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Free Blockchain CBBF Practice Exam with Questions & Answers | Set: 2

Questions 11

Blockchain is faster and more efficient than a standard database.

Options:
A.

True

B.

False

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Questions 12

Cryptocurrencies are a security regulated by the Securities and Exchange Commission.

Options:
A.

True

B.

False

Questions 13

One of the big issues that new financial transaction Blockchain solutions face is____________.

Options:
A.

increasing the number of transactions per second (TPS)

B.

the inability to find use cases

C.

solving user identity

D.

getting banks to cooperate

Questions 14

Which Blockchain protocol uses Proof of Work Consensus? Select all that apply

Options:
A.

Hyperledger

B.

Corda

C.

Bitcoin

D.

Ethereum

E.

All of the above

Questions 15

What is a private Blockchain used instead of a public one?

Options:
A.

It is less expensive to develop

B.

It requires less mining power that a public Blockchain

C.

To limit user access and permissions

D.

It requires fewer administrators to manage it

Questions 16

Blockchains are being implemented in the food supply chain because_____________.

Options:
A.

consumers demand to know where their food comes from

B.

it allows farm to table accountability for safety

C.

they have the potential to provide fast, specific supplier data

D.

it prevents food waste if a food contamination problem occurs

E.

All of the above

Questions 17

Blockchains are being implemented in the food supply chain because ____________.

Options:
A.

Consumers demand to know where their food comes from

B.

It allows farm to table accountability for safety

C.

They have the potential to provide fast, specific supplier data

D.

It prevents food waste if a food contamination problem occurs.

E.

All of the above

Questions 18

The transaction has contained in a block is the ___________.

Options:
A.

Metadata used for ID

B.

Same as the user private key

C.

Digital fingerprint of the block

D.

Unique number to show it’s a Bitcoin block

Questions 19

A Blockchain is a/an _____________ shared ledger distributed system.

Options:
A.

Anonymous

B.

Newer version of a

C.

Append-only

D.

Confidential

Questions 20

Blockchain allows for which of the following?

Options:
A.

Anonymous Cryptography

B.

Trust in central authorities

C.

A fast and efficient ledger

D.

A peer to peer ledger without the need of a third party

Exam Code: CBBF
Certification Provider: Blockchain
Exam Name: Certified Blockchain Business Foundations
Last Update: Jul 10, 2025
Questions: 84

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