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Its the use of hashcash as money, instead of making users see ads. https://en.wikipedia.org/wiki/Hashcash https://en.wikipedia.org/wiki/Hashcash
by kang 9y ago
Its the use of hashcash as money, instead of making users see ads.
https://en.wikipedia.org/wiki/Hashcash https://en.wikipedia.org/wiki/Hashcash