Which of the following types of modifications to a block chain data structure can be detected by someone who holds a hash pointer to the latest block (select all that apply) ?   A. Insertion of a block. B. Deletion of a block. C. Re-Ordering of a blocks. D. Tampering of data in a block.

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
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Which of the following types of modifications to a block chain data structure can be detected by someone who holds a hash pointer to the latest block (select all that apply) ?
 
A. Insertion of a block.
B. Deletion of a block.
C. Re-Ordering of a blocks.
D. Tampering of data in a block.
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