DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
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Expert Solution & Answer
Chapter 26, Problem 1PE
Explanation of Solution
Blockchain fork:
- It generally occurs when a block is being added to the block other than the most recent one in the chain is called as blockchain fork.
- The blockchain is forked in order to change the aspect of protocol or its data structure.
- Forking will occur when a malicious activity occurs.
Explanation of Solution
Two types of block chain fork:
There are two types of block chain fork and they are:
- Soft fork
- Hard fork
Difference between them:
Soft fork occurs at the rare case and will cause major controversy but does not invalidate prior block but whereas the hard fork will do it that is in a hard fork an older version of the block chain software will remain in use and it will lead to separate block chains that holds different contents in them.
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