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"The entire business model built on harvesting user data could become obsolete" with Fully Homomorphic Encryption

Ellsworth Toohey
Jul 21, 2025
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Computer cats: Evgenia Terekhova/shutterstock

Picture putting your diary in a sealed box, letting a proofreader edit your spelling without ever opening it, then reading the fixed pages once the box comes back. That's Fully Homomorphic Encryption (FHE), a mathematical process that lets computers work with locked data.

Why does this matter? Today, data is s…

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