Answer Posted / Mukesh Chandra Pandey

A chain fork, or simply a fork, occurs when there's a divergence in the blockchain due to a disagreement within the network. This can happen when miners, developers, or users have differing views about how the blockchain should be updated or operated. There are two types of forks:n1. Soft Fork: A soft fork is a change that makes old blocks invalid in future versions of the software but still allows nodes to upgrade gradually.n2. Hard Fork: A hard fork creates a permanent divergence in the blockchain, as it requires all users and miners to upgrade their software. Once a hard fork occurs, there will be two separate blockchains with different histories.

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