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Blockchain CBSA Exam - Topic 7 Question 46 Discussion

Records on a public blockchain are deleted by?
A) They cannot be deleted
B) Filing a request with the Ethereum Foundation
C) Recalling the transaction of Etherscan.io
D) Deleting the transaction from the app that sent it

Blockchain CBSA Exam - Topic 7 Question 46 Discussion

Actual exam question for Blockchain's CBSA exam
Question #: 46
Topic #: 7
[All CBSA Questions]

Records on a public blockchain are deleted by?

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Suggested Answer: A

by Stephane at Apr 22, 2023, 11:07 PM

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Sharika
7 months ago
Yup, once it's on the chain, it's there forever!
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Maynard
7 months ago
Just a reminder, deleting from an app doesn't affect the blockchain.
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Amber
7 months ago
Wait, are you sure? I thought there were ways to erase stuff.
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Blondell
8 months ago
Totally agree, it's immutable!
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Lawrence
8 months ago
They cannot be deleted, that's the whole point of blockchain!
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Gilberto
8 months ago
I remember something about Etherscan, but I don't think you can delete transactions from there either. It’s all about transparency, right?
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Glennis
8 months ago
I thought you could delete transactions by contacting the Ethereum Foundation, but that seems too easy for a public blockchain.
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Edna
8 months ago
I'm not entirely sure, but I feel like I saw a question about this in practice that mentioned something about the immutability of blockchain.
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Lazaro
8 months ago
I think I remember that records on a public blockchain are permanent, so they can't really be deleted.
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Arlene
8 months ago
Okay, let me see here. The key factor is usually obtaining the lowest possible price, right? I think the answer is D, source selection.
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Tula
8 months ago
Hmm, I'm a bit confused by the return_val data format. I'll need to carefully examine the structure to figure out how to pull out the SSID and format it correctly for the function call.
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Freeman
8 months ago
Option D stands out to me too. Accepting some ambiguity is part of the negotiation process; I remember practicing scenarios where that was crucial.
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Chi
8 months ago
I feel like job significance could tie into how much responsibility CD wants, but I'm not sure if it directly supports development.
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