reCAPTCHA recaptcha.net


reCAPTCHA, a project of the School of Computer Science at Carnegie Mellon University, is an open source solution offering CAPTCHAs to help websites prevent spam. Over 60 million CAPTCHAs are solved every day by people around the world. reCAPTCHA channels this human effort into helping to digitize books from the Internet Archive. When users solve a reCAPTCHA, users help preserve literature by deciphering a word that was not readable by computers.

reCAPTCHA, a project of the School of Computer Science at Carnegie Mellon University, is an open source solution offering CAPTCHAs to help websites prevent spam. Over 60 million CAPTCHAs are solved every day by people around the world. reCAPTCHA cha...Show all

Company (Acquired)

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Pittsburgh, 15201
Pennsylvania, United States

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Total Funding Date of Last Funding
reCAPTCHA $0M Aug 6, 2009
Solve Media $12M Jul 5, 2013

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