Taiwan, New Dollar. The Taiwan New Dollar is the currency of Taiwan. Our currency rankings show that the most popular Taiwan New Dollar exchange rate is the USD to TWD rate. The currency code for New Dollars is TWD, and the currency symbol is NT$.Below, you'll find Taiwan New Dollar rates and a currency converter.nder Japanese rule, the Taiwanese Yen was introduced as the currency of Taiwan in 1895. It was circulated alongside the Japanese Yen with the two currencies valued at par with one another until the Japanese Empire fell, in 1945.