As far as I know, it's not how it works. They essentially swapped USD for BTC.
When the currency is crashing down like that, people try to discard it by bying something else (goods or other currencies). As I get it, exchanges were limited, so those who had better access to foreign currencies used this as an opportunity and provided services to those who weren't.
When the currency is crashing down like that, people try to discard it by bying something else (goods or other currencies). As I get it, exchanges were limited, so those who had better access to foreign currencies used this as an opportunity and provided services to those who weren't.