The Euro is the official currency of the European Union. It has been in circulation as electronic currency since 1999 and as physical banknotes and coins since 2002. Its ISO 4217 code is EUR, and it is typically represented by the symbol €. The issuance and management of the Euro are jointly handled by the European Central Bank and the central banks of the individual countries within the Eurozone. Currently, there are banknotes in denominations of 5, 10, 20, 50, 100, 200, and 500 Euros. Additionally, there are coins in values of 1, 2, 5, 10, 20, 50 Euro cents, and 1, 2 Euros. The Euro ranks second globally in terms of trading volume, and all money changers in Hong Kong support the exchange between the Hong Kong Dollar and Euro.

The New Taiwan Dollar (TWD) is the official currency of Taiwan, first issued in 1949. It is identified by the ISO 4217 code TWD and is commonly represented by the symbols $ or NT$. The issuance and management of the New Taiwan Dollar are overseen by the Central Bank of the Republic of China (Taiwan). Commonly used banknotes include denominations of 100, 200, 500, 1000, and 2000 yuan, along with coins in denominations of 1, 5, 10, 20, and 50 yuan. According to statistics from the Taiwan Tourism Bureau, from January to September 2023, over 770,000 Hong Kong residents have visited Taiwan, leading to a strong demand for exchanging New Taiwan Dollars. Currently, all currency exchange shops in Hong Kong facilitate the buying and selling of New Taiwan Dollars.