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Blockchain CBSP Exam - Topic 5 Question 120 Discussion

Actual exam question for Blockchain's CBSP exam
Question #: 120
Topic #: 5
[All CBSP Questions]

Which of the following types of attacks are disincentivized in the long-term on blockchains like Bitcoin?

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Suggested Answer: D

by Ruby at Nov 22, 2025, 02:37 PM

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Chauncey
12 days ago
Double-Spend attacks are definitely disincentivized.
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Lizbeth
17 days ago
B) Double-Spend, for sure. Can't fool the blockchain, that's for sure.
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Cherry
22 days ago
Haha, I bet the answer is C) Selfish Mining. Miners gotta mine, am I right?
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Melodie
27 days ago
A) Timewarp? Really? That's so 2010. Blockchains have evolved, my dude.
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Michael
1 month ago
D) SPV Mining is the way to go. Gotta love those simplified payment verifications!
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Clare
1 month ago
I think B) Double-Spend is the right answer. Blockchains are designed to prevent this kind of attack.
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Norah
1 month ago
The correct answer is C) Selfish Mining. Blockchains like Bitcoin disincentivize this type of attack in the long run.
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Paola
2 months ago
Timewarp sounds familiar, but I can't remember its specifics. I feel like it might be less relevant in the long run compared to the others.
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Willard
2 months ago
I practiced a question about selfish mining before, and I recall it being a significant threat, but Bitcoin's design helps mitigate it over time.
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Leota
2 months ago
Timewarp attacks - that's a good one to consider. I think the blockchain's consensus mechanism makes those less viable over time.
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Arlette
2 months ago
I'm a bit unsure about SPV mining. I'll have to review how that works in the context of blockchain incentives.
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Monroe
2 months ago
I'm pretty confident that selfish mining is disincentivized in the long run. The network penalizes that kind of behavior.
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Barrett
3 months ago
I'm not entirely sure about SPV mining, but I remember it being less of a concern compared to selfish mining and double-spending.
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Fairy
3 months ago
I think double-spending is definitely disincentivized because of how transactions are confirmed on the blockchain.
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Rikki
3 months ago
A) Timewarp seems tricky, but it’s not as common.
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Annelle
3 months ago
Okay, let me see. I know double-spend attacks are disincentivized, but what about the other options?
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Daniel
4 months ago
Hmm, this is a tricky one. I'll need to think through the long-term incentives on the blockchain network.
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Merilyn
2 months ago
Yeah, but it's heavily disincentivized.
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Dyan
3 months ago
I think double-spend is a big issue.
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