Reverse Captchas: Making Humans Solve Erdős Problems to Prove They're Real

pbaylies · x · 2026-08-01

As AI agents become increasingly capable, a developer joked about a future where agents implement "reverse captchas." Instead of proving you aren't a robot, you'd have to solve a complex Erdős mathematical problem in 40 seconds just to keep the "wetbrains" (humans) out.

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