It's not about having a currency for criminal activities but to have a currency at all that is widely accepted in outside countries. Only in tourist areas of Brazil, Chile, Uruguay and other bordering countries you can change your pesos into something else but definitely not at the official exchange rate.
Also with an annual inflation rate of 25% - 35% you don't want to have your savings in pesos. That's why many people buy dollars on the street if they can't get it in legal ways. Also BitCoin is usable as it can change in any kind of currency without to much red tape.
Also with an annual inflation rate of 25% - 35% you don't want to have your savings in pesos. That's why many people buy dollars on the street if they can't get it in legal ways. Also BitCoin is usable as it can change in any kind of currency without to much red tape.