> For the complete documentation index, see [llms.txt](https://docs.kerberus.com/kerberus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kerberus.com/kerberus/frequently-asked-questions/software-faq/are-there-any-signatures-that-sentinel3-doesnt-scan.md).

# Are there any signatures that Sentinel3 doesn't scan?

Yes.

## **PersonalSign** (`personal_sign`)

<figure><img src="/files/gPQJANh4xG4zqDxdG2aB" alt=""><figcaption><p>OpenSea's signature to authenticate a wallet</p></figcaption></figure>

This signature is limited to signing messages that can't be used to send transactions on-chain and therefore is always safe to sign. Sentinel3 never scans it.