http://qezqo7c2mvdk2ml2ys626hlh7ezva75wwwoawcuc7xncp37kedumv2ad.onion/index.php/CAPTCHA
Such skills include, but are not limited to processing of sensory information such as identification of objects and letters within a noisy graphical environment"; and a 1998 patent by Lillibridge, Abadi, Bharat, and Broder. [14] Both patents predate other publications by several years, though they do not use the term CAPTCHA, they describe the ideas in detail and precisely depict the graphical CAPTCHAs used in the Web today.