[{"data":1,"prerenderedAt":44},["ShallowReactive",2],{"q-fintech-20-046":3},{"exam":4,"examName":5,"chapterSlug":6,"question":7,"related":21},"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":17,"explanation":19,"difficulty":20},"fintech-20-046","20",46,"雜湊函數的輸入是任意長度字串，而輸出是下列何種字串？",[13,14,15,16],"任意長度字串","固定長度字串","隨機長度字串","不固定長度字串",1,"區塊鏈","雜湊函數（Hash Function）的特性是不論輸入字串多長，輸出都是固定長度的雜湊值，例如 SHA-256 一律輸出 256 位元，此特性使其適合用於區塊鏈的資料完整性驗證與數位簽章，故 (B) 正確。(A)(C)(D) 的任意、隨機、不固定長度都違反雜湊函數輸出長度固定的基本定義。","easy",[22,26,30,34,38,41],{"id":23,"question":24,"qno":25},"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":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":10},"fintech-19-046","有關區塊鏈技術之敘述，下列何者正確？",{"id":42,"question":43,"qno":25},"fintech-20-009","有關比特幣的資料，下列何項是不能公開的？",1783313307934]