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Reminds me of https://en.m.wikipedia.org/wiki/Hashcash https://en.m.wikipedia.org/wiki/Hashcash
by jasonhansel 8y ago
Reminds me of https://en.m.wikipedia.org/wiki/Hashcash https://en.m.wikipedia.org/wiki/Hashcash
- rumcajz 8y agoThe difference her is that hashcash is hackable (send spam via a botnet from other people's machines and them bearing the cost). With telephone calls such a scheme is harder to implement, it would be discovered quickly by the phone company, you'd be prosecuted and end up in jail.