“The prolonged use of capital controls in Argentina since 2011 has wreaked havoc for businesses operating in South America’s second-largest economy. Under the leftist government of President Cristina Fernández, no immediate change is expected in Argentina’s complicated economic conditions, which have seen the use of bitcoin more than double over the past year, mainly among small businesses. Recent raids on currency trading houses and new powers for the national spy agency to prevent speculative attacks pushed the peso’s black market value this week to its lowest levels since Argentina defaulted last year on its foreign debt for the second time this century.”
http://www.ft.com/intl/cms/s/0/b2a8cca4-2c11-11e5-8613-e7aedbb7bdb7.html#axzz3h7Y4tmqB