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Blockchain CBDE Exam With Confidence Using Practice Dumps

Exam Code:
CBDE
Exam Name:
BTA Certified Blockchain Developer - Ethereum
Vendor:
Questions:
102
Last Updated:
Apr 26, 2025
Exam Status:
Stable
Blockchain CBDE

CBDE: Blockchain Developer - Ethereum Exam 2025 Study Guide Pdf and Test Engine

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BTA Certified Blockchain Developer - Ethereum Questions and Answers

Question 1

When you are programming a game like poker of battleships where you need to hide opponents values is:

Options:

A.

with private state variables. This way nobody else other than the smart contract itself can see the information

B.

with external contracts holding those values. This way we can make sure that the information flow is following a clear logic and nobody else can access this information.

C.

You can't hide anything on the blockchain, because the information is public, just the call is private which means only other smart contracts would be limited in accessing that information.

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Question 2

PoS:

Options:

A.

would be better, because it can reduce the amount of energy needed for mining.

B.

would be worse, because it would increase the amount of energy needed for mining.

Question 3

Assert is used:

Options:

A.

to check internal states that should never happen.

B.

to check input arguments from users.