I'm not sure it's 'dangerous,' unless you're seeing through the eyes of a government, credit card company, or financial middle-man. Bitcoin empowers people, and removes companies or governments out of simple value transfers.<p>It's as though someone has created another Napster, except everyone's a 'node' and music isn't transmitted, 'wealth' is. Bitcoin is only as revolutionary or 'dangerous' as you want it to be.<p>HN folks may be interested in some of the discussions going on in Quora: <a href="http://www.quora.com/Bitcoin" rel="nofollow">http://www.quora.com/Bitcoin</a>