Re:How to Run Your Own Mail Server (2017)
by scottmsul on Saturday January 27, 2018 @10:03AM
(#16246429)
I wonder if cryptocurrencies could be used as an anti-spam prevention measure. In order to send you an email, maybe I have to send you 2 cents worth of cryptocurrency.
[ Parent
| on HN ]
Everything old is new again, the bitcoin proof of work mining began life as a way to require people sending email to burn a second or two of cpu time see: http://www.hashcash.org/