-exchange walls and wire-transfer walls stand between them, along with those cold, unfeeling review windows. Most people are busy lining up behind the walls, while truly clear-eyed players are already using tools to directly break through. I have been deeply testing the