I like Roubini despite his arrogance but surely everything to do with currency speculation is about greed? That's essentially what bitcoin is, it has little pra

I like Roubini despite his arrogance but surely everything to do with currency speculation is about greed? That's essentially what bitcoin is, it has little practical utility in day to day life. The blockchain world - which as others have pointed out isn't short of cliques and boasters - is more like the early days of the internet IMO. Lots of interesting ideas and ways to leverage new technologies and ideas. Lots of terrible ideas, incompetence, corruption and greed, just like the internet circa 2000...and a few ideas that changed the world