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A comment on Show HN: Active Hashcash – Ruby gem to protect forms against bots.

Re:Show HN: Active Hashcash – Ruby gem to protect forms agai... by itake on Monday August 15, 2022 @02:14PM (#32473274)
This also protects against users that have mobile phones and older systems.

Also, the hashes are valid for 24 hours. Bots only need to pay the cost once per day.

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