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Private Captcha

Company blog · privatecaptcha.com/blogsecurityweb

Private Captcha is the company blog at privatecaptcha.com, writing about security and web. Since 2025, 3 different Hacker News readers have linked it 6 times, most often “ReCAPTCHA migration to Google Cloud by the end of 2025: what do you need to do”. It is still writing: the last post was on 2026-10-20, and you can follow it by feed.

Visit the blog
6mentions?
3HN people?
2025–2026first – last linked?
Links on Hacker News per year · peak 3 in 2025

Most-linked posts?

  1. ReCAPTCHA migration to Google Cloud by the end of 2025: what do you need to do
    2 people · 2 mentions · first linked 2025-10-14
  2. Why memory-hard proof-of-work hashes are not a popular choice for CAPTCHA
    2 people · 2 mentions · first linked 2026-10-20

What Hacker News says?

  1. ribtoks · 2026-10-20

    Submitted Why memory-hard proof-of-work hashes are not a popular choice for CAPTCHA as a story · 6 points

    HN discussion
  2. ribtoks · 2025-08-29

    Submitted Captcha tests your ability to do nothing as a story · 5 points

    HN discussion
  3. ribtoks · 2025-10-14

    Submitted ReCAPTCHA migration to Google Cloud by the end of 2025: what do you need to do as a story · 3 points

    HN discussion
  4. ribtoks · 2026-05-08

    Submitted Google Cloud Fraud Defence is just WEI repackaged as a story · 2 points

    HN discussion
  5. birdculture · 2025-10-14

    Submitted ReCAPTCHA migration to Google Cloud by the end of 2025: what do you need to do as a story · 2 points

    HN discussion
  6. supriyo-biswas · 2026-10-25

    Submitted Memory-hard proof-of-work hashes are not a popular choice for CAPTCHA as a story · 1 points

    HN discussion

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