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Records on a public blockchain are deleted by?
Suggested Answer: A
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13 comments · newest first
SH
Sharika
12 months ago
Yup, once it's on the chain, it's there forever!
MA
Maynard
12 months ago
Just a reminder, deleting from an app doesn't affect the blockchain.
AM
Amber
12 months ago
Wait, are you sure? I thought there were ways to erase stuff.
BL
Blondell
1 year ago
Totally agree, it's immutable!
LA
Lawrence
1 year ago
They cannot be deleted, that's the whole point of blockchain!
GI
Gilberto
1 year ago
I remember something about Etherscan, but I don't think you can delete transactions from there either. It’s all about transparency, right?
GL
Glennis
1 year ago
I thought you could delete transactions by contacting the Ethereum Foundation, but that seems too easy for a public blockchain.
ED
Edna
1 year 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.
LA
Lazaro
1 year ago
I think I remember that records on a public blockchain are permanent, so they can't really be deleted.
AR
Arlene
1 year 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.
TU
Tula
1 year 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.
FR
Freeman
1 year 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.
CH
Chi
1 year ago
I feel like job significance could tie into how much responsibility CD wants, but I'm not sure if it directly supports development.