1 March 2017

David Chaum

Name:David Chaum
Achievements:
- Pioneer of early cryptography
- Proposed Digital cash in 1982 blind signatures for untraceable payments 
- Released a whitepaper named security without identification: Transaction systems to make big brother obsolete
- Founder of Digicash in 1990 and developed ecash
- Unfortunately Digicash closed in 1999 and credit cards became the dominant form of electronic payments.
Litterature by David Chaum:
1982: Blind Signatures for Untraceable Payments which contained the first description of a digital scheme
1985: Together With Israeli cryptographers Amos Fiat and Moni Naor he wrote the paper untraceable electronic cash
1988: Untraceable Electronic Mail, Return Addresses, and Digital Pseudonyms 
1988: The Dining Cryptographers Problem: Unconditional Sender and Recipient Untraceability 
1989: Online Cash Checks 

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