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Dear Reader,

 

The C4DT weekly newsletter will be entering its bi-weekly Summer scheduling.

Starting – June 23rd – you will be receiving this newsletter every 2 weeks and we will return to the usual weekly schedule from August 18th.

 

Enjoy reading!

C4DT Team

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Weekly Picks
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US supreme court rules geofence warrants require constitutional privacy protections

The Guardian — 29/06/2026

Katherine's take

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Privacy advocates will be pleased by this US Supreme Court ruling, which marks a significant bellwether for how privacy rights translate into the digital age. What I find more broadly concerning, however, is that geofence warrants are a second-order consequence of a model in which data collection is effectively the default, and where data collected for one purpose is routinely swept up and repurposed by third parties, including the state. This model puts the onus on the individual to understand that their location and other data are being collected and shared, and to find out with whom.

Humains uniquement, zéro bot, et européen” : W, le réseau social open source, ouvre ses portes

Les Numériques — 18/06/2026

Stéphanie's take

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Cet article est intéressant car il met en lumière le revers de la médaille… W exige une vérification d'identité obligatoire pour garantir un réseau sans bots, tout en promettant que les données biométriques restent sur l'appareil. Mais en pratique, des données sensibles comme la photo du passeport peuvent être transmises à un prestataire tiers. Un hashcode lié au passeport est conservé, permettant à un gouvernement d'identifier n'importe quel compte. L'anonymat offert protège donc contre le harcèlement ordinaire, mais pas contre les dérives probables de régimes autoritaires… ou quand souveraineté ne rime pas avec sécurité.

The 11 standout startups from YC’s Demo Day, according to VCs

TechCrunch — 18/06/2026

Olivier's take

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VC bets are valuable early indicators. This YC batch confirms that geopolitics (e.g., drones and satellites) and AI (e.g., agents, digital twins, and no-code) now dominate the innovation agenda. The shift from AI experimentation to agentic infrastructure is happening. AI agents are rapidly evolving from a mere concept to a fundamental part of enterprise infrastructure. This signals that digitalization strategies, including governance and accountability mechanisms, must be rebuilt around agentic AI.

10-Millionen-Initiative: Das sagen die KI-Übersichten von Google und Bing dazu

AlgorithmWatch /CH — 18/06/2026

Carine's take

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AI summaries are now an almost expected feature of search engines. This article explains why this is problematic, using the example of the recent polarising vote on the '10-Millionen-Initiative' in Switzerland. I would only add that systems repeatedly shown to be susceptible to prompt injection are destined to become targets for the AI era's version of SEO spam, putting these AI summaries at risk of devolving into meaningless slop over time.

The Anthropic ‘Fable’ saga proves: we have opened the AI Pandora’s box. What now?

The Guardian — 16/06/2026

David's take

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This article is interesting because Schneier, writing primarily about AI safety and the futility of model bans, incidentally reframes the entire AI sovereignty debate. Everyone is fighting over frontier models: the expensive, inaccessible layer. But the harness, the code that orchestrates and directs AI models, is where power actually lives. It is buildable today, and almost nobody is talking about it.

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Upcoming Events
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SAVE THE DATE!

 

10 November 2026: C4DT Conference on AI Sovereignty: Charting Switzerland’s Path Amid US and Chinese AI Dominance

 

Where? Starling Hotel, 1025 Saint-Sulpice

 

Time? 9:30 – 18:30

 

Why participate?

 

As the global AI landscape consolidates around US and Chinese dominance, every nation outside this duopoly faces an urgent question: how can countries retain meaningful control over a technology increasingly expected to shape their economic competitiveness, national security, and societal resilience? From the viability of sovereign cloud architectures and open-weight foundation models to the governance mechanisms needed to ensure AI systems reflect Swiss values and legal frameworks, this conference brings together industry leaders, researchers, legal experts, policymakers, and civil society actors to assess the concrete levers of AI sovereignty and work toward actionable recommendations for a Swiss sovereign AI strategy.

This event is organized by the Center for Digital Trust (C4DT), EPFL.

 

For more information, please click here.

 

For registration, please click here. Registration is free but mandatory.

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