I'm not a BTC detective but I read over a year ago about how the government loves it because while you think you are anonymous there is an indelible forensic trail to examine and try to catch you. Not at all like with cash. Tis ok, bitcoin was never going to make a splash beyond the black market as an anonymous currency anyway. Regulation will remove that and then the only proble will be that there's no reason for the average consumer to use it over their current products, IMO.