• unexposedhazard@discuss.tchncs.de
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    13 hours ago

    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
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      13 hours ago

      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