Blockchain CBSP Exam - Topic 3 Question 124 Discussion

Actual exam question for Blockchain's CBSP exam

Question #: 124
Topic #: 3

[All CBSP Questions]

This sample code is vulnerable to which of the following attacks?

ABad Randomness

BReentrancy

CArithmetic

DUnchecked Return Values

Show Suggested Answer

Suggested Answer: A

by Carmen at Apr 04, 2026, 04:19 AM

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Raylene

2 months ago

I'm leaning towards C) Race Conditions. The timing issues could be exploited.

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Dorethea

2 months ago

I feel it's E) All of the above. Each attack vector seems plausible here.

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Peggy

2 months ago

I think it's A) Denial of Service. The code looks like it could be overwhelmed easily.

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Kristofer

2 months ago

Race Conditions are definitely a concern in this code.

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Ettie

2 months ago

All of the above seems too broad, but could be right.

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Margarita

2 months ago

Surprised that Arithmetic is even an option!

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Theron

4 months ago

I think it's more about Access Control.

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Kenneth

4 months ago

Definitely a Denial of Service issue here.

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Ellen

5 months ago

I feel like it could be all of the above, but that seems too broad. I need to think more about the specific vulnerabilities.

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Annamae

5 months ago

I'm leaning towards option B, access control, since it seems like a common vulnerability in similar examples we've studied.

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Lavina

5 months ago

I remember a practice question that mentioned denial of service attacks, but I can't recall if it applies here.

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Eden

5 months ago

I think this code might be vulnerable to race conditions, but I'm not entirely sure how to identify them in this context.

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