1 oct 1983 año - Digitalni denar

Descripción:

David Chaum predstavi idejo digitalnega denarja

Digital cash (Wiiki)
Chaum is credited as the inventor of secure digital cash for his 1983 paper, which also introduced the cryptographic primitive of a blind signature.[15] These ideas have been described as the technical roots of the vision of the Cypherpunk movement that began in the late 1980s.[16] Chaum's proposal allowed users to obtain digital currency from a bank and spend it in a manner that is untraceable by the bank or any other party.[17] In 1988, he extended this idea (with Amos Fiat and Moni Naor) to allow offline transactions that enable detection of double-spending.[18]

In 1990, he founded DigiCash, an electronic cash company, in Amsterdam to commercialize the ideas in his research.[2]:119 The first electronic payment was sent in 1994.[19] In 1999, Chaum left the company.[8]

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