The difference is presumably the digital contract, that is written in a programming language that only a handful of people on earth can understand, where a programming error can make your money disappear, such that you have no recourse in the court system.
Another difference is the pyramid scheme incentives in the cryptocurrency tech, causing everyone who's bought into it to be incentivised to talk about how great it is.
Another difference is the pyramid scheme incentives in the cryptocurrency tech, causing everyone who's bought into it to be incentivised to talk about how great it is.