This article by Mark Nestmann is mostly about negative interest rates and the government's incentive to penalize cash, but it does mention Bitcoin as something worth investigating, indicating that Financial repression laws are leading people who wouldn't otherwise be interested in Bitcoin to consider it as a means to avoid repressive laws.
Finally… there’s no question that technologies that will render obsolete central banks and indeed banks themselves are rapidly advancing. Bitcoin is a great example that’s worth looking into.
http://www.nestmann.com/will-central-banks-abolish-cash#.VUoEW5PzfYm