There are four kinds of paper money: 1000 won, 5000 won, 10000 won and 50000 won, which can be easily distinguished according to the historical figures and colors printed on the paper money. On June 23, 2009, the Bank of Korea, the Central Bank of Korea, issued a banknote with a face value of 50,000 won, which is the largest banknote issued in Korea.
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In the past, the only way to change won was to change dollars first, and then go to South Korea with dollars to change won. The exchange rate of RMB against the US dollar is relatively stable, because the People's Bank of China linked the RMB to the US dollar, and the exchange rate of RMB against the US dollar remained basically unchanged when the exchange rates of other currencies fluctuated greatly.
After the exchange rate reform, the People's Bank of China announced that the RMB was linked to a basket of currencies such as the US dollar and the euro, but other currencies accounted for a small proportion. Therefore, in South Korea, if RMB is converted into won, in fact, the bank's operation is to convert RMB into US dollars and then into won. Consumers have to pay the difference twice and get relatively little won.
Baidu encyclopedia-won
State administration of foreign exchange-central parity of RMB exchange rate