The BoJ in some cases accumulated that many securities that some of Japanese government bonds fell out of the World Gov. Bond index because of a lack of liquidity.

Japan in this case (similar to its demographics) points at the path the Eurozone is marching on. Loss of confidence in state credibility, instability of bond markets - yield curve control is soon to be introduced by the ECB, too.

Bitcoin soon could be the shining save haven for those who lose confidence in the monetary system.