> For the complete documentation index, see [llms.txt](https://docs.illiquid.market/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.illiquid.market/smart-contracts.md).

# Smart contracts

- [Project Wyvern](https://docs.illiquid.market/smart-contracts/project-wyvern.md): Illiquid Market is built on Project Wyvern, an open source codebase that has powered successful projects such as OpenSea.
- [vestingToken](https://docs.illiquid.market/smart-contracts/vestingtoken.md): Illiquid is integrated with Unvest Protocol and the vestingToken smart contracts.