Eh. Bitcoin won't solve Argentina's foreign-exchange woes anyway. Their fundamental problem is the nation is poor, but the government wants to declare that they're not poor by fiat (printing money, and pretending that the currency hasn't devalued by making it illegal to trade it at a decent price.)

Bitcoin won't make the country prosperous any more than black-market dollars will.

Bitcoin, assuming I'd does as well as before, can help against the inflation, which hits the poor disproportionately hard.

And it allows to bypass the stupid laws and let's you do the online shopping almost anonymously.

No, no, no. You can't buy non virtual stuff anonymously because "everything" is stopped by customs and you need to pick it up personally with your id.

You can buy virtual stuff like books, software, etc.

Also with bitcoins one day you will pay X and the other X/2 or 2*X.