# Hard Fork

By [Zopaan](https://paragraph.com/@zopaan) · 2021-12-23

---

    A hard fork is separated from a blockchain by a method called hard fork, and a new system is created by validating the invalid blocks and transactions in the blockchain. The hard fork occurs when the old versions in the blockchain network are accepted by the new versions, and this movement creates permanent changes in the system.

---

*Originally published on [Zopaan](https://paragraph.com/@zopaan/hard-fork)*