> 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="https://530092188-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FODbp2MBRGy4clADmHLmw%2Fuploads%2Fl4iLKh2L1c6WYJgqsAgH%2FCleanShot%202023-03-20%20at%2000.30.00.png?alt=media&amp;token=33d7d1af-7112-43c8-93b3-04d281a78639" 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.