Proof of work spam filter when? | Hacker News

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		dvh on April 28, 2023 \| parent \| context \| favorite \| on: Is Gmail killing independent email? Proof of work spam filter when?

teddyh on April 28, 2023 | [–]

https://craphound.com/spamsolutions.txt

piperswe on April 28, 2023 | | [–]

One of the first proof of work systems was Hashcash, an email spam filter. It didn't really catch on for email.

eimrine on April 28, 2023 | [–]

After somebody will write the appropriate RFC and code, no surprises.

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