Filters








16 Hits in 6.2 sec

Multidimensional Study on Users' Evaluation of the KRAKEN Personal Data Sharing Platform

Silvia Gabrielli, Silvia Rizzi, Oscar Mayora, Stefan More, Juan Carlos Pérez Baun, Wim Vandevelde
2022 Applied Sciences  
Recent advances in the design of blockchain-based personal data sharing platforms bring the benefit of empowering users with more control and privacy-preserving measures in sharing data products.  ...  Objective: This study aims to investigate users' main expectations, preferences, and concerns regarding the adoption of blockchain-based personal data sharing platforms in the health and education domains  ...  Acknowledgments: The authors would like to thank the participants of the KRAKEN evaluation study. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app12073270 doaj:a8e2a28af368476ab2d28fbcf30016cf fatcat:6e4xl74kmjgqxpmhz67r4c7kdu

Privacy-preserving Analytics for Data Markets using MPC [article]

Karl Koch, Stephan Krenn, Donato Pellegrino, Sebastian Ramacher
2021 arXiv   pre-print
In this paper, we present a candidate architecture for a privacy-preserving personal data market, relying on cryptographic primitives such as multi-party computation (MPC) capable of performing privacy-preserving  ...  Data markets have the potential to foster new data-driven applications and help growing data-driven businesses.  ...  Brokerage and Market platform for personal data (KRAKEN). The H2020 project KRAKEN [29] develops a data market for privacy-sensitive data.  ... 
arXiv:2103.03739v1 fatcat:mrqjwlxyyzh3rhilxpkqpaow4a

A Systematic Literature Mapping on Secure Identity Management using Blockchain Technology

Tripti Rathee, Parvinder Singh
2021 Journal of King Saud University: Computer and Information Sciences  
, 3) scrutinize and understand how the different frameworks of IdM would deal with security, integrity and privacy problems, 4) know about initiatives taken for IdM using blockchain, 5) which consensus  ...  The primary and secondary "search string" were identified and search was conducted on five databases; and after screening the analysis was done.  ...  The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.  ... 
doi:10.1016/j.jksuci.2021.03.005 fatcat:fga2vj4hszgvvb2b4w22vrti7i

A Blockchain Ethereum Technology-Enabled Digital Content: Development of Trading and Sharing Economy Data

Umair Khan, Zhang Yong An, Azhar Imran
2020 IEEE Access  
The consumer pays the appropriate market price, and platform takes the brokerage fee, respectively. Transactions are made online, but actual service provision and use are mostly done offline.  ...  At the same time, it can also specify which personal data can or cannot be shared with others. Digital records.  ... 
doi:10.1109/access.2020.3041317 fatcat:jnvfv27it5eulmtcdni27hb2e4

DIGITAL CURRENCY VS. CRYPTOCURRENCY AND BLOCKCHAIN

Sarita Mishra Kolhe
2022 International journal of research - granthaalayah  
crypto market contributing billions of dollars in trading volume.  ...  for cryptocurrencies.  ...  Popular exchanges include Coinbase, Kraken and Gemini all of which charge fees just as traditional brokerages do.  ... 
doi:10.29121/granthaalayah.v10.i4.2022.4528 fatcat:b5qpn3oeazdwzbpsiymp2dqbwm

Drug crime transformation under the effect of online platforms

Ivett Nagy
2021 Belügyi Szemle  
Affected by online platforms, drug crimes are undergoing a transformation that presents new challenges for the authorities.  ...  In my study, I am also looking for answers how the detection and recovery of criminal property is carried out at national and international level, in cases where drug crime takes place in the online space  ...  However, the black market for drugs is said to be flexible and highly adaptable.  ... 
doi:10.38146/bsz.spec.2021.6.7 fatcat:2672ygvinbct3cxnrdsydozeti

YOU SHALL NOT COMPUTE on my Data: Access Policies for Privacy-Preserving Data Marketplaces and an Implementation for a Distributed Market using MPC [article]

Stefan More, Lukas Alber
2022 pre-print
To demonstrate the feasibility of our approach, we provide an implementation for the KRAKEN marketplace, a distributed data market using MPC.  ...  Personal data is an attractive source of insights for a diverse field of research and business. While our data is highly valuable, it is often privacy-sensitive.  ...  ACKNOWLEDGMENTS This work was supported by the European Union's Horizon 2020 research and innovation programme under grant agreements № 871473 (KRAKEN) and № 959072 (mGov4EU).  ... 
doi:10.1145/3538969.3544445 arXiv:2206.07507v1 fatcat:3nvn2ldl2ber7pn5h7ahmpqzpm

Choosing Collaboration Partners. How Scientific Success in Physics Depends on Network Positions [article]

