NIST announces the public comment release of Draft NIST Interagency Report (IR) 8055, Derived Personal Identity Verification (PIV) Credentials (DPC) Proof of Concept Research. This report documents proof of concept research performed by NIST to determine how DPCs could be used to PIV-enable mobile devices and provide multi-factor authentication for an organization's mobile device users. This report captures DPC requirements, proposes an architecture that supports these requirements, and describe how this architecture could be implemented and operated. The comment period closed August 24, 2015.