Jean-Marc Seigneur

Non-Fungible Tokens (NFT) have gained popularity since 2021, reaching a total market valuation of several billion US dollars, especially in art. This paper highlights the findings of our statistically representative survey of more than 1850 Americans, e.g., 5,7% have already bought an NFT. Unfortunately, that trust has been misplaced on many occasions due to technical and legal
issues of most created NFTs. We detail those issues and evaluate them in the case of the most well-known NFT… Mehr anzeigen

Non-Fungible Tokens (NFT) have gained popularity since 2021, reaching a total market valuation of several billion US dollars, especially in art. This paper highlights the findings of our statistically representative survey of more than 1850 Americans, e.g., 5,7% have already bought an NFT. Unfortunately, that trust has been misplaced on many occasions due to technical and legal
issues of most created NFTs. We detail those issues and evaluate them in the case of the most well-known NFT marketplace, i.e., OpenSea. Weniger anzeigen

KYC (know your customer) and AML (anti-money laundering) practices have been designed and implemented in traditional financial transactions for some years now. However, it has been complicated to find a balance between business efficiency, innovations, financial inclusion, and compliance, both in the specification of what should be done and in the implementation of a risk-based approach that satisfies the required specification during real business operation. This chapter presents a survey of… Mehr anzeigen

KYC (know your customer) and AML (anti-money laundering) practices have been designed and implemented in traditional financial transactions for some years now. However, it has been complicated to find a balance between business efficiency, innovations, financial inclusion, and compliance, both in the specification of what should be done and in the implementation of a risk-based approach that satisfies the required specification during real business operation. This chapter presents a survey of traditional practices to KYC/AML, highlighting a subset of existing challenges in these practices, taking into consideration the innovation of cryptocurrencies transactions and related innovations, such as digital identity, and the financial inclusion of unbanked people without identity papers. The authors finish this chapter by discussing existing solutions to these challenges both by adopting new KYC/AML practices and by using innovative technological solutions. Weniger anzeigen

The number of crypto-currencies is increasing fast. On one hand, following the launch of Bitcoin in 2009, more than 1000 different crypto-currencies are listed in the crypto-currency markets. On the other hand, solutions like eCurrency exist to effectively create digital fiat currencies. There are solid economic reasons to introduce an optimized basket of fiat currencies as well, along the lines of the International Monetary Fund Special Drawing Rights, particularly for entities with global… Mehr anzeigen

The number of crypto-currencies is increasing fast. On one hand, following the launch of Bitcoin in 2009, more than 1000 different crypto-currencies are listed in the crypto-currency markets. On the other hand, solutions like eCurrency exist to effectively create digital fiat currencies. There are solid economic reasons to introduce an optimized basket of fiat currencies as well, along the lines of the International Monetary Fund Special Drawing Rights, particularly for entities with global assets and liabilities or for individuals wishing to protect their purchasing power in a more and more global and multipolar world. Up to now this kind of solution was only accessible to a few large institutions due to the structure of the foreign exchange market. The main original contribution of this paper is to present the first use case of linking a managed basket of fiat currencies to a new crypto-token. The tokenisation and the use of blockchain will enable us to make it accessible to any individual gaining diversification while benefiting from good liquidity and low cost. After reviewing recent digital fiat currencies initiatives, we explain the economic rationale of our optimized currency basket and its effective implementation by means of an existing blockchain-based distributed computing platform, i.e., Ethereum. Our technological approach enables a wide range of uses of our currency basket, which would not be possible without crypto-tokens. Weniger anzeigen

Many cities have recently chosen to become a smart city. A number of smart city rankings have been created and rank the cities around the world according to smart cities criteria. However, from a reputation point of view, it is not clear which parts of the world shine the most regarding its smart cities initiatives. Higher reputation may attract more investors or startups in the field and contribute to the business development of the territory. It is the reason that in this study we have… Mehr anzeigen

Many cities have recently chosen to become a smart city. A number of smart city rankings have been created and rank the cities around the world according to smart cities criteria. However, from a reputation point of view, it is not clear which parts of the world shine the most regarding its smart cities initiatives. Higher reputation may attract more investors or startups in the field and contribute to the business development of the territory. It is the reason that in this study we have applied commercially available online reputation tools in order to know which countries in the world have the highest e-reputation with regards to smart cities and may therefore benefit the most from their smart city initiatives. We have found that India has quantitatively the highest online reputation regarding smart cities. More generally, our study has shown that current online reputation management tools can be applied to smart cities and can be used to continuously monitor a smart city e-reputation as well as its potential smart cities competitors aiming at becoming the most attractive smart city in the world. Weniger anzeigen

