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

# Audits

## Marketplace and NFT Contracts

On August 6th, 2021, Illust worked with Zokyo to conduct a security audit on its marketplace and NFT contracts. The following is a link to the Audit.

[Visit Audit](https://drive.google.com/file/d/16Nzm4EUedEkhZdWH4FohQPbAUuRPgWRL/view?usp=sharing)

## GeoSpatial Registry

On October 11th, 2022, Illust worked with Polygon's smart contract auditing partner [Hacken](https://hacken.io) to audit the contracts used in GeoSpatialRegistry (GSR) geofencing placements. The following is a link to the Audit.

[Visit Audit](https://drive.google.com/file/d/1RdSRwybWmZAiBrGJHoG7GoKG4TJ-tOPB/view?usp=sharing)