On: Show HN: wehatecaptchas – we’ll keep the bots out without annoying your users

[spuz]

But surely it's more efficient to mine crypto than the 0 BTC you are mining by generating SHA-256 hashes and then throwing them away. You could do exactly the same computational work, but use it to generate a tiny bit of income.

[petters → spuz]

It's so tiny it will never matter.