Don't think strict currency activity was affected by this, but one of the main reasons this is important is that it's really really difficult to convert large a

Don't think strict currency activity was affected by this, but one of the main reasons this is important is that it's really really difficult to convert large amounts of RMB into any other currency. BTC provides an alternative to going through the banking system which I suspect drives some of its popularity in China. A lot of light is made about the problems BTC poses for the dollar - it's much more of a threat to anywhere that currency is controlled, because it's a straight bypass. The volatility is obviously a stumbling block but when you have no other alternative, it's pretty attractive.