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

# Core

- [Core](https://docs.essencefinance.io/development/smart-contracts/core/core.md)
- [ICore](https://docs.essencefinance.io/development/smart-contracts/core/icore.md)
- [IPermissions](https://docs.essencefinance.io/development/smart-contracts/core/ipermissions.md)
- [IPermissionsRead](https://docs.essencefinance.io/development/smart-contracts/core/ipermissionsread.md)
- [Permissions](https://docs.essencefinance.io/development/smart-contracts/core/permissions.md)
- [ZenRoles](https://docs.essencefinance.io/development/smart-contracts/core/zenroles.md)