Is this /s/C/F/ake? Content Provenance Tech to Fight Online Disinformation

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Presented at ShmooCon 2025 by

Christian Paquin

In this era of disinformation, exacerbated by rapidly advancing AI tools, the creation of seemingly authentic fake content poses significant dangers, ranging from reputational damage to widespread societal impacts. Our lives have become an online, content-driven version of ‘Is this Cake?’ Fortunately, cryptographic provenance technologies are emerging as essential tools for establishing the origin and authenticity of online content. I’ll present the work of the C2PA, a leading specification adopted by a growing ecosystem of content producers (e.g., gen AI, news media, cameras, photo editors) and validators (e.g., content platforms and social media). Additionally, I’ll demonstrate the open-source tools we’ve developed to validate content credentials. Finally, I’ll describe novel zero-knowledge cryptographic research, offering new ways to achieve stronger security and privacy in C2PA.