Krugman on fiat money By: Center of the Universe December 09, 2013 at 20:00 PM EST Says its backed by taxes and men with guns… ;) PAUL KRUGMAN: Bitcoin’s Value Is Driven By The Fact That It Sounds Impressive Says its backed by taxes and men with guns… ;)PAUL KRUGMAN: Bitcoin’s Value Is Driven By The Fact That It Sounds Impressive