[{"data":1,"prerenderedAt":45},["ShallowReactive",2],{"q-fintech-22-045":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-22-045","22",45,"下列敘述何者錯誤？",[13,14,15,16],"為了將解密鑰匙安全發送，可利用雙向函數產生出一對密鑰","公鑰可以公開，私鑰須保密","加密和解密用的不是同一把鑰匙","公鑰密碼術可選取的單向函數不只一種",0,"區塊鏈",1,"公鑰密碼術的安全性建立在「單向函數」(精確地說是帶有陷門的單向函數)上:正向運算容易、反向推算在計算上不可行,據此產生一對公鑰與私鑰,而不是「雙向函數」;若函數可輕易雙向推算,就能從公鑰反推私鑰,加密便失去意義,故 (A) 敘述錯誤,為正解。(B) 公鑰可公開給任何人用來加密或驗章,私鑰須由本人保密;(C) 加密與解密使用不同金鑰,故又稱非對稱加密;(D) 可用的單向函數不只一種,如大數因數分解(RSA)與橢圓曲線,三者皆正確。","medium",[23,27,31,35,38,42],{"id":24,"question":25,"qno":26},"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？",9,{"id":28,"question":29,"qno":30},"fintech-19-010","目前 ICO 最著名的成功案例為下列何者？",10,{"id":32,"question":33,"qno":34},"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":36,"question":37,"qno":10},"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？",{"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":26},"fintech-20-009","有關比特幣的資料，下列何項是不能公開的？",1793070566358]