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Duolingo’s Luis von Ahn Wants to Delete the Blockchain

Keyword: Online-learning

Publisher: Wired

Published: Mar 31, 2026

Luis von Ahn could have retired to a beach somewhere years ago. Best known as the CEO of the learning app Duolingo, von Ahn in the early 2000s invented the captcha, those infuriating online tests tha… [+3255 chars]

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