Etymology of the Korean currencies
The won is the currency of both North and South Korea. "Won" is a cognate of the Chinese currency unit, the yuan (//), and the Japanese currency unit, the yen (; ¥), meaning "round object". The won is subdivided into 100 jeon ().
Korean currency
At the time of the introduction in 1945 the won was pegged to the Japanese yen at a rate of 1 won = 1 yen. In October of the same year the anchor currency got change to the US dollar at a rate of 15 won = 1 dollar. Toward the end of the Korean War the won was devaluated at 6000 won = 1 dollar. Following that the hwan was introduced as the new currency at a rate of 1 hwan = 100 won.