Competition between local currencies Vs crypto currencies are in peak now. Crypto currencies have occupied currency market causing local currencies enforce (banks) banning of crypto currencies. We can see number of investors have turned towards to bitcoin and other crypto currencies with large scale. Will there be a chance / time bitcoin and other crypto currencies rule over currency market and local currencies get disappear slowly in a decade or two?
for the possible worst situation of being Crypto currency dominated and become primary use in the world. the number one affected here is Bank, that's the big problem of bank company on how they collaborate and combined the system of BITCOIN. fiat money is easy to accept if totally disappear and replaced of Digital Currency.