# Audits

## V3 audits

Latest Yelay's version, Yelay V3, has been audited by the leading smart contract security research firms Chainsecurity and Hexens.

Please see both audit reports here: <https://github.com/YieldLayer/yelay-lite/tree/main/audits>

## V2 audits

Earlier version of the protocol, V2, has been audited by the top crypto security firms Trail of Bits and ChainSecurity. See audit reports below:

{% embed url="<https://github.com/trailofbits/publications/blob/master/reviews/2023-03-spool-platformv2-securityreview.pdf>" %}

{% embed url="<https://www.chainsecurity.com/security-audit/spool-v2-smart-contracts>" %}

## $YLAY token

Yelay's token and staking contracts have been thoroughly audited by industry-leading security firm [Hexens](https://hexens.io/). The full audit report is available below:

{% file src="<https://2182024280-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnZejXGeA67gWdZSLRbwe%2Fuploads%2FeJny2vKrCDCf1jnqzSrN%2Fyelay-token-audit-sept-2024(Public).pdf?alt=media&token=0a3bf0b3-0d18-4034-b894-22c45e96314c>" %}