Outreach
Policy, civil society, and industry outreach.
Expert consultation (Fachgespräch): ‘Digitale Identitäten’
Invited expert for members of the working group for digital affairs of the German Bundestag’s Linksfraktion.
Roundtable: Age verification in the Digital Single Market: What is Technically Possible, Proportionate, and Realistic?
Participant, on invitation of MEP Maria Guzenina, Vice-Chair of the Child Rights Intergroup.
Privacy Analysis of a Case Management Tool for a Children Safety NGO
Privacy analysis of a deployment of the Primero™ tool for the Terre des Hommes NGO, which supports case workers in protecting children from abuse and exploitation.
Saiid El Hajj Chehade, Christian Knabenhans, and Carmela Troncoso
Limitations and Pitfalls of Integrating PETs in Online Age Verification
Position paper presented at the Internet Architecture Board (IAB) and World Wide Web Consortium (W3C) Workshop on Age-Based Restrictions on Content Access.
Sylvain Chatel, Christian Knabenhans, Wouter Lueks, Mathilde Raynal, Carmela Troncoso, and Ádám Vécsi
Private and Decentralized Age Verification Architecture
Position paper presented at the Internet Architecture Board (IAB) and World Wide Web Consortium (W3C) Workshop on Age-Based Restrictions on Content Access.
Sofía Celi, Kyle den Hartog, Hamed Haddadi, Christian Knabenhans, and Elizabeth Margolin
Privacy Vulnerabilities in C2PA Content Provenance Systems: Privacy Analysis and Recommendations for News Media Workflow
Paper accepted and presented at the 2025 Media Technology Summit, a global conference on media technologies, organized by the Society of Motion Picture and Television Engineers (SMPTE).
Mohamed Badr Taddist, Christian Knabenhans, Lucille Verbaere, and Carmela Troncoso
Limitations of C2PA in Privacy-Sensitive Applications
Paper accepted and presented at the 2025 International Broadcasting Convention, a global conference for the media, entertainment, and broadcasting industries.
Mohamed Badr Taddist, Christian Knabenhans, Lucille Verbaere, and Carmela Troncoso