Merkle Tree Quiz

Test your understanding of Merkle trees and their use in blockchain

FREE QUIZ

7 Questions

~14 Minutes

Beginner

Question 1

What is a Merkle tree?

A type of database A binary tree of cryptographic hashes A sorting algorithm A data compression technique

Question 2

What is the root of a Merkle tree called?

Genesis hash Master hash Merkle root Top hash

Question 3

What happens when you change data in one leaf of a Merkle tree?

Only that leaf's hash changes The hashes change all the way up to the root The entire tree is rebuilt Nothing changes

Question 4

What is the main advantage of using Merkle trees in blockchain?

Faster transaction processing Efficient verification of data integrity Smaller block sizes Better encryption

Question 5

How many hashes do you need to verify a transaction in a Merkle tree with 8 transactions?

1 hash 3 hashes (log₂ 8) 7 hashes 8 hashes

Question 6

In Bitcoin, what does the Merkle root in a block header represent?

The hash of the previous block A summary hash of all transactions in the block The miner's address The block's difficulty

Question 7

What is a Merkle proof?

Proof that a block was mined correctly A set of hashes proving a transaction is in a Merkle tree Proof of ownership of cryptocurrency A digital signature

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