> For the complete documentation index, see [llms.txt](https://0xten.gitbook.io/public/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://0xten.gitbook.io/public/n1ctf/2021.md).

# 2021

## Challenges

{% content-ref url="/pages/TrYQQCim3EzIrTIkZISN" %}
[babyguess](/public/n1ctf/2021/babyguess.md)
{% endcontent-ref %}