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Decentralized exchange markets leveraging blockchain have been proposed recently to provide open and equal access to traders, improve transparency and reduce systemic risk of centralized exchanges. However, they compromise on the privacy of…

Cryptography and Security · Computer Science 2021-12-21 Kavya Govindarajan , Dhinakaran Vinayagamurthy , Praveen Jayachandran , Chester Rebeiro

Currently, there is no universal method to track who shared what, with whom, when and for what purposes in a verifiable way to create an individual incentive for data owners. A platform that allows data owners to control, delete, and get…

Cryptography and Security · Computer Science 2025-10-29 Ajay Kumar Shrestha , Julita Vassileva

With the advent of the Internet of Things (IoT), e-health has become one of the main topics of research. Due to the sensitivity of patient information, patient privacy seems challenging. Nowadays, patient data is usually stored in the cloud…

Cryptography and Security · Computer Science 2023-04-04 Sajad Meisami , Mohammad Beheshti-Atashgah , Mohammad Reza Aref

The problem of a single point of failure in centralized systems poses a great challenge to the stability of such systems. Meanwhile, the tamperability of data within centralized systems makes users reluctant to trust and use centralized…

Cryptography and Security · Computer Science 2025-04-22 Ka Wai Wu

Quartierstrom creates a peer-to-peer marketplace for locally generated solar power. The marketplace is implemented as a smart contract on a permissioned blockchain governed by all prosumers. Two privacy-by-design concepts are presented…

Cryptography and Security · Computer Science 2019-05-21 Alain Brenzikofer , Noa Melchior

Electronic government (e-government) uses information and communication technologies to deliver public services to individuals and organisations effectively, efficiently and transparently. E-government is one of the most complex systems…

Cryptography and Security · Computer Science 2020-06-26 Noe Elisa , Longzhi Yang , Fei Chao , Yi Cao

The Internet of Things is progressively getting broader, evol-ving its scope while creating new markets and adding more to the existing ones. However, both generation and analysis of large amounts of data, which are integral to this…

Cryptography and Security · Computer Science 2019-04-15 Guilherme Pinto , João Pedro Dias , Hugo Sereno Ferreira

Personal IoT data is a new economic asset that individuals can trade to generate revenue on the emerging data marketplaces. Typically, marketplaces are centralized systems that raise concerns of privacy, single point of failure, little…

Cryptography and Security · Computer Science 2020-09-15 Pooja Gupta , Volkan Dedeoglu , Kamran Najeebullah , Salil S. Kanhere , Raja Jurdak

There is an increased sensitivity by people about how companies collect information about them, and how this information is packaged, used and sold. This perceived lack of control is highlighted by the helplessness of users of various…

Human-Computer Interaction · Computer Science 2019-09-09 Lindah Kotut , Timothy L. Stelter , Michael Horning , D. Scott McCrickard

Recently, cybersecurity becomes more and more important due to the rapid development of Internet. However, existing methods are in reality highly sensitive to attacks and are far more vulnerable than expected, as they are lack of trustable…

Cryptography and Security · Computer Science 2018-11-28 Yu Han , Zhongru Wang , Qiang Ruan , Binxing Fang

In order to stay up to date with world issues and cutting-edge technol-ogies, the newspaper plays a crucial role. However, collecting news is not a very easy task. Currently, news publishers are collecting news from their correspond-ents…

Networking and Internet Architecture · Computer Science 2019-04-02 Anik Islam , Md. Fazlul Kader , Md Mofijul Islam] , Soo Young Shin

Opening up data produced by the Internet of Things (IoT) and mobile devices for public utilization can maximize their economic value. Challenges remain in the trustworthiness of the data sources and the security of the trading process,…

Cryptography and Security · Computer Science 2025-11-25 Yue Li , Ifteher Alom , Wenhai Sun , Yang Xiao

For preserving privacy, blockchains can be equipped with dedicated mechanisms to anonymize participants. However, these mechanism often take only the abstraction layer of blockchains into account whereas observations of the underlying…

Networking and Internet Architecture · Computer Science 2018-07-31 David Mödinger , Henning Kopp , Frank Kargl , Franz J. Hauck

Sensor networks and Wireless Sensor Networks (WSN) are key components for the development of the Internet of Things. These networks are subject of two kinds of constraints. Adaptability by the mean of mutability and evolutivity, and…

Cryptography and Security · Computer Science 2017-06-07 Axel Moinet , Benoît Darties , Jean-Luc Baril

With the explosive growth of smart IoT devices at the edge of the Internet, embedding sensors on mobile devices for massive data collection and collective environment sensing has been envisioned as a cost-effective solution for IoT…

Networking and Internet Architecture · Computer Science 2018-08-31 Shaohan Feng , Wenbo Wang , Dusit Niyato , Dong In Kim , Ping Wang

The popularity and applicability of mobile crowdsensing applications are continuously increasing due to the widespread of mobile devices and their sensing and processing capabilities. However, we need to offer appropriate incentives to the…

Computer Science and Game Theory · Computer Science 2018-08-21 Dimitris Chatzopoulos , Sujit Gujar , Boi Faltings , Pan Hui

With rising concerns about the security of IoT devices, network operators need better ways to handle potential risks. Luckily, IoT devices show consistent patterns in how they communicate. But despite previous efforts, it remains unclear…

Cryptography and Security · Computer Science 2024-07-08 Song Guo , Minzhao Lyu , Hassan Habibi Gharakheili

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. Thus, regulations like the GDPR restrict what data can be legally published,…

Cryptography and Security · Computer Science 2022-06-16 Stefan More , Lukas Alber

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

Modern distributed applications in healthcare, supply chain, and the Internet of Things handle a large amount of data in a diverse application setting with multiple stakeholders. Such applications leverage advanced artificial intelligence…

Cryptography and Security · Computer Science 2024-11-26 Rodrigo Dutra Garcia , Gowri Ramachandran , Kealan Dunnett , Raja Jurdak , Caetano Ranieri , Bhaskar Krishnamachari , Jo Ueyama