hCaptcha enables website owners to earn for visitors who solve the captcha
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Unlike Google reCaptcha which makes you train Google's self-driving cars, this captcha directly rewards website owners for every solved captcha on their page. The labeled data is transmitted to AI companies. All this powered by blockchain (Human protocol).

btw, recently it was used by Ethfinex during their Ultra IEO. 
[Image: cik49och1qa31.png]
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