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Certified Blockchain Business Foundations (CBBF) - Blockchain Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
84 Total Questions
1
Question
Which item(s) make up a block header?
Options
A The hash of the Merkle root and the header of the previous block
B The hash of the previous block
C The hash of every transaction in a specific block and the next block
D The time stamp of the block and the genesis block hash
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2
Question
What are the drawbacks of using Blockchain? Select all that apply
Select 4
Options
A High cost of developers
B Its use of new applications
C Changing technology and the lack of a stable standard
D Its use of cryptography
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3
Question
One of Blockchain’s primary uses of cryptography is___________.
Options
A keeping the network configuration a secret
B keeping the I.P. addresses a secret
C providing a public and private encryption key
D allowing users to communicate with each other anonymously
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4
Question
What does a Merkle tree provide?
Options
A All of the above
B Anonymity and transparency
C A Turing complete distributed network
D A way to deploy smart contracts onto the Blockchain
E Efficient block lookups and protection against forgery
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5
Question
What is a node in a Blockchain? Select all that apply.
Select 4
Options
A A computer running on the Blockchain
B A block
C Certificate Authority
D A miner
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