> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfwriteup/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/ctfwriteup/web2-ctf/picoctf-2021.md).

# picoCTF 2021

We ranked **154 out of 6215** in picoCTF 2021:

![Scoreboard](/files/-MX3_aox1IrVwtTAwx9e)

Things to work on:

* [ ] **WebAssembly**
* [ ] **Tcache**
* [ ] **UAF**
* [ ] **V8 Exploitation**