In 1983,13 Years before the National Security Agency, in 1996 published a paper entitled How to Make a Mint: The Cryptography of Anonymous Electronic Cash, American cryptographer David Chaum conceived of a type of cryptographic electronic money called ecash
In 1983,13 Years before the National Security Agency, in 1996 published a paper entitled How to Make a Mint: The Cryptography of Anonymous Electronic Cash, American cryptographer David Chaum conceived of a type of cryptographic electronic money called ecash
https://en.m.wikipedia.org/wiki/Cryptocurrency