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Transferable e-cash revisit

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Abstract

Incorporating the property of transferability into an offline electronic cash (e-cash) system has turned out to be no easy matter. Most of the e-cash systems proposed so far do not provide transferability. Those who support transferability are either inefficient or requiring to be online with the help of a trustee. In this paper we present an efficient offline transferable e-cash system. The computational complexity of our system is as light as a single term e-cash system [13]. Besides, no trustee is involved in the transfer protocol. In addition to it, we propose two e-check systems constructed using similar techniques to our e-cash system. One is as efficient as a single term e-cash system and supports partial unlinkability. The other one provides complete unlinkability with a more complex setting.

Original languageEnglish
Title of host publicationSecurity and Privacy in the Age of Ubiquitous Computing - IFIP TC11 20th International Information Security Conference
Pages171-188
Number of pages18
DOIs
Publication statusPublished - 1 Dec 2005
Externally publishedYes
EventInternational Information Security Conference 2005 - Chiba, Japan
Duration: 30 May 20051 Jun 2005
Conference number: 20th
https://link.springer.com/book/10.1007/b135818 (Proceedings)

Publication series

NameIFIP Advances in Information and Communication Technology
Volume181
ISSN (Print)1868-4238

Conference

ConferenceInternational Information Security Conference 2005
Abbreviated titleIFIP/SEC 2005
Country/TerritoryJapan
CityChiba
Period30/05/051/06/05
Internet address

Keywords

  • e-check
  • electronic payment systems
  • secure electronic commerce
  • transferable e-cash

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