> For the complete documentation index, see [llms.txt](https://battlezips.gitbook.io/battlezips/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://battlezips.gitbook.io/battlezips/ecosystem/recorded-content.md).

# Recorded Content

### Circom v2 Debut by Iden3

This is the most important video of any listed video to watch

{% embed url="<https://www.youtube.com/watch?t=1543s&v=6XxVeBFmIFs>" %}

### Hello World for Circom - ZKU.ONE&#x20;

{% embed url="<https://www.youtube.com/watch?v=9s1VLrjk5L4>" %}

### Cryptography in Circom - Devconnect Amsterdam

{% embed url="<https://www.youtube.com/watch?t=715s&v=xX9I5CMa5uE>" %}

### BattleZips

{% embed url="<https://www.youtube.com/watch?list=PLWACGbvIsEgn44LlTiPgVkOC4nG8tnJX-&v=CgtNEALhJ3s>" %}

### Circom v1 Rollups Talk

{% embed url="<https://www.youtube.com/watch?v=cF6sG47pcws>" %}

### Circom v1 Demo

Out of date but worth watching if you are doing a deep dive

{% embed url="<https://www.youtube.com/watch?v=-9TJa1hVsKA>" %}