There is no single currency. Each state produces their own currency, although in some countries, the US Dollar is also widely used.
Asian dollar. IF an "Asian" currency even exists!
There is no Asian national currency. Asia is not a nation. It is a continent. It has many nations. Each of those nations have their own currencies.
The currency of China is renminbi. The currency of Japan is yen. The currency of South Korea is the won.
Azerbaijan Azerbaijan
Burma (Myanmar)
Yin
You have to specify the specific Asian country.
Rupees are the currency of India.
canadian
I believe their curacy is called "yuan" (yen). "Yuan" is the official currency of Japan, but it's also the third most-traded currency in the foreign exchange market. So you can't really say that Asian money are called yen. This currency is still used only in Japan, but it is the most popular among Asian money.
Indonesia
?uan