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1. Which of the following statements about the Merkle tree is incorrect: A. Merkle tree can be considered as a binary tree of hash pointers. B. A node in a Merkle tree can have more than two children. C. In the Merkle tree, it takes O(log n) for the proof of membership, where n is the number of nodes in the tree.  D.  We can use hash pointers in any pointer‐based data structure as long as the data structure doesn’t have cycles.

1. Which of the following statements about the Merkle tree is incorrect: A. Merkle tree can be considered as a binary tree of hash pointers. B. A node in a Merkle tree can have more than two children. C. In the Merkle tree, it takes O(log n) for the proof of membership, where n is the number of nodes in the tree.  D.  We can use hash pointers in any pointer‐based data structure as long as the data structure doesn’t have cycles.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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1. Which of the following statements about the Merkle tree is incorrect:

A. Merkle tree can be considered as a binary tree of hash pointers.

B. A node in a Merkle tree can have more than two children.

C. In the Merkle tree, it takes O(log n) for the proof of membership, where n is the number of nodes in the tree. 

D.  We can use hash pointers in any pointer‐based data structure as long as the data structure doesn’t have cycles.

2. Birthday paradox: Given N people, calculate the probability that at least two people have their birthday in the same month. 

1) when N = 4;

2) when N = 14. 

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