I think you are right, and I think it's only a matter of time before one of the major central banks runs into a bout of hyperinflation it can't recover from. The U.S. is close. The E.U. is closer.
What we really need, in the meantime, is peer-to-peer exchanges for both crypto-crypto and crypto-fiat that are housed on smartphone apps. Please, Crypto Claus, that's all I want for Cryptomas in 2018!