Free Blockchain CBSA Exam Questions

Become Blockchain Certified with updated CBSA exam questions and correct answers

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Total 230 Questions | Updated On: Jul 28, 2025

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

B : need to solve Byzantine Fault Tolerance

C : l fees related to transactions would be removed

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

Answer: A

Question 2

Secure Hash Algorithm (SHA-256) output is always 256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes). Select best answer.

A : is spying on us so what's it matters.

B : pends on input

C : lse

D : ue

Answer: D

Question 3

Which one of the following is true regarding Smart Contracts on the Ethereum blockchain?

A : They provide added security over off-chain transaction code on other blockchain networks

B : Because they are compiled into bytecode they cannot be used in an unintended manner

C : y flaw discovered in their code can quickly be updated and redeployed

D : ey are Turing complete and deterministic in nature

Answer: D

Question 4

What is the language that Solidity is using to build on the Ethereum Virtual Machines(EVM)?

A : .Net

B : vascript

C : +

D : de.js

E : P

Answer: B

Question 5

How are 'assets' in Hyperledger Fabric represented? (Select two.)

A : ON

B : de

C : ML

D : nary

E : Deployment Manager

Answer: A,D

Page: 1 / 46

Total 230 Questions | Updated On: Jul 28, 2025

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