On the Origins and Variations of Blockchain Technologies

Alan T. Sherman, Farid Javani, Haibin Zhang, Enis Golaszewski

Research output: Contribution to journalArticlepeer-review

69 Citations (Scopus)

Abstract

We explore the origins of blockchain technologies to better understand the enduring needs they address. We identify the five key elements of a blockchain, show the embodiments of these elements, and examine how these elements come together to yield important properties in selected systems. To facilitate comparing the many variations of blockchains, we also describe the four crucial roles of common blockchain participants. Our historical exploration highlights the 1979 work of David Chaum, whose vault system embodies many of the elements of blockchains.

Original languageEnglish
Article number8674176
Pages (from-to)72-77
Number of pages6
JournalIEEE Security and Privacy
Volume17
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019
Externally publishedYes

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