Hard Fork
Hard Fork is a significant and permanent divergence in the blockchain network, resulting in two separate chains with different protocols. It occurs when a blockchain's existing rules are modified, making previous blocks or transactions invalid according to the new rules. This can lead to the creation of a new cryptocurrency or an alternative version of the existing one. Hard forks require consensus among network participants to adopt the new rules.
![Hard Fork](https://d11o3uem5z904q.cloudfront.net/glossaries/codeZeros5ot728161707389229103.jpg?imwidth=1920&q=75)
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