Filecoin contributed the following description of Proof of Data Possession:

Proof of Data Possession is a provable hot storage protocol facilitating trustless low latency data storage between storage providers and storage clients.

Zellic conducted a security assessment for Filecoin from March 3rd to March 10th, 2025. During this engagement, Zellic reviewed Proof of Data Possession's code for security vulnerabilities, design issues, and general weaknesses in security posture.