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I just tried logging into Protonmail in my regular browser and with a private mode window and didn't get a captcha in either case. Not saying it may not appear

• pbhjpbhj 5y ago
  Perhaps they do client fingerprinting across browsers so they didn't need to verify you ...
• dathinab 5y ago
  Modern google captcha (v3??) doesn't show a captcha if they already have enough data about you. E.g. through 3rd party cookies, or by fingerprinting anything from your browser to your mouse movement and typing pattern. (Not sure what exactly they currently use, so this are just examples of what they might use).
  • sleavey 5y ago
    Ok now I'm kinda relieved that I still see reCAPTCHA so much... Locked down Firefox user here.
• thayne 5y ago
  Google's recaptcha does have an invisible mode, where it doesn't show you a captcha unless it thinks you are a bot. Which it determines by tracking your online activity...