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Blockchain CBDE Exam - Topic 3 Question 116 Discussion

Externally Owned Accounts:
B) are bound to a private key which is necessary to sign transactions outgoing from that account.
A) can be destroyed using the selfdestruct keyword. This way all remaining ether will be sent to the receiver address, regardless if they have a fallback function or not.
C) are logical opcodes running on the ethereum blockchain very similar to smart contracts.

Blockchain CBDE Exam - Topic 3 Question 116 Discussion

Actual exam question for Blockchain's CBDE exam
Question #: 116
Topic #: 3
[All CBDE Questions]

Externally Owned Accounts:

Show Suggested Answer Hide Answer
Suggested Answer: B

by Tien at Jul 31, 2025, 01:06 AM

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Detra
5 months ago
Totally agree with B, private keys are essential!
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Bobbye
5 months ago
Wait, can you really destroy an account like that? Sounds risky!
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Maurine
5 months ago
C is misleading, they're not opcodes like contracts.
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Silvana
6 months ago
B is definitely true, can't send without the private key!
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Brianne
7 months ago
A is correct! Selfdestruct really sends the ether.
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Ruth
7 months ago
I practiced a similar question about ether transfers and selfdestruct, and I feel like A could be misleading in some cases.
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Dominque
7 months ago
I vaguely recall something about opcodes, but I don't think externally owned accounts are the same as smart contracts like option C suggests.
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Shasta
7 months ago
I remember studying that externally owned accounts are tied to private keys, so option B seems correct to me.
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Glory
7 months ago
I think option A sounds familiar, but I'm not entirely sure if selfdestruct really sends ether regardless of the fallback function.
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Hannah
8 months ago
Wait, I'm a bit confused. Aren't externally owned accounts the ones that can be destroyed using the selfdestruct keyword? I'm not sure if option A or B is correct. I'll have to review the material again before deciding.
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Lettie
8 months ago
Okay, let me break this down. Externally owned accounts are associated with private keys, not smart contract logic. So option B seems to be the right answer here. I'll double-check my understanding, but I think I've got this.
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Aileen
8 months ago
Hmm, this is a tricky one. I'm not sure if I fully understand the difference between externally owned accounts and smart contracts. I'll have to think this through carefully before answering.
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Kenia
8 months ago
I'm pretty confident about this one. The key is understanding that externally owned accounts are controlled by private keys, not smart contracts. So option B is the correct answer.
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Zana
9 months ago
I'm not sure, but I think C is also a possibility. Externally Owned Accounts are logical opcodes running on the ethereum blockchain.
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Beata
9 months ago
I disagree, I believe the answer is A. Externally Owned Accounts can be destroyed using the selfdestruct keyword.
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Delfina
9 months ago
Sending all your ether to a random address? That's a bold move, Cotton. Let's stick with option B, shall we?
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Ilene
6 months ago
Agreed! Can't risk losing everything.
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Titus
6 months ago
Option B is definitely the safest choice.
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Haydee
6 months ago
Yeah, private keys are crucial.
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Soledad
6 months ago
Bold move indeed! Better to play it safe.
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Samira
10 months ago
C is just plain wrong. Externally Owned Accounts are not logical opcodes, they're the basic building blocks of the Ethereum network.
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Merlyn
10 months ago
Haha, selfdestruct? That's like blowing up your own house to get rid of the neighbors. Option B is the way to go.
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Aleisha
10 months ago
I think the answer is B. Externally Owned Accounts are bound to a private key.
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Skye
10 months ago
Option B is the correct answer. Externally Owned Accounts are bound to a private key, which is necessary to sign transactions going out of that account.
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