What about decentralised exchanges?
Maybe Equifax has some engineers working on this right now for them!
http://www.cnn.com/2014/07/18/politics/irs-scandal-fast-fact...
That would work, I guess, but that is a huge step to make and governments aren't currently talking about how they plan in banning all of Bitcoin.
I can't see that ever happening especially because these protocols would have non currency uses as well.