Also, the old prohibition combined with an artificially high rate announce to the world a policy to print monopoly money and pretend it was worth something, and thereby steal from anybody forced to use the official system. The present move to allowing trading, in contrast, suggests the government will be forced to exercise some restraint in its printing operations - since otherwise the free market price will just drop like a stone again.
Now that it is legal to trade the currency, think they might take the next step and make it legal to produce anything domestically? Or will robbers still be given all the productive assets of the country, which of course robbers have no intention of actually working to operate?