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A Look into Privacy-Preserving Blockchains
Khan, Nida; Nassar, Mohamed
2020In IEEE BCA @AICCSA 2019 - Workshop on Blockchain and it's Applications
Peer reviewed
 

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Keywords :
Blockchain; Privacy; Differential Privacy; Privacy-preserving; Dash; Monero; Zcash; Enigma
Abstract :
[en] Blockchain is a revolutionary technology promising a new generation of decentralized, transparent and tamper-proof database systems. However, one of the main challenges of the emerging blockchain systems remains to address data privacy. While in Bitcoin and similar e-cash systems, privacy was limited to anonymity and addressed by using cryptographic pseudonyms for identification and authentication of parties, the question of privacy has more breadth in systems maintaining actual data such as medical records or energy meters. In this paper, we look into recently proposed privacy-preserving blockchains, analyze their strengths and weaknesses, and highlight research questions requiring future investigation. We conclude that privacy-preserving blockchains are still in their infancy and more research is definitely needed in this area.
Disciplines :
Computer science
Author, co-author :
Khan, Nida ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Nassar, Mohamed;  American University of Beirut > Department of COmputer Science
External co-authors :
yes
Language :
English
Title :
A Look into Privacy-Preserving Blockchains
Publication date :
2020
Event name :
IEEE Workshop on Blockchain and it's Applications @AICCSA
Event date :
3-11-2019 to 7-11-2019
Audience :
International
Journal title :
IEEE BCA @AICCSA 2019 - Workshop on Blockchain and it's Applications
Publisher :
IEEE
Peer reviewed :
Peer reviewed
FnR Project :
FNR11617092 - Data Analytics And Smart Contracts For Traceability In Finance, 2017 (01/03/2017-31/01/2021) - Nida Khan
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since 07 August 2019

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