Anonymity reduction attacks to Monero

Dimaz Ankaa Wijaya, Joseph Liu, Ron Steinfeld, Dongxi Liu, Tsz Hon Yuen

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Abstract

Monero is one of the most valuable cryptocurrencies in the market, focusing on users’ privacy. The built-in features in Monero help users to obfuscate the information of the senders and the receivers, hence achieve a better privacy compared to other cryptocurrencies such as Bitcoin. Previous studies discovered multiple problems within Monero systems, and based on these findings, Monero system has been improved. Although improvements have been made, we discovered that new attacks targeting the anonymity reduction can still be conducted in Monero system. In this paper we propose two attacks. The first is an extension of a known attack called Monero Ring Attack. The second one exploits Payment ID to discover the real output of a mixin. We then propose countermeasures to these attacks.

Original languageEnglish
Title of host publicationInformation Security and Cryptology
Subtitle of host publication14th International Conference, Inscrypt 2018 Fuzhou, China, December 14–17, 2018 Revised Selected Papers
EditorsFuchun Guo, Xinyi Huang, Moti Yung
Place of PublicationCham Switzerland
PublisherSpringer
Pages86-100
Number of pages15
ISBN (Electronic)9783030142346
ISBN (Print)9783030142339
DOIs
Publication statusPublished - 2019

Publication series

NameLecture Notes in Computer Science
PublisherSpringer
Volume11449
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Keywords

  • Anonymity
  • Attack
  • Monero
  • Ring signature
  • Traceability

Cite this

Wijaya, D. A., Liu, J., Steinfeld, R., Liu, D., & Yuen, T. H. (2019). Anonymity reduction attacks to Monero. In F. Guo, X. Huang, & M. Yung (Eds.), Information Security and Cryptology: 14th International Conference, Inscrypt 2018 Fuzhou, China, December 14–17, 2018 Revised Selected Papers (pp. 86-100). (Lecture Notes in Computer Science; Vol. 11449 ). Cham Switzerland: Springer. https://doi.org/10.1007/978-3-030-14234-6_5
Wijaya, Dimaz Ankaa ; Liu, Joseph ; Steinfeld, Ron ; Liu, Dongxi ; Yuen, Tsz Hon. / Anonymity reduction attacks to Monero. Information Security and Cryptology: 14th International Conference, Inscrypt 2018 Fuzhou, China, December 14–17, 2018 Revised Selected Papers. editor / Fuchun Guo ; Xinyi Huang ; Moti Yung. Cham Switzerland : Springer, 2019. pp. 86-100 (Lecture Notes in Computer Science).
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Wijaya, DA, Liu, J, Steinfeld, R, Liu, D & Yuen, TH 2019, Anonymity reduction attacks to Monero. in F Guo, X Huang & M Yung (eds), Information Security and Cryptology: 14th International Conference, Inscrypt 2018 Fuzhou, China, December 14–17, 2018 Revised Selected Papers. Lecture Notes in Computer Science, vol. 11449 , Springer, Cham Switzerland, pp. 86-100. https://doi.org/10.1007/978-3-030-14234-6_5

Anonymity reduction attacks to Monero. / Wijaya, Dimaz Ankaa; Liu, Joseph; Steinfeld, Ron; Liu, Dongxi; Yuen, Tsz Hon.

Information Security and Cryptology: 14th International Conference, Inscrypt 2018 Fuzhou, China, December 14–17, 2018 Revised Selected Papers. ed. / Fuchun Guo; Xinyi Huang; Moti Yung. Cham Switzerland : Springer, 2019. p. 86-100 (Lecture Notes in Computer Science; Vol. 11449 ).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

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AB - Monero is one of the most valuable cryptocurrencies in the market, focusing on users’ privacy. The built-in features in Monero help users to obfuscate the information of the senders and the receivers, hence achieve a better privacy compared to other cryptocurrencies such as Bitcoin. Previous studies discovered multiple problems within Monero systems, and based on these findings, Monero system has been improved. Although improvements have been made, we discovered that new attacks targeting the anonymity reduction can still be conducted in Monero system. In this paper we propose two attacks. The first is an extension of a known attack called Monero Ring Attack. The second one exploits Payment ID to discover the real output of a mixin. We then propose countermeasures to these attacks.

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Wijaya DA, Liu J, Steinfeld R, Liu D, Yuen TH. Anonymity reduction attacks to Monero. In Guo F, Huang X, Yung M, editors, Information Security and Cryptology: 14th International Conference, Inscrypt 2018 Fuzhou, China, December 14–17, 2018 Revised Selected Papers. Cham Switzerland: Springer. 2019. p. 86-100. (Lecture Notes in Computer Science). https://doi.org/10.1007/978-3-030-14234-6_5