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pro vyhledávání: '"Daniel Feher"'
Autor:
Daniel Feher, Alex Biryukov
In this paper we describe how to couple reputation systems with distributed consensus protocols to provide a scalable permissionless consensus protocol with a low barrier of entry, while still providing strong resistance against Sybil attacks for lar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc71bba6c2a43e2af39d3e3ec310bdfd
http://orbilu.uni.lu/handle/10993/41325
http://orbilu.uni.lu/handle/10993/41325
Publikováno v:
CCS
In this paper we analyze two privacy and security issues for the privacy-oriented cryptocurrency Zcash. First we study shielded transactions and show ways to fingerprint user transactions, including active attacks. We introduce two new attacks which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5b23d3765648975cbf1dea3a3a61cdf
https://doi.org/10.1145/3319535.3345663
https://doi.org/10.1145/3319535.3345663
Autor:
Daniel Feher, Alex Biryukov
Publikováno v:
INFOCOM Workshops
IEEE INFOCOM 2019 Workshop Proceedings. (2019).
IEEE INFOCOM 2019 Workshop Proceedings. (2019).
Mining is one of the core elements of the proof-of-work based cryptocurrency economy. In this paper we investigate the generic landscape and hierarchy of miners on the example of Ethereum and Zcash, two blockchains that are among the top 5 in terms o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e831a2be18baa770020fe4996a4541bc
https://doi.org/10.1109/infcomw.2019.8845201
https://doi.org/10.1109/infcomw.2019.8845201
Autor:
Alex Biryukov, Daniel Feher
Publikováno v:
CNS
With the growth in popularity for cryptocurrencies the need for privacy preserving blockchains is growing as well. Zcash is such a blockchain, providing transaction privacy through zero-knowledge proofs. In this paper we analyze transaction linkabili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ad5701d0309fc2f33a70cb8b49d8e7e
http://orbilu.uni.lu/handle/10993/39996
http://orbilu.uni.lu/handle/10993/39996
Autor:
Daniel Feher
Publikováno v:
Mining in the Asia-Pacific ISBN: 9783319613932
Political risks are critical variables for investors to consider when undertaking business in a globalised economy. Yet the concept itself remains under-theorised and, consequently, suffers from a lack of conceptual clarity. Attempts to define politi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38a908b23a4ee87755881036d2f7ccd8
https://doi.org/10.1007/978-3-319-61395-6_4
https://doi.org/10.1007/978-3-319-61395-6_4