sayed00 (26)in #crypto • 2 years agoRE: How did the idea of electronic cash transactions begin?Thanks, useful informationsteem.history (77)in #crypt • 2 years agoRE: The difference between Decryption and CryptanalysisHello welcome to Steemit world! I'm @steem.history, who is steem witness. This is a recommended post for you.…