> 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-communication-channels.md).

# Cryptographic Linking of Communication Channels

In addition to social profiles, POPP enables the cryptographic linking of various forms of communication channels to specific positions. 

This feature allows token holders to associate their official email addresses, messaging accounts, or other communication channels with their designated roles. 

By doing so, POPP establishes a secure and immutable link between the individual's position and their authorized channels of communication.