A coordinated international push to limit children's exposure to social media accelerated this week, with the European Union unveiling a new age-verification app, several European heads of government aligning on a common approach, and the United Kingdom's prime minister summoning technology executives for a direct warning.

The European Commission on Wednesday announced what it described as a landmark open-source, privacy-preserving age-verification application designed to restrict children's access to social media platforms and sensitive websites without requiring users to hand personal data directly to those platforms. European Commission President Ursula von der Leyen declared the tool "technically ready" and framed it as a decisive answer to one of the technology industry's long-standing objections: that effective age verification is impossible without creating a surveillance infrastructure more damaging than the problem it addresses. "It is our duty to protect our children in the online world just as we do in the offline world," she said. Within 24 hours, however, cybersecurity and privacy experts had identified significant weaknesses. Security consultant Paul Moore posted a video demonstrating an authentication bypass in under two minutes, a clip that attracted millions of views. Telegram founder Pavel Durov went further, calling the system "hackable by design."

Around the same time, French President Emmanuel Macron convened a video summit with the leaders of Spain, Italy, the Netherlands and Ireland, alongside von der Leyen, to press for a harmonised European response. The meeting reflected a broader but still fragmented landscape: while many EU member states are considering restrictions, proposals differ sharply in their design, ranging from outright bans to parental consent models and various age-verification approaches, with different age thresholds across countries.

In the United Kingdom, Prime Minister Keir Starmer met senior representatives of major platforms — including X, TikTok, Meta and Snap — and issued a pointed warning. "Things can't go on like this," Starmer told the group. "They must change because right now social media is putting our children at risk." He hinted at possible legislative measures if the industry does not act, though specific proposals were not announced.

Experts caution that significant practical obstacles remain. Virtual private networks can circumvent age restrictions, and a teenager using a parent's verified login is difficult to detect. Advocacy organisations warn that the risks are also evolving rapidly, with artificial intelligence reshaping the content young users encounter. "AI is definitely amplifying all the risks that are already linked to social media," said Francesca Pisanu, an EU advocacy officer at Eurochild, pointing in particular to the spread of algorithmically generated misinformation among young people who increasingly rely on social platforms as a primary news source. The flurry of activity signals that governments are moving from debate toward action — but the technical and enforcement challenges ahead remain formidable.