Thanks for that information! 
 There are no facts backing up the fact that they have a strong economy but The North Korean won is the national currency , issued by the Central Bank of the Democratic People 's Republic of Korea . 
 Hi! Can you tell me about North Korea? 
 Do they have a strong economy? 
 Can you tell me what their largest source of revenue is?
There are no facts backing up the fact that they have a strong economy but The North Korean won is the national currency , issued by the Central Bank of the Democratic People 's Republic of Korea .