Why memory-hard proof-of-work hashes are not a popular choice for CAPTCHA
By ribtoks · 2026-10-20 · 6 points · 2 comments
https://privatecaptcha.com/blog/memory-hard-pow-hash-tradeoffs/
By ribtoks · 6 points · 2 comments · on Hacker News, read on BetterNews.
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