# Assessment 6

#### Which statement best explains the relationship between hashing and blockchain?

* [ ] Hashing deletes outdated blockchain records to save storage space.
* [x] Hashing and blockchain together ensure data integrity by producing unique identifiers and preventing any changes to stored data.
* [ ] Blockchain replaces the need for hashing in verifying data authenticity.
* [ ] Hashing allows blockchain data to be stored only on one central server.


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