# Quiz 20

What is the recommended practice for using hash function implementations?

**Type all answers and select the correct one**

* [x] Use rigorously tested and widely accepted implementations
* [ ] Use any implementation available
* [ ] Use untested implementations for learning purposes
* [ ] Avoid using hash functions altogether<br>

**Note to Learners**

"As a general rule, you should only ever use a rigorously tested and widely accepted implementation of any hash function."

&#x20;

To learn more about it, you can follow the course [Walkthrough Implementation of SHA-256 in Golang](https://bsvblockchain.360learning.com/course/play/68bac07ee4056be2a5dd1108)


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