unfortunately, bad actors know this and have created fake captchas that will infect your pc with malware.
'i'm not a robot' is a recaptcha version, which uses a lot of clues to determine whether the user trying to access the website is a real human being or a bot.
the word captcha is an abbreviation for 'completely automated public turing test to tell computers and humans apart' (roughly the automatic test for distinguishing computers and
years ago, to prove that you are not a robot, users only need a simple tick in the box. but today, you have to choose the right image of the car, the sign, the road mark, the
users will not have to do anything.
uncaptcha is the name of a new automation system designed by a group of four computer science experts from the university of maryland, capable of breaking google's recaptcha