With the advent of the Bring-Your-Own-Device (BYOD) trend, mobile work is achieving a widespread diffusion that challenges the traditional view of security standard and risk management. A recently proposed model, called opportunity- enabled risk management (OPPRIM), aims at balancing the analysis of the major threats that arise in the BYOD setting with the analysis of the potential increased opportunities emerging in such an environment, by combining mechanisms of risk estimation with trust and… Mehr anzeigen

With the advent of the Bring-Your-Own-Device (BYOD) trend, mobile work is achieving a widespread diffusion that challenges the traditional view of security standard and risk management. A recently proposed model, called opportunity- enabled risk management (OPPRIM), aims at balancing the analysis of the major threats that arise in the BYOD setting with the analysis of the potential increased opportunities emerging in such an environment, by combining mechanisms of risk estimation with trust and threat metrics. Firstly, this paper provides a formalization of the policy and metric specification paradigm of OPPRIM. Secondly, we present the verification of the OPPRIM model with respect to socio-economic aspects, which is obtained by employing tool-supported quantitative model checking techniques. Weniger anzeigen

Nowadays BYOD and mobile work are a reality even if they challenge traditional security perimeters and risk management that mainly focus on the threats that these mobile opportunities create. They do not consider their potential benefits, e.g., if a user cannot work when being paid then the productivity is lower. It is the reason that in this paper we introduce a new risk management model, called OPPRIM, where opportunities are also taken into account. We first start by surveying previous work… Mehr anzeigen

Nowadays BYOD and mobile work are a reality even if they challenge traditional security perimeters and risk management that mainly focus on the threats that these mobile opportunities create. They do not consider their potential benefits, e.g., if a user cannot work when being paid then the productivity is lower. It is the reason that in this paper we introduce a new risk management model, called OPPRIM, where opportunities are also taken into account. We first start by surveying previous work showing that opportunities have been underestimated. Then we detail our OPPRIM model. Finally we present the results of our evaluations through a user survey, quantitative data analysis at company level and simulations. For further enhancements, we have released an open-source OPPRIM simulator of more than 30 000 lines of Java code available on Github. Weniger anzeigen

From a world economy point of view Switzerland has the reputation to be a very innovative country, but how is it reflected online? We study the case of Switzerland online reputation regarding innovation including companies of its Swiss Market Index (SMI). Quantitative analysis is carried out with an advanced e-reputation monitoring tool and the results are compared with other related rankings.

There are still many issues to achieve collaborative Wi-Fi sharing: the legal liabil-ity of the sharer; high data access costs in some situations (mobility when going over a monthly subscription quota, roaming…); no appropriate incentives to share. Current trust management could exclude the malicious users, but still could not foster Wi-Fi sharing. We have extended an appropriate trust metric with co-operation incentives to mitigate all the above issues. We have evaluated our pro-posal with a… Mehr anzeigen

There are still many issues to achieve collaborative Wi-Fi sharing: the legal liabil-ity of the sharer; high data access costs in some situations (mobility when going over a monthly subscription quota, roaming…); no appropriate incentives to share. Current trust management could exclude the malicious users, but still could not foster Wi-Fi sharing. We have extended an appropriate trust metric with co-operation incentives to mitigate all the above issues. We have evaluated our pro-posal with a trust metric and incentive effectiveness through simulations and we have found the bootstrapping time for such a system and the average depletion time for its users linking it with the size of the system’s user base, proving the feasibility for such a combination. Weniger anzeigen

Book chapter of Managing Information Security by John R. Vacca

This paper got a best paper award at UBICOMM'13 the Seventh International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies

I wrote the chapter on online reputation of this security handbook edited by J. R. Vacca. It is the second edition of the book.

J'ai écrit le chapitre sur la e-réputation de ce livre édité par J. R. Vacca, petit condensé sur la sécurité informatique.

Abstract—This technological demonstration goes over a new trust management framework which can assist in achieving secure connections in wireless networks, without necessarily implying the use of strong security associations. The demonstration is based on open-source software, and has been developed to run on OpenWRT as well as on Android.