It is the won.
won
Won
South Korea Won
balance of payments
The type of money used by a country is its legal currency.
There was no country called "Vietnam" during the war. There was a country called North Vietnam and another country called South Vietnam, which one are you asking about?
North Korea use North Korean won. South Korea use South Korean won.
The type of money a country uses is called their currency.
Counterfeiting
Philippine
fainham