Nauru would likely make the short list if you had to choose the most improbable location on Earth to play a significant role in international cryptocurrency regulation. Compared to most international airports, it is smaller. The entire nation is encircled by water on all sides and fits inside a 21-square-kilometer dot in the western Pacific. However, its parliament covertly passed a law in June of last year that cryptocurrency attorneys in Dubai, Singapore, and London are still criticizing.