David Lee Chaum was born on 1955 and is an American computer scientist, cryptographer, and inventor.
24 Facts About David Chaum
2.
David Chaum is known as a pioneer in cryptography and privacy-preserving technologies, and widely recognized as the inventor of digital cash.
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David Chaum has been referred to as "the father of online anonymity", and "the godfather of cryptocurrency".
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David Chaum is known for developing ecash, an electronic cash application that aims to preserve a user's anonymity, and inventing many cryptographic protocols like the blind signature, mix networks and the Dining cryptographers protocol.
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David Chaum is Jewish and was born to a Jewish family in Los Angeles.
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David Chaum gained a doctorate in computer science from the University of California, Berkeley in 1982.
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David Chaum formed a cryptography research group at CWI, the Dutch National Research Institute for Mathematics and Computer Science in Amsterdam.
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David Chaum founded DigiCash, an electronic cash company, in 1990.
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David Chaum received an honorary doctorate from the University of Lugano in 2021.
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David Chaum is credited as the inventor of secure digital cash for his 1983 paper, which introduced the cryptographic primitive of a blind signature.
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David 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.
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In 1998, DigiCash filed for bankruptcy, and in 1999 David Chaum sold off DigiCash and ended his involvement with the company.
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In 1981, David Chaum proposed the idea of an anonymous communication network in a paper.
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David Chaum's proposal, called mix networks, allows a group of senders to submit an encryption of a message and its recipient to a server.
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David Chaum has advocated that every router be made, effectively, a Tor node.
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In 1988, David Chaum introduced a different type of anonymous communication system called a DC-Net, which is a solution to his proposed Dining Cryptographers Problem.
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In 2017, David Chaum published a description of a new variety of mix network.
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David Chaum has made numerous contributions to secure voting systems, including the first proposal of a system that is end-to-end verifiable.
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In 1991, David Chaum introduced SureVote which allowed voters to cast a ballot from an untrustworthy voting system, proposing a process now called "code voting" and used in remote voting systems like Remotegrity and DEMOS.
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In 1994, David Chaum introduced the first in-person voting system in which voters cast ballots electronically at a polling station and cryptographically verify that the DRE did not modify their vote.
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In 1979, David Chaum proposed a mechanism for splitting a key into partial keys, a predecessor to secret sharing.
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In 1985, David Chaum proposed the original anonymous credential system, which is sometimes referred to as a pseudonym system.
23.
David Chaum contributed to an important commitment scheme which is often attributed to Pedersen.
24.
In 1993 with Stefan Brands, David Chaum introduced the concept of a distance-bounding protocol.