Comment Comment by functional_dev true, but reading this made me learn something new.Turns out HashCash (system Bitcoin borrowed), was originally built to fight email spam in 1977 - https://vectree.io/c/hashcash-the-proof-of-work-system-cited... parent functional_dev 6 months ago
Turns out HashCash (system Bitcoin borrowed), was originally built to fight email spam in 1977 - https://vectree.io/c/hashcash-the-proof-of-work-system-cited...