this post was submitted on 07 Jul 2025
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[–] unexposedhazard@discuss.tchncs.de 124 points 2 days ago* (last edited 2 days ago) (10 children)

Non paywalled link https://archive.is/VcoE1

It basically boils down to making the browser do some cpu heavy calculations before allowing access. This is no problem for a single user, but for a bot farm this would increase the amount of compute power they need 100x or more.

[–] Mubelotix@jlai.lu 76 points 2 days ago (7 children)

Exactly. It's called proof-of-work and was originally invented to reduce spam emails but was later used by Bitcoin to control its growth speed

[–] RandomTester@lemmybefree.net 4 points 2 days ago (1 children)

it wasn't made for bitcoin originally? didn't know that!

[–] 0xebfe@lemmy.today 11 points 2 days ago (2 children)
[–] RandomTester@lemmybefree.net 12 points 2 days ago

you know it's old when it doesn't have ssl

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