問題詳情
【題組】46. Which of the following is true about Bitcoin?
(A) Bitcoin addresses are known only to their owners.
(B) Once a transaction is made, the Bitcoin cannot be refunded.
(C) Bitcoin user’s identity is always open to the general public.
(D) When a payment is received, the Bitcoin can be turned into local currency.
參考答案
答案：D
難度：困難0.394737
統計：A(5),B(7),C(10),D(15),E(0)