
Session 3 recap
Authored by Ken Choi
Computers
6th - 8th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
工作量證明(Proof of Work)中, 什麼是51%攻擊?
礦工只得到51%的回報。
51%礦工停止工作, 導致區塊鏈停運。
單一組織能夠控制大多數雜湊率,使攻擊者將有足夠的挖礦能力來有意排除或修改交易的順序。
交易者多於51%, 令區塊鏈交易失效。
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
星巴克於 2019 年與微軟區塊鏈技術結合,讓消費者得以 (選擇兩個正確答案)
追蹤全球咖啡豆生產線
幫助消費者了解食物來源
提升銷售
擴建分店
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪個國家正加強中學生對比特幣的相關知識, 以增加比特幣採用率?
薩爾瓦多
比利時
中國
南斯拉夫
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
第一款把智能合約(Smart Contract)應用在區塊鏈上的例子是...
Bitcoin
比特幣
Dogecoin
狗狗幣
姜濤幣
Ethereum
以太坊
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
比特幣礦工傾向把礦場搬到什麼地方?
電力資源豐富
而且價格低廉
高溫乾燥的城市
海拔高而且無人的
偏遠山區
金屬資源豐富的礦場
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