> For the complete documentation index, see [llms.txt](https://whitepaper.vnst.io/hakifi-documents/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.vnst.io/hakifi-documents/buy-cover.md).

# Buy Cover

- [How to Open a Contract?](https://whitepaper.vnst.io/hakifi-documents/buy-cover/how-to-open-a-contract.md)
- [How to Manage a Contract](https://whitepaper.vnst.io/hakifi-documents/buy-cover/how-to-manage-a-contract.md)