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: Dec 17, 2025

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Question 1

Consider the following scenario. A startup is building a chat app for smart phones where the messages sent between users are anonymous and get destroyed within 24 hours of being sent.

Which architecture would best solve the product need?

A : hereum for token management and chat messages; Mobile apps use JSON-RPC to communicate directly with Smart Contracts

B : ivate blockchain to persist chat messages; Custom built token system with private blockchain smart contract

C : ken management for shareholders in a public blockchain; Mobile apps and data management built on existing multitier systems without use of blockchain

D : brid blockchain for token management with Proof of Stake; private blockchain to persist the chat messages

Answer: C

Question 2

Which of these desired outcomes is best obtained through a Blockchain solution?

A : nding financial transactions need to be stored until completed and then should be deleted

B : website that shows current data from various stock markets

C : mobile app that displays information about today's weather

D : ne of the above

Answer: B

Question 3

Which of the following would create a blockchain transaction?

A : dating a Smart Contract

B : dating an internal State variable

C : changing solution tokens

D : l of the above

Answer: C

Question 4

The fabric framework is implemented on ______programming language.
What programming language?

A : Go

B : thon

C : de.js

D : va

E :

Answer: A

Question 5

In common blockchain design, identity and transaction approval is possible through:

A : encryption

B : blic key cryptography

C : cret key cryptography

D : ne of the above

Answer: D

Page: 1 / 46

Total 230 Questions | Updated On: Dec 17, 2025

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