# Quiz 11

What are some features of Base58Check encoding? (Choose all that apply)

**Add answers and select the correct ones**

* [x] It includes a checksum to detect typographical errors.
* [x] It uses a set of 58 easily distinguishable alphanumeric symbols.
* [ ] It uses non-alphanumeric characters for added security.
* [ ] It does not preserve leading zeros in the data.<br>

**Note to learners**

"Base58Check has the following features: \[...] A set of 58 alphanumeric symbols that are easily distinguishable \[...] Four bytes (32 bits) of a SHA256-based error checking to auto-detect and possibly correct typographical errors \[...] An extra step to preserve leading zeros in the data."

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To learn more about it, you can follow the course [Base58 and Base58Check](https://bsvblockchain.360learning.com/course/play/68bac02d9bfd6e17c151858d)


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