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

# Audits

The NFTfi V2 smart contract system has been double-audited by two industry-leading firms ([Chainsecurity](https://chainsecurity.com/security-audit/nftfi/), [Halborn](https://github.com/HalbornSecurity/PublicReports/blob/master/Solidity%20Smart%20Contract%20Audits/NFTfi_Ethereum_Smart_Contract_Security_Audit_Report_Halborn_Final.pdf)).

Here are all Halborn security audit reports:

* [NFTfi - Collection Offer Smart Contract Security Audit Report](https://github.com/HalbornSecurity/PublicReports/blob/master/Solidity%20Smart%20Contract%20Audits/NFTfi_eth_nftfi_Collection_Offer_Smart_Contract_Security_Audit_Report_Halborn_Final.pdf)
* [NFTfi - Ethereum Smart Contract Security Audit Report](https://github.com/HalbornSecurity/PublicReports/blob/master/Solidity%20Smart%20Contract%20Audits/NFTfi_Ethereum_Smart_Contract_Security_Audit_Report_Halborn_Final.pdf)
* [NFTfi - DirectLoanFixedOffer Redeployment Smart Contract Security Audit Report](https://github.com/HalbornSecurity/PublicReports/blob/master/Solidity%20Smart%20Contract%20Audits/NFTfi_DirectLoanFixedOffer_Redeployment_Smart_Contract_Security_Audit_Report_Halborn_Final.pdf)
* [NFTfi - Bundles Airdrop Smart Contract Security Audit Report](https://github.com/HalbornSecurity/PublicReports/blob/master/Solidity%20Smart%20Contract%20Audits/NFTfi_Bundles_Airdrop_Smart_Contract_Security_Audit_Report_Halborn_Final.pdf)