
Blockchain Structure and Concepts Quiz
Authored by Dr Daniel Madan Raja S
Computers
University
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What component of a blockchain block ensures the chronological order of blocks?
Merkle root
Timestamp
Nonce
Previous hash
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a typical block structure, what contains the summary of all transactions?
Block height
Hash pointer
Merkle root
Nonce
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The structure of a block in a blockchain primarily includes:
Only the data section
Only the header
Header and list of transactions
Only the hash of the previous block
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What helps achieve consensus on the next valid block?
Hash of the genesis block
Nonce and proof-of-work
Block height
Timestamp
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The hash of the previous block is stored in:
The transaction data
The Merkle root
The block header
The block footer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the block structure?
Distribute tokens
Organize transactions
Identify nodes
Create wallets
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What element in the block header ensures immutability by linking to the previous block?
Nonce
Timestamp
Previous block hash
Transaction count
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