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Blockchain Exam CBSA Topic 5 Question 39 Discussion

Actual exam question for Blockchain's CBSA exam
Question #: 39
Topic #: 5
[All CBSA Questions]

You have flown to NYC to have a discussion with a technical executive of a too big to fail bank. You are having a discussion about blockchain algos and the customer is asking what are some disadvantages of using a POW algo?

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Suggested Answer: A

by Rhea at Dec 06, 2022, 07:00 AM

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Gary
16 days ago
The 51% attack mitigation is an advantage, not a disadvantage! But I agree that the huge energy costs of POW are a major downside. Gotta love those high electricity bills.
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Carla
12 hours ago
A) Centralization of blockchain control
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Kimberlie
19 days ago
I'm going to go with C. Spending a ton of money on computational power doesn't sound like a very efficient or sustainable model for a blockchain network. Maybe they should look into Proof-of-Stake instead?
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Clare
3 days ago
A) Centralization of blockchain control
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Kate
26 days ago
Haha, can you imagine how much it must cost to run a POW blockchain? The electric bill alone would be enough to bankrupt a small country!
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Leonor
1 days ago
C) Large expenditures for computational power
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Carmelina
4 days ago
A) Centralization of blockchain control
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Essie
1 months ago
Hmm, I think B and C are both good options. The fact that the only use case for the computational power is the blockchain itself is a major disadvantage of the POW algorithm.
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Chauncey
7 days ago
I agree, C is definitely a major disadvantage. The amount of computational power required can be a barrier for many miners.
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Melita
14 days ago
C) Large expenditures for computational power
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Jospeh
22 days ago
E) 51% attack mitigation
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Jacki
1 months ago
A) Centralization of blockchain control
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Paris
2 months ago
The correct answer is C. Large expenditures for computational power. Proof-of-Work (POW) algorithms require a significant amount of computational power, which can be quite costly for miners and the overall network.
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Cora
10 days ago
C) Large expenditures for computational power
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Luther
18 days ago
B) Only use case for computational power is blockchain
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France
24 days ago
A) Centralization of blockchain control
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Casandra
2 months ago
E) 51% attack mitigation is an important factor to consider when discussing disadvantages of using a POW algo.
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Zona
2 months ago
C) Large expenditures for computational power can be a drawback for using a POW algo.
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Ming
2 months ago
A) Centralization of blockchain control is a major disadvantage of using a POW algo.
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