Quote:Google unveiled a new version of the company's reCAPTCHA service yesterday that aims to make the service more user friendly and provide webmasters with better options when it comes to dealing with unwanted traffic.

Chance is, that any Internet user encountered a number of captcha verification prompts in the past. These are designed to verify that the visitor is indeed human and not a bot. A sign-up page is a prime example for captcha use; websites don't want bots to register accounts automatically and to prevent that from happening, may add captchas to the page to throw bots off while keeping human visitors on the site.

Captcha solutions have a number of problems associated with them: the percentage of false positives is high and it is sometimes difficult or even impossible to decipher the text that you are asked to enter; this leads to user frustration.

Full reading: https://www.ghacks.net/2018/10/30/google-recaptcha-v3-without-user-interaction-launches/