David Lee Chaum (born 1955) is an American computer scientist, cryptographer, and inventor. He is known as a pioneer in cryptography and privacy-preserving...

Ecash was conceived by David Chaum as an anonymous cryptographic electronic money or electronic cash system in 1982. It was realized through his corporation...

Chaum is a commune in the Haute-Garonne department in southwestern France. It is situated on the former Route nationale 618, the "Route of the Pyrenees"...

DigiCash Inc. was an electronic money corporation founded by David Chaum in 1989. DigiCash transactions were unique in that they were anonymous due to...

weaker adversaries. The concept of mix networks was first described by David Chaum in 1981. Applications that are based on this concept include anonymous remailers...

perform a secure multi-party computation of the boolean-XOR function. David Chaum first proposed this problem in the early 1980s and used it as an illustrative...

version of xx messenger was first presented on January 6, 2016 by David Chaum at the Real World Crypto conference with the stated goal of demonstrating...

In cryptography a blind signature, as introduced by David Chaum, is a form of digital signature in which the content of a message is disguised (blinded)...

is a pioneer of early digital asset research similar to Wei Dai, David Chaum, and Hal Finney. In 1997, Back invented Hashcash. A similar system is used...

Trusted by Mutually Suspicious Groups. Chaum proposed an electronic payment system called Ecash in 1982. Chaum's company DigiCash implemented this system...

cryptology and related fields. The IACR was organized at the initiative of David Chaum at the CRYPTO '82 conference. The IACR organizes and sponsors three annual...

communications. It is an implementation of a mix network devised by David Chaum in 1981. The research that led to the design of the Nym mixnet was carried...

illegal means. This form of pseudonymous remailer is no longer common. David Chaum wrote an article in 1981 that described many of the features present in...

Industrial Cryptography (COSIC) research group, led by Bart Preneel. David Chaum and Bart Preneel were his advisors. Sassaman was a well-known cypherpunk...

creeping computerization, massive databases, more centralization - and [David] Chaum offers a completely different direction to go in, one which puts power into...

out of remailers from tracing them. It is an implementation of a David Chaum's mix network. Mixmaster was originally written by Lance Cottrell, and was...

disciplines. Cryptographers think the field originated from the work of Dr David Chaum who invented the blind signature. The blind signature is a special form...

devalue the signature in the eyes of the verifier. It was invented by David Chaum and Hans van Antwerpen in 1989. In this scheme, a signer possessing a private...

the blog BoingBoing. In spring of 2008, she published a paper with David Chaum and Len Sassaman in a USENIX workshop criticizing the lack of attention...

Archived from the original on 3 July 2019. Retrieved 22 February 2018. "David Chaum and Guido van Rossum awarded Dijkstra Fellowship". www.cwi.nl. Archived...

Lotspiech, Revocation and Tracing Schemes for Stateless Receivers. David Chaum, Amos Fiat and Moni Naor, Untraceable Electronic Cash, 1990. Amos Fiat and...

Michael Ben-Or, Shafi Goldwasser and Avi Wigderson, and independently David Chaum, Claude Crépeau, and Ivan Damgård, had published papers showing "how to...

is an optical scan vote counting system invented by cryptographer David Chaum. Punchscan is designed to offer integrity, privacy, and transparency. The...

capitalization exceeding $1 billion. In 1983, American cryptographer David Chaum conceived of a type of cryptographic electronic money called ecash. Later...

intermediary can view the original message. Anonymous remailer Bitblinder Chaum mixes Cryptography Degree of anonymity Diffie–Hellman key exchange Java...

The original system of anonymous credentials, initially proposed by David Chaum is sometimes referred to as a pseudonym system. This nomenclature arises...

Cazaux-Layrisse Cazeaux-de-Larboust Cazeneuve-Montaut Cazères Cépet Cessales Charlas Chaum Chein-Dessus Ciadoux Cier-de-Luchon Cier-de-Rivière Cierp-Gaud Cintegabelle...

1 s 1 h 2 s 2 {\displaystyle t_{2}=Y^{c}h_{1}^{s_{1}}h_{2}^{s_{2}}} The Chaum-Pedersen protocol is an interactive method and needs some modification to...

first digital currency is attributed to an algorithm developed by David Chaum in 1983. Although modern folklore suggests the possibility of early internet...

cash technologies, starting with the issuer-based ecash protocols of David Chaum and Stefan Brands. The idea that solutions to computational puzzles could...