Article (Scientific journals)
Security and Privacy of Mobile Wallet Users in Bitcoin, Dash, Monero, and Zcash
Biryukov, Alex; Tikhomirov, Sergei
2019In Pervasive and Mobile Computing
Peer reviewed
 

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Keywords :
bitcoin; blockchain; cryptocurrency; privacy; anonymity; Android
Abstract :
[en] Mobile devices play an increasingly important role in the cryptocurrency ecosystem, yet their privacy guarantees remain unstudied. To verify transactions, they either trust a server or use simple payment verification. First, we review the security and privacy of popular Android wallets for Bitcoin and the three major privacy-focused cryptocurrencies (Dash, Monero, Zcash). Then, we investigate the network-level properties of cryptocurrencies and propose a method of transaction clustering based on timing analysis. We implement and test our method on selected wallets and show that a moderately resourceful attacker can correlate transactions issued from one device with relatively high accuracy.
Disciplines :
Computer science
Author, co-author :
Biryukov, Alex ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Tikhomirov, Sergei ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Computer Science and Communications Research Unit (CSC)
External co-authors :
no
Language :
English
Title :
Security and Privacy of Mobile Wallet Users in Bitcoin, Dash, Monero, and Zcash
Publication date :
2019
Journal title :
Pervasive and Mobile Computing
ISSN :
1574-1192
Publisher :
Elsevier, Netherlands
Peer reviewed :
Peer reviewed
Focus Area :
Security, Reliability and Trust
Available on ORBilu :
since 24 June 2019

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