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A comment on mCaptcha – Proof of work based, privacy respecting CAPTCHA system.

Re:mCaptcha – Proof of work based, privacy respecting CAPTCH... by figmaheart255 on Thursday August 04, 2022 @08:27AM (#32341931)
is this built on top of HashCash[1]?

[1]: https://en.wikipedia.org/wiki/Hashcash

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