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

6 pointsposted 10 hours ago
by ribtoks

3 Comments

7sedam7

8 hours ago

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

ribtoks

7 hours ago

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