Free Blockchain CBSA Practice Test & Real Exam Questions

Exam Code/Number: CBSA
Exam Name/Title: BTA Certified Blockchain Solution Architect
Certification Provider: Blockchain
Corresponding Certification: Blockchain Solution Architect

Exam Questions: 230
Updated On: Sep 05, 2026

Question #1

In common blockchain design, blockchain addresses or "accounts" are generated by:

A. The most recent block height hash combined with a cryptographic private key

B. A server/node timestamp added to a PRNG output

C. Creating a hash based on a cryptographic public key and various meta data

D. A PRNG output guaranteed to be unique

Discussion 0

Correct Answer: C Vote an answer

Question #2

You are using Geth and you would like to list the accounts controlled by the node.
What is the command?

A. geth account node list

B. geth account node

C. geth account list

D. geth list accounts

Discussion 0

Correct Answer: C Vote an answer

Question #3

___________is advantageous because it presents scalability and low cost transactions, but like DPoS introduces a component of centralization.
What algorithm is being referenced here?

A. Proof of Work

B. DAG

C. Proof of Stake

D. Hashgraph

E. Byzantine Fault Tolerance

Discussion 0

Correct Answer: E Vote an answer

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Question #4

What does the 20 in ERC20 mean or relate to?

A. BIP number

B. Update number

C. Release number

D. Proposal ID number

Discussion 0

Correct Answer: D Vote an answer

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Question #5

Vitalik Buterin referred to this concept of trust beyond just currency as 'smart contracts' or even blockchain-based "decentralized autonomous organizations" (DAOs).
Ethereum is considered Blockchain version?

A. 4.0

B. 1.0

C. 2.0

D. 3.0

Discussion 0

Correct Answer: C Vote an answer

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Question #6

If a hard fork occurs on a public blockchain software and 20 running nodes choose not to update, what can be said about those 20 nodes?

A. They are considered "out of compliance"

B. They are unable to achieve consensus

C. They are effectually now operating on a different blockchain network than the nodes that updated

D. They are flagged for removal from the network and can no longer collect fees

Discussion 0

Correct Answer: C Vote an answer

Question #7

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. Sidechains

D. Multichains

Discussion 0

Correct Answer: C Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #8

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. Any flaw discovered in their code can quickly be updated and redeployed

C. Because they are compiled into bytecode they cannot be used in an unintended manner

D. They are Turing complete and deterministic in nature

Discussion 0

Correct Answer: D Vote an answer

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