> For the complete documentation index, see [llms.txt](https://docs.proofofposition.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.proofofposition.xyz/what-is-popp/cryptographic-linking-of-social-profiles.md).

# Cryptographic Linking of Social Profiles

POPP provides a robust mechanism to cryptographically link an individual's social profiles with their respective positions via signing various messages using a private key.

This functionality enhances trust and authenticity by establishing a verifiable connection between the token holder's online presence and their employment credentials.