# 2021

## Challenges

{% content-ref url="2021/faucet" %}
[faucet](https://0xten.gitbook.io/public/hacktivitycon/2021/faucet)
{% endcontent-ref %}

{% content-ref url="2021/pawned" %}
[pawned](https://0xten.gitbook.io/public/hacktivitycon/2021/pawned)
{% endcontent-ref %}

{% content-ref url="2021/retcheck" %}
[retcheck](https://0xten.gitbook.io/public/hacktivitycon/2021/retcheck)
{% endcontent-ref %}

{% content-ref url="2021/shellcoded" %}
[shellcoded](https://0xten.gitbook.io/public/hacktivitycon/2021/shellcoded)
{% endcontent-ref %}

{% content-ref url="2021/the-library" %}
[the-library](https://0xten.gitbook.io/public/hacktivitycon/2021/the-library)
{% endcontent-ref %}

{% content-ref url="2021/yabo" %}
[yabo](https://0xten.gitbook.io/public/hacktivitycon/2021/yabo)
{% endcontent-ref %}