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Comment by semiinfinitely | Hacker News Reader
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semiinfinitely
·
proof of work could make a comeback
View on HN
westurner
·
Hashcash:
https://en.wikipedia.org/wiki/Hashcash
CAPTCHA:
https://en.wikipedia.org/wiki/CAPTCHA
userbinator
·
Proof of intelligence might be better.
PunchyHamster
·
As if we need wasting even more power
Reply on news.ycombinator.com