Raphael H. Heiberger, Oliver J. Wieczorek
2016 arXiv   pre-print
To control the nested levels of authors and papers, and to consider the time elapsing between working paper and prominent journal publication we employ multilevel eventhistory models with various network  ...  Also, even with low volumes of social capital Physicists who occupy brokerage positions enhance their chances of articles in high impact journals significantly.  ...  Acknowledgements: We would like to gratefully acknowledge comments and discussions with Christian Baier, Richard Heidler, Pia König, Richard Münch, Brigitte Münzel and Daniel Wieczorek.  ... 
arXiv:1608.03251v2 fatcat:ruwm6g7aovczfmkhsybbps5mma

D3.7- 1st periodic report on ongoing JRPs [article]

Sciensano
2021 Zenodo  
Non-Typhi, non-Paratyphi Salmonella-related hospitalisations in Spain: trends, clinical aspects, risk factors for worse prognosis and hospital costs. Eur J Clin Microbiol Infect Dis (2018).  ...  NGS based diagnostics as an integrative platform for all sectors.  ...  All personal and business data collected will be treated confidentially and in accordance with strict national and EU data law.  ... 
doi:10.5281/zenodo.4897286 fatcat:yrh5fnjtovafhjwbioahn622ti

Identity and Access Management [chapter]

2012 IT Audit, Control, and Security  
Abstract This thesis majorly consists of a research on Identity and Access Management. Terminology related to this topic is discussed and a formal functional definition is suggested.  ...  The required complexity or quality of research of student theses may vary by program, and the required minimum study period may vary in duration.  ...  A Dutch citizen could, for example, demand that their personal data is not used for direct marketing. For IT however, the company regulation is of more interest.  ... 
doi:10.1002/9781118269138.ch22 fatcat:qijoculxzre4reqagzhcnwf7sq

Identity and Access Management [chapter]

2006 Information Security Cost Management  
Abstract This thesis majorly consists of a research on Identity and Access Management. Terminology related to this topic is discussed and a formal functional definition is suggested.  ...  The required complexity or quality of research of student theses may vary by program, and the required minimum study period may vary in duration.  ...  A Dutch citizen could, for example, demand that their personal data is not used for direct marketing. For IT however, the company regulation is of more interest.  ... 
doi:10.1201/9781420013832.ch12 fatcat:udavsowferfnlhrcjwni7artz4

Arbitrage in the Bitcoin ecosystem: an investigation of the Mt. Gox exchange platform

Pietro Saggese
2021
for.  ...  Gox platform and the two-point arbitrage across Mt. Gox and two counterpart exchanges, Bitstamp and BTC-e.  ...  To non expert investors, the platform simply appears as a web interface with a password and an identifier that gives access to a personal area reporting the user's balances, and an online market where  ... 
doi:10.13118/imtlucca/e-theses/329 fatcat:vvq55hpt3vh2fo4zicrfqfuxci

EmTract: Investor Emotions and Market Behavior [article]

Domonkos Vamossy, Rolf Skog
2021
First, it is tailored for financial context; second, it incorporates key aspects of social media data, such as non-standard phrases, emojis and emoticons; and third, it operates by sequentially learning  ...  Our findings reinforce the intuition that emotions and market dynamics are closely related, and highlight the importance of considering investor emotions when assessing a stock's short-term value.  ...  To get to our answer, we use data from StockTwits, a social networking platform for investors to share stock opinions.  ... 
doi:10.48550/arxiv.2112.03868 fatcat:m5rbp7vf75apvfcq5qdbbezzcq

Cryptocurrencies on the Rise – the Impact of Cryptocurrencies on the Society of the Future

Markus Schindler, Bernhard Seyr, Tamás Kovács
2021
cryptocurrencies in the banking sector and regulatory institutions.  ...  METHODS: The research is focusing on both qualitative and quantitative methods.  ...  The platform promises to make note loans and similar capital market products more accessible and efficient for issuers and institutional investors. Mag.  ... 
doi:10.13147/soe.2021.005 fatcat:gknpmkylsrf7pp6n5rewvhdgta

Innovazione finanziaria e algoritmi: tra trasparenza e opacità

RICCARDO PISELLI
2020
MARKETS AUTHORITIES, Call for Evidence.  ...  The Ethereum platform was designed to abstract these details and provide a deterministic and secure programming environment for decentralized blockchain applications». 337Il primo tentativo documentato  ...  data)79 e di of International Law & Business, 2016.  ... 
doi:10.13119/11385_204275 fatcat:migubgsjmfcofi5lkxriqtbfse
« Previous Showing results 1 — 15 out of 16 results