Earlier quoted context omitted.
https://en.wikipedia.org/wiki/Hyperinflation#Notable_hyperin... It's a big world out there, most of which has no easy way of integrating with modern systems of credit, lending and other financial instruments. I see blockchain technology as a promising way for distributed groups to organize, create operating agreements, and execute contracts for market rate on a global setting.
http://pricedingold.com/charts/BTC-2013.png Erm... BTC is less stable than USD by every conceivable measure. http://www.orchardplatform.com/wp-content/uploads/2015/05/bt... Tell me: would you be surprised if BTC changed in price by 50% by the end of this month? I wouldn't be, I simply don't trust BTC to retain its value in any way. BTC goes up or down, and that's bad for "currencies"
Bitcoin being a globally distributed ledger has the ability to represent shares of commodities and equities. It's why Delaware is considering incorporating blockchain tech.
You could imagine merchants pricing in shares of Apple - and customers paying in shares of oil and Google - to be settled at PoS. Check out shapeshift.io to see how fluid crypto-to-crypto trades can be.
http://www.wsj.com/articles/delaware-considers-using-blockch...