本篇論文主要是在尋找比特幣相對於其主要國家的匯率關係,因為比特幣在很多國家有合法性的問題,也是一種越來越熱門的虛擬貨幣,資料的期間為2010年8月至2015年1月,解釋變為美金兌比特幣的匯率,而被解釋變數為新台幣兌美金的匯率、新台幣兌歐元的匯率、新台幣兌日幣的匯率、新台幣兌加拿大幣的匯率以及新台幣兌英鎊的匯率。 研究的方法則是使用上述國家所使用的貨幣與比特幣的匯率之變動量來做簡單迴歸,來分析、尋找比特幣與上述貨幣之相關性。 最後研究發現只有英鎊、加拿大幣與歐元在10%信賴區間有呈現顯著,其他皆不顯著。 This paper is mainly to find the relationship between Bitcoin and its mainly use of the country’s exchange rate, because Bitcoin in many countries have the legitimacy problems, also is a kind virtual currency which become more popular than before, data start from August 2010 to January 2015, explain variables are included in NT dollars, EURO, Japanese yen, GBP and Canadian dollar, the explanatory variable is NT dollar exchanged into US dollars. The method of research is to use the changes in the exchange rate of the currency and the Bitcoin currency used by the above countries to analyze the relationship between the currency and the currency. In the end of this paper, we find there only Canadian dollar, GBP and EURO have direct effect in 10% confidence interval.