Public key quantum money can be seen as a version of the quantum no-cloning theorem that holds even when the quantum states can be verified by the adversary. In this work, investigate quantum lightning, a formalization of “collision-free quantum money” defined by Lutomirski et al. [ICS’10], where no-cloning holds even when the adversary herself generates the quantum state to be cloned. We then ...

This thesis is intended to be a succinct and rather informal presentation of some of my most recent work, which has been done in collaboration with several other people. In particular this thesis concentrates on our contributions to the study of incomplete information in the context of data interoperability. In this scenario data is heterogenous and decentralized, needs to be integrated from se...

Abstract The emergence of crypto currencies such as Bitcoin and Ethereum have shown the value in decentralized technologies. idea having 24/7 access to programmable money peaked interest field, a by-product, came realization that same core technologies enable dog money, can highly-available DNS services, storage asset exchanges, peer-to-peer marketplaces name few. This paper explores use smart ...

This two-fold presentation will discuss the Cyber-Physical-Systems (CPS) framework in light of these incidents, as well as position the incidents within an over-all resilience concept while making connections to various resilience techniques. Discussion. Cognizant of the fact that resilience has been defined by various disciplines (e.g., social, ecological, biological, and engineering) and in d...

Interbank payment and settlement flows have changed substantially in the last decade. This paper applies social network analysis to settlement data from the Bank of Japan Financial Network System (BOJ-NET) to examine the structure of transactions in the interbank money market. We find that interbank payment flows have changed from a star-shaped network with money brokers mediating at the hub to...

Search models of monetary exchange commonly assume that terms of trade in decentralized markets are determined via Nash bargaining. Bargaining frictions add to the classical intertemporal distortion present in most monetary models, whereby agents work today to obtain cash that can be used only in future transactions. More important, bargaining frictions may cause underproduction in decentralize...

Over recent years, the innovative decentralized payment system Bitcoin has received much attention in practice and academia. Despite a growth of transaction volume and an increasing attention in the area of e-commerce, there is little academic research examining the factors influencing adoption. To fill this research gap, this paper documents an exploratory study of the key determinants and inh...

Over recent years, the innovative decentralized payment system Bitcoin has received much attention in practice and academia. Despite a growth of transaction volume and an increasing attention in the area of e-commerce, there is little academic research examining the factors influencing adoption. To fill this research gap, this paper documents an exploratory study of the key determinants and inh...

Recent work has reduced the gap between search-based monetary theory and mainstream macroeconomics by incorporating into the search model some centralized markets as well as some decentralized markets where money is essential. This paper takes a further step towards this integration by introducing labor, capital and neoclassical ̄rms. The resulting framework nests the search-theoretic monetary m...

____________________________________________________________ I study a version of the Lagos-Wright (2003) model of monetary exchange in which buyers have private information about their tastes and sellers make take-it-or-leave-it-offers (i.e., have the power to set prices and quantities). The introduction of imperfect information makes the existence of monetary equilibrium a more robust feature...