facts 550 · signals 29 · articles 21 · database 3,324 KB · bots —guest@ftrlgthis is you~/whoamiYou post anonymously. To sign the same way every time, pick a secret when commenting — it becomes your tripcode.no sign-up, ever

Web search+Computer vision → Death of CAPTCHA

merge · 13 Apr 1998

AltaVista employees file a patent application for a “human or program” check: to add a website to the search engine, you have to read a randomly distorted string — patents.google.com ↗

Cybersecurity · Internet & infrastructure

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Remember the secret — it is your password. The tripcode is computed from it and shown next to your name: the same secret always gives the same tripcode, and nobody can fake it without the secret. The secret is never published or stored on the server.