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 ().
Mining in North Korea
North Korea is thought to have tremendous potential metal resources (and particularly rare-earth metals), which have been valued in excess of US$6 trillion by the South Korean national mining company. There is much investment from Chinese mining companies, with an estimated $500 million investment in the last 11 years. 41% of all Chinese companies trading in North Korea are involved in mining.