VIP Exclusive
C4 Certified Bitcoin Professional (CBP) VIP Practice Exam
C4 — The Cryptocurrency Certification Consortium (C4) administers the Certified Bitcoin Professional (CBP) exam — a 75-question, 20-minute multiple-choice certification covering Bitcoin history, cryptography, wallets, transactions, mining, security, and commerce, with a 70% passing threshold.
51
Questions
20m
Time Limit
70.00%
To Pass
Question 1 of 51👑 VIP
A merchant receives a payment notification from their Bitcoin wallet software 30 seconds after a customer broadcasts a transaction, but the transaction has zero confirmations. The merchant sells a high-value item and hands it over immediately. Which risk has the merchant most directly accepted?
Questions 2–51 and full explanations are VIP-exclusive.