A number of wealthy cryptocurrency enthusiasts have dreamt up schemes to spend the rest of their days chilling on a Bitcoin beach or a crypto cruise ship, away from the institutions, currencies and taxes that govern the lives of everyone else. But only a few are determined enough to try to make it happen. On this week's Tech 24, Peter O'Brien takes us through some of the real-life attempts to create a utopian, libertarian, offshore paradise… and explains why they've all been doomed to fail so far.