[{"data":1,"prerenderedAt":45},["ShallowReactive",2],{"q-fintech-21-009":3},{"exam":4,"examName":5,"chapterSlug":6,"question":7,"related":22},"fintech","金融科技力知識檢定","c5",{"id":8,"exam":4,"session":9,"qno":10,"question":11,"options":12,"answer":17,"chapter":18,"freq":19,"explanation":20,"difficulty":21},"fintech-21-009","21",9,"比特幣區塊鏈的公鑰密碼術所選取的「單向函數」，是由下列何者產生？",[13,14,15,16],"RSA 演算法","凱薩演算法","橢圓曲線密碼術","雜湊演算法",2,"區塊鏈",1,"比特幣的公私鑰體系採橢圓曲線密碼術(ECC):由私鑰推出公鑰很容易,但要從公鑰反推私鑰在計算上不可行,這正是其「單向函數」的來源,故 (C) 正確。(A) RSA 雖也是公鑰密碼,但比特幣並未採用;(B) 凱薩演算法是古典替換加密,安全性極低;(D) 雜湊演算法用於產生區塊指紋與挖礦,不是公鑰體系的單向函數。","hard",[23,26,30,34,38,42],{"id":24,"question":25,"qno":10},"fintech-19-009","2009 年 1 月 3 日中本聰建立了第一個比特幣區塊，俗稱創世區塊。而這個創世區塊的序號是下列何者？",{"id":27,"question":28,"qno":29},"fintech-19-010","目前 ICO 最著名的成功案例為下列何者？",10,{"id":31,"question":32,"qno":33},"fintech-19-014","依據 CoinMarketCap 網站資料，目前市值前兩大的加密貨幣為下列何者？",14,{"id":35,"question":36,"qno":37},"fintech-19-045","比特幣區塊鏈所使用的的「單向函數」是使用下列何種技術？",45,{"id":39,"question":40,"qno":41},"fintech-19-046","有關區塊鏈技術之敘述，下列何者正確？",46,{"id":43,"question":44,"qno":10},"fintech-20-009","有關比特幣的資料，下列何項是不能公開的？",1783326486929]