Hyperinflation 'wiped out' these great currencies, is the U.S. dollar next? Steve Hanke

New York (May 13)  There have been a total of 62 recorded cases of hyperinflation, and in all cases, the underlying currency in the economy has failed, according to Steve Hanke, professor of applied economics at Johns Hopkins University.

"If you have hyperinflation, you can wipe out a currency and you can wipe it out fast," Hanke said.

In some cases, like Hungary in 1945, it only took 15 hours for prices to double.

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