Re:The “mail is hard” myth
by brianpgordon on Sunday September 01, 2019 @11:09AM
(#20852677)
I guess the idea was too obvious to be original. I'm surprised that it inspired Bitcoin instead of the other way around though.
> Hashcash was proposed in 1997 by Adam Back[1] and described more formally in Back's paper "Hashcash - A Denial of Service Counter-Measure".[2]