Bernadette Charron-Bost
CNRS senior researcher and research Fellow at LIX-CNRS
REsearch center courses
Committee-based blockchains are among the most popular alternatives of proof-of-work based blockchains, such as Bitcoin. They provide strong consistency (no fork) under classical assumptions, and...
We show that the single-server computational PIR protocol proposed by Holzbaur, Hol- lanti and Wachter-Zeh in is not private, in the sense that the server can recover in polynomial time the index of...
We analyze from the game theory point of view Byzantine Fault Tolerant blockchains when processes exhibit rational or Byzantine behavior. Our work is the first to model the Byzantine- consensus based...
The introduction of a central bank digital currency (CBDC) allows the central bank to engage in large-scale intermediation by competing with private financial intermediaries for deposits. Yet, since a...
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