After having repeatedly failed in adopting foreign currencies, including usd, Zimbabwe is now trying to solve problems by issuing bond notes. Why the hell don't they adopt btc??
Bitcoin is an internet currency, to adopt a new currency it should be accessible to the masses is impossible since just 21% of the people there have access to internet
http://www.internetlivestats.com/internet-users-by-country/So no way that's going to work for the people.