perhaps. you could get rid of most of things in our society without much impact, since we basically need food, water and shelter. but lots of things are nice to have, so that's kinda irrelevant
I think cryptocurrencies have very few practical applications at the moment. So getting rid of them would have much less effect than getting rid of gold for example.
yes, that's because they are 10 years old as opposed to 10,000, but I am not sure where you are going with this. At the very minimum, getting rid of them would cause investor losses of hundreds of billions.
