Why memory-hard proof-of-work hashes are not a popular choice for CAPTCHA

(privatecaptcha.com)

6 points | by ribtoks 5 hours ago ago

3 comments

  • 7sedam7 3 hours ago ago

    i don't know, seems pretty reasonable choice, especially with harder problem for requests that look like bots

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    • ribtoks 2 hours ago ago

      Sure, the limitation is mostly on the verification side (of CAPTCHA solution). For client-side it does make sense.

  • Vearol448 4 hours ago ago

    [flagged]