David Chaum is the inventor of many cryptographic protocols, including blind signature schemes, commitment schemes, and digital cash. In 1982, Chaum founded the International Association for Cryptologic Research (IACR), which currently organizes academic conferences in cryptography research. He has contributed to the industry advancement of electronic cash, partially in his role a founder of DigiCash, an electronic cash company, in 1990.
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- David Chaum is the inventor of many cryptographic protocols, including blind signature schemes, commitment schemes, and digital cash. In 1982, Chaum founded the International Association for Cryptologic Research (IACR), which currently organizes academic conferences in cryptography research. He has contributed to the industry advancement of electronic cash, partially in his role a founder of DigiCash, an electronic cash company, in 1990. Chaum gained a doctorate in Computer Science and Business Administration from the University of California, Berkeley. Subsequently, he taught at the New York University Graduate School of Business Administration and at the University of California. He is currently a visiting professor at K.U. Leuven. His contributions to cryptography include the invention of two anonymity networks: mix networks (the basis for virtually all modern anonymity networks) and DC-Nets; silo watching techniques; invention of several important digital signatures: blind signatures, undeniable signatures, unconditionally secure signatures, and group signatures; tamper-safing sensor systems (foreshadowing many concepts in side-channel cryptanalysis); various techniques for anonymous credentials, invention of partial key techniques (a predecessor to threshold encryption); first techniques for anonymous digital transactions and the invention of digital cash; early zero-knowledge proof techniques; multiparty computations; and the invention of cryptographic voting. He also performed notable cryptanalysis of DES and the RSA signature scheme. Currently, Chaum heads the Punchscan and Scantegrity projects — open-source, end-to-end auditable voting initiatives based on cryptographic principles.
- David Chaum ist der Erfinder einiger kryptographischer Protokolle und hatte maßgeblichen Anteil an der Fortentwicklung elektronischer Zahlungsmittel, namentlich ECash. Chaum gründete 1990 die Firma DigiCash, eine Firma für elektronische Geldgeschäfte und war Mitglied des Vorstandes. Außerdem war er 1982 der Gründer der Internationalen Vereinigung für Kryptologie-Forschung (International Association for Cryptologic Research – IACR). Chaum machte an der Universität von Kalifornien in Berkeley seinen Doktor in Informatik und Betriebswirtschaft. Im Anschluss betreute er Aufbaustudiengänge in Betriebswirtschaft an der New Yorker Universität und der Universität von Kalifornien. David Chaum ist der Autor zahlloser wissenschaftlicher Artikel zur Kryptographie und Inhaber vieler US-Patente. Viele seiner Ideen flossen direkt oder indirekt in die Entwicklung heute gängiger, kryptographischer Sicherheitssysteme ein, darunter solche, die ganz allgemein Kommunikation und jedweden Datenaustausch im Internet gegen Eingriffe absichern. Das internationale Remailer-Netzwerk profitierte stark von Chaums theoretischen Ansätzen.
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- David Chaum is the inventor of many cryptographic protocols, including blind signature schemes, commitment schemes, and digital cash. In 1982, Chaum founded the International Association for Cryptologic Research (IACR), which currently organizes academic conferences in cryptography research. He has contributed to the industry advancement of electronic cash, partially in his role a founder of DigiCash, an electronic cash company, in 1990.
- David Chaum ist der Erfinder einiger kryptographischer Protokolle und hatte maßgeblichen Anteil an der Fortentwicklung elektronischer Zahlungsmittel, namentlich ECash. Chaum gründete 1990 die Firma DigiCash, eine Firma für elektronische Geldgeschäfte und war Mitglied des Vorstandes. Außerdem war er 1982 der Gründer der Internationalen Vereinigung für Kryptologie-Forschung (International Association for Cryptologic Research – IACR).
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