currency
ˈkʌr(ə)nsi/Submit
noun

a system of money in general use in a particular country.
"the dollar was a strong currency"
synonyms: money, legal tender, medium of exchange, cash, banknotes, notes, paper money, coins, coinage; More

the fact or quality of being generally accepted or in use.
"the term gained wider currency after the turn of the century"
synonyms: prevalence, circulation, dissemination, publicity, exposure; More

Sounds to me like that crook should read a dictionary...

Currency is a an accepted and standardized medium of exchange.. which bitcoin is. Its self standardized and self regulating and it is accepted as a medium of exchange by many people all over the world.

This guy and the rest of his central banker ilk are just shitting themselves and trying to slow down the crypto roll and buy enough time for them to put a better plan to fight it.