TechDispatch on secure multi-party computation
The European Data Protection Supervisor has published a TechDispatch examining secure multi-party computation, a cryptographic method that allows organizations to jointly analyze data without exposing it to each other. The report explores potential uses in medicine and finance and clarifies that the technique does not replace obligations under EU data protection law.
Why this matters: Secure multi-party computation is one of those tools that sounds technical but has a practical payoff: organizations can learn things from combined data without actually handing that data over to each other. That matters in healthcare and finance, where sharing raw records creates real exposure. But the EDPS is drawing a clear line. A clever cryptographic method does not get you off the hook under GDPR. Privacy law still applies. The technique reduces risk; it does not erase legal responsibility.
Who should care: Lawyers · Privacy officers · AI governance · General readers · Policy
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