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Video-Based CAPTCHAs: Hard on Bots, Easy on Humans

N ame: NuCaptcha Quick Pitch: NuCaptcha is a first-of-its-kind CAPTCHA technology that uses video to determine if users are human, not bots. Genius Idea: CAPTCHA is an acronym for “Completely Automated Public Turing test to tell Computers and Humans Apart”. These tests, of which 100 billion were used last year alone, generally comprise warped letters and numbers displayed in a widely varying range of readability levels. The idea is that they’re supposed to be nonstandard enough to be indecipherable by machines yet simple enough for humans to understand and reproduce, preventing spambot or other machine use of computer systems while granting access to humans. In recent years, some of the CAPTCHAs humans has been asked to solve, however, have been ridiculously illegible. Most of us have at least once had to pause at the end of a web form to squint at a CAPTCHA that looked more like a yarn squiggle than an actual string of characters. That’s where NuCaptcha aims to make a difference. N...