"There is also the important broader philosophical case for cryptocurrency as private money: the transition to a "cashless society" is being taken advantage of by many governments as an opportunity to introduce levels of financial surveillance that would be unimaginable 100 years ago. Cryptocurrency is the only thing currently being developed that can realistically combine the benefits of digitalization with cash-like respect for personal privacy."

governments probably won't let it though lol, but yeah the tech is close to making it possible