pEp Foundation pEp Foundation Ucom Standards Track Solutions GmbH This document specifies the IANA Registration Guidelines for Trustwords, describes corresponding registration procedures, and provides a guideline for creating Trustword list specifications. Trustwords are common words in a natural language (e.g., English) to which the hexadecimal strings are mapped to. This makes verification processes (e.g., comparison of fingerprints), more practical and less prone to misunderstandings.