USDT，又稱泰達幣，由Tether於2014年創建。在價格波動劇烈的加密貨幣世界，USDT是比較特殊的存在，因為它是世界上第一個穩定幣。穩定幣的概念就是，它的價格不像其他加密貨幣那樣劇烈波動，而是盡量保持穩定。根據Tether的說法，USDT的每一個單位都以美元作為儲備金。也就是說，USDT是與美元掛鉤的，一個USDT的價值永遠是一美元。這種穩定的特性使得USDT在市場上深受歡迎。目前，USDT被廣泛用於加密貨幣交易，許多加密貨幣交易所都接受USDT作為存款和提款的方式。

The Japanese Yen is the circulating currency of Japan, with issuance dating back to 1871. Its ISO 4217 code is JPY, and it is commonly represented by the symbols ¥ or 円. The Bank of Japan is responsible for the issuance and management of the Japanese Yen. Currently, there are banknotes in denominations of 1000, 5000, and 10,000 Yen, along with coins in values of 1, 5, 10, 50, 100, and 500 Yen. Japan has consistently been a popular travel destination for Hong Kong residents, with the number of Hong Konger traveling to Japan reaching 2.11 million in 2023. The demand for Japanese Yen exchange has remained high. Currently, all money changers in Hong Kong facilitate the exchange of Japanese Yen.