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There's also "checkpoint" [1] which works without Javascript. As far as I can tell they cover the same use case with a very similar user experience.

[1]: https://github.com/vaxerski/checkpoint



That's great, but noscript tag is used for a long time to abuse noscript users in various ways, so it makes sense to hide it.


how can it work without javascript. I have skimmed through the readme and it says cryptographic challenge.

How can anyone provide a cryptographic challenge without javascript feels like black magic.

Can you please explain to me how it works without javascript?


It just gives a perl script to run HashCash. https://github.com/vaxerski/checkpoint/blob/main/html/explai...

Javascript might be better to run in scratchpad.




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