Blockchain Exam CBDE Topic 1 Question 83 Discussion

Actual exam question for Blockchain's CBDE exam

Question #: 83
Topic #: 1

[All CBDE Questions]

Consensus is reached:

Aby the miner nodes which make sure that a transaction is valid.

Bby every single node in the blockchain network executing the same transaction.

Cby a cryptographic secure signature algorithm called ECDSA which makes sure that cheating is impossible.

Show Suggested Answer

Suggested Answer: A

by Cristy at Mar 06, 2024, 09:06 PM

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Aide

2 months ago

Haha, the options are like a choose-your-own-adventure for blockchain nerds. I'm gonna go with the one that sounds the most 'cryptographically secure'!

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Basilia

5 days ago

User 3: Definitely, can't go wrong with a secure algorithm.

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Jacob

7 days ago

User 2: Yeah, I agree. It's all about that security.

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Daren

9 days ago

User 1: I think it's option C, the cryptographic secure signature algorithm sounds legit.

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Chery

14 days ago

User 4: Option C it is then, let's go with the cryptographic secure signature algorithm.

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Wilburn

15 days ago

User 3: I agree, it's important to have a system that makes cheating impossible.

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Aleta

1 months ago

User 2: Yeah, that one sounds like the most secure way to reach consensus.

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Ma

1 months ago

User 1: I think it's option C, the cryptographic secure signature algorithm.

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Lenny

2 months ago

The ECDSA algorithm in option C does sound like it could help with security, but I'm not sure if that alone ensures consensus.

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Nieves

2 months ago

Option B seems like a logical choice, as the whole network needs to agree on the transaction for it to be valid.

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Marshall

1 months ago

B) by every single node in the blockchain network executing the same transaction.

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Gearldine

2 months ago

A) by the miner nodes which make sure that a transaction is valid.

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Serina

2 months ago

I agree with the option C, the ECDSA algorithm ensures cheating is impossible.

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Charlene

2 months ago

I believe every single node in the blockchain network executes the same transaction.

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Eliz

2 months ago

I think option A is correct. The miner nodes are responsible for validating the transactions and ensuring consensus in the network.

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Mirta

1 months ago

Exactly, without the miner nodes, there would be no consensus in the blockchain network.

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Winifred

1 months ago

So, consensus is reached by the miner nodes confirming the transactions.

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Georgeanna

1 months ago

Yes, they are the ones who make sure that the transactions are valid and secure.

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Jolene

2 months ago

I agree, the miner nodes play a crucial role in validating transactions.

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Tiffiny

2 months ago

I think consensus is reached by the miner nodes.

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