> For the complete documentation index, see [llms.txt](https://xtop-pet.gitbook.io/xtoppet-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xtop-pet.gitbook.io/xtoppet-whitepaper/legal-and-compliance/smart-contract-security.md).

# Smart Contract Security

All blockchain interactions are handled by smart contracts to ensure the transparency and immutability of in-game transactions. Each smart contract undergoes rigorous security audits and testing before deployment, including reviews by third-party professional smart contract auditing firms, to ensure no vulnerabilities.