> For the complete documentation index, see [llms.txt](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/basics/2./undefined-2.md).

# 컨트랙트 구조와 보안

- [컨트랙트 상속 (is, override, virtual)](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/basics/2./undefined-2/is-override-virtual.md)
- [접근 제어 (onlyOwner, modifier)](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/basics/2./undefined-2/onlyowner-modifier.md)
- [fallback / receive 함수](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/basics/2./undefined-2/fallback-receive.md)
- [call vs delegatecall](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/basics/2./undefined-2/call-vs-delegatecall.md)
- [컨트랙트 간 상호작용](https://whs3-doge5k.gitbook.io/smartcontract-security-docs/basics/2./undefined-2/undefined.md)