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Transactions can only be added to a blockchain.
Suggested Answer: A
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11 comments · newest first
SA
Sabine
12 months ago
Sounds too simplistic, are you sure about that?
GE
Germaine
12 months ago
Definitely true, that's how blockchains work.
JA
Janessa
12 months ago
Wait, really? I thought you could delete stuff too!
WI
Willard
1 year ago
I disagree, you can also modify existing data in some blockchains.
KA
Kattie
1 year ago
That's true! Only new transactions can be added.
JE
Jettie
1 year ago
I think I saw a question that said something about blocks containing more than just transactions, so I’m going with FALSE.
IN
Ines
1 year ago
I feel like there might be exceptions, like smart contracts or other data, but I can't recall the specifics.
LE
Leonie
1 year ago
I think transactions are the only things that can be added, but I’m not completely sure if there are other types of data that can be included.
DI
Diane
1 year ago
I remember practicing a question about blockchain data types, and it mentioned that only transactions are added, so I’m leaning towards TRUE.
KR
Kristeen
1 year ago
I'm confident the answer is D. Integrity is about transparency and accountability, so refusing to admit errors would go against those core values.
PE
Peter
1 year ago
Okay, let's see. Direct mode over HTTPS seems like a good option to support secure communication. But I'll need to double-check if that meets the specific requirements.