Alternatives to Google's reCAPTCHA service exist that are more privacy-friendly and accessible, such as honeypots, Google's XCAPTCHA, and non-Google captchas.
hCaptcha is a popular alternative that shows users images from datasets belonging to other companies for machine learning applications, instead of Google's images.
Google's reCAPTCHA service is a useful tool for verifying that visitors are real people, but it also violates people's privacy and causes accessibility problems for those with poor eyesight or hearing. Alternatives to reCAPTCHA include honeypots, non-Google captchas, and other captchas that are more privacy-friendly. There are also captchas available that are more privacy-friendly, such as Google's XCAPTCHA and non-Google captchas.
Google reCAPTCHA | Captcha Services
But instead of showing Google’s images–images the company uses to train its machine learning algorithms–hCaptcha shows users images from datasets, which belong to other companies that also need images labeled for machine learning applications.
hCaptcha is a popular alternative to Google's reCaptcha
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