Discuss Blockchain CBDE Exam Topic 5 Question 123

Events:

Aare stored on chain and are a great way to get a return value when a contract calls another contract.

Bare stored in something like a side-chain and cannot be accessed by contracts.

Care used primarily for debugging exceptions in solidity.

Suggested Answer: B

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26 comments · newest first

Erasmo 2 months ago

C seems too limited. Events are more than just for debugging.

Lashawnda 2 months ago

I’m leaning towards B. Side-chains have their own advantages.

Brock 2 months ago

I agree, A makes sense. It’s all about efficiency in contracts.

Ollie 2 months ago

I think A is the best choice. Events are super useful for getting return values.

Ailene 2 months ago

C is too limited. Events have broader uses beyond just debugging.

Antonio 3 months ago

B seems off. Side-chains don’t really fit with contract access.

Denise 3 months ago

I agree, A makes sense. It’s efficient for contract interactions.

Paulina 3 months ago

I think A is the best choice. Events are super useful for getting return values.

Hannah 3 months ago

C is too limited. Events are more than just for debugging.

Wilford 3 months ago

B seems off. Side-chains don’t really help contracts access events.

Marilynn 3 months ago

I agree, A makes sense. It’s all about on-chain data.

Kenny 4 months ago

I think A is the best choice. Events are super useful for getting return values.

Azalee 4 months ago

A) is spot on, love how they help with contract interactions!

Franklyn 4 months ago

Wait, are events really stored on-chain? I thought they were just logs!

Jade 5 months ago

C) is a bit off, events are more than just for debugging.

Nell 6 months ago

I disagree, B) is misleading; events can be accessed in some cases.

Kenneth 6 months ago

A) is definitely true, events are super useful!

Tiera 6 months ago

I thought events were only for logging, not for return values!

Karrie 6 months ago

Wait, are events really stored on-chain? That seems odd.

Gilberto 6 months ago

C) is a bit off, events are more than just for debugging.

Armanda 7 months ago

I disagree, B) is misleading, events can be accessed in some cases.

Margot 7 months ago

A) is definitely true, events are super useful!

Melodie 7 months ago

I feel like option A makes the most sense, but I’m a bit confused about the side-chain concept mentioned in option B.

Jimmie 7 months ago

I practiced a question similar to this, and I think events are primarily for tracking state changes rather than just debugging exceptions.

Ezekiel 7 months ago

I remember something about events being useful for logging, but I can't recall if they can be accessed by contracts or not.

Nida 7 months ago

I think events are definitely stored on-chain, but I'm not entirely sure how they relate to return values when calling other contracts.

Blockchain CBDE Exam - Topic 5 Question 123 Discussion