Why memory-hard proof-of-work hashes are not a popular choice for CAPTCHA(privatecaptcha.com)
6 pointsby ribtoks7 hours ago2 comments
  • 7sedam76 hours ago
    i don't know, seems pretty reasonable choice, especially with harder problem for requests that look like bots
    • ribtoks4 hours ago
      Sure, the limitation is mostly on the verification side (of CAPTCHA solution). For client-side it does make sense.
  • Vearol4486 hours ago
    [flagged]