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In the current paradigm of digital personalized services, the centralized management of personal data raises significant privacy concerns, security vulnerabilities, and diminished individual autonomy over sensitive information. Despite…

Cryptography and Security · Computer Science 2025-09-12 Osama Zafar , Mina Namazi , Yuqiao Xu , Youngjin Yoo , Erman Ayday

Securing the traceability of products in the supply chain is an urgent issue. Recently, supply chain systems that use public blockchain (PBC) have been proposed. In these systems, PBC is used as a common database shared between supply chain…

Cryptography and Security · Computer Science 2020-04-17 Takio Uesugi , Yoshinobu Shijo , Masayuki Murata

Homomorphic encryption, secure multi-party computation, and differential privacy are part of an emerging class of Privacy Enhancing Technologies which share a common promise: to preserve privacy whilst also obtaining the benefits of…

Human-Computer Interaction · Computer Science 2021-01-21 Nitin Agrawal , Reuben Binns , Max Van Kleek , Kim Laine , Nigel Shadbolt

We propose CrowdPatching, a blockchain-based decentralized protocol, allowing Internet of Things (IoT) manufacturers to delegate the delivery of software updates to self-interested distributors in exchange for cryptocurrency. Manufacturers…

Cryptography and Security · Computer Science 2020-10-26 Edoardo Puggioni , Arash Shaghaghi , Robin Doss , Salil S. Kanhere

NuLink provides privacy-preserving technology for decentralized applications via APIs. Users can securely store its valuable data, trade with others and so on. To ensure the privacy and security of service provided by NuLink,…

Cryptography and Security · Computer Science 2024-01-09 Pawn , Rookie , Zhuan Cheng

This work presents a novel decentralized protocol for digital estate planning that integrates advances distributed computing, and cryptography. The original proof-of-concept was constructed using purely solidity contracts. Since then, we…

Cryptography and Security · Computer Science 2025-07-08 Jovonni L. PHarr

With the proliferation of decentralized applications (DApps), the conflict between the transparency of blockchain technology and user data privacy has become increasingly prominent. While Decentralized Identity (DID) and Verifiable…

Cryptography and Security · Computer Science 2025-10-14 Hui Yuan

It is well known that users on open blockchains are tracked by an industry providing services to governments, law enforcement, secret services, and alike. While most blockchains do not protect their users' privacy and allow external…

Cryptography and Security · Computer Science 2021-06-08 Duc V. Le , Arthur Gervais

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

Today, vast amounts of location data are collected by various service providers. These location data owners have a good idea of where their users are most of the time. Other businesses also want to use this information for location…

Cryptography and Security · Computer Science 2019-05-01 Emre Yilmaz , Hakan Ferhatosmanoglu , Erman Ayday , Remzi Can Aksoy

Searching for available parking spaces is a major problem for drivers especially in big crowded cities, causing traffic congestion and air pollution, and wasting drivers' time. Smart parking systems are a novel solution to enable drivers to…

Cryptography and Security · Computer Science 2021-01-28 Wesam Al Amiri , Mohamed Baza , Karim Banawan , Mohamed Mahmoud , Waleed Alasmary , Kemal Akkaya

Two parties wish to collaborate on their datasets. However, before they reveal their datasets to each other, the parties want to have the guarantee that the collaboration would be fruitful. We look at this problem from the point of view of…

Cryptography and Security · Computer Science 