Captchas were invented to stop bots. Websites like Google, Amazon, and Ticketmaster use them to ensure a human is logging in. However, hackers and spammers needed to bypass these protections at scale. They created a loop:
Google released reCAPTCHA v3. It no longer asks you to "select all buses." Instead, it tracks your mouse movements and browsing history before you click. If you behave like a human (i.e., you browse YouTube for 10 minutes before logging into Gmail), you never see a captcha. If you behave like a bot, you are blocked. solve captcha earn money india patched