Free Blockchain CBSA Practice Exam Questions and Answers 2026

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Total 230 Questions | Updated On: Apr 03, 2026

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Question 1

If a Proof of Work blockchain such a s Bitcoin or Ethereum changed to a Proof of Stake consensus paradigm, which key component of the Proof of Work process would be eliminated?

A : There would be no need for the miners or nodes to perform a guessing game

B : The need to solve Byzantine Fault Tolerance

C : All fees related to transactions would be removed

D : The blockchain network would no longer have to display public transactions

Answer: A

Question 2

You are currently considering blockchain solutions for your organization. You read an article about 'blockless' blockchains.What are the two benefits that could be gained over a traditional blockchain solution? (Select two.)

A : Faster Block writes

B : Greater Transaction Security

C : Faster Performance

D : Greater transaction Capacity

Answer: A,B

Question 3

Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?

A : Net

B : Viper

C : LLL

D : Solidity

Answer: A

Question 4

What is another name for blockchains that run adjacent to the blockchains and also offer more scope for processing contracts?

A : Adchains

B : Funnelchains

C : Multichains

D : Sidechains

Answer: D

Question 5

Which of the following would create a blockchain transaction?

A : Updating a Smart Contract

B : Updating an internal State variable

C : Exchanging solution tokens

D : All of the above

Answer: C

Page: 1 / 46

Total 230 Questions | Updated On: Apr 03, 2026

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