> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfnote/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfnote/web3-security-research/secureum.md).

# Secureum

{% embed url="<https://secureum.substack.com/>" %}
Secureum
{% endembed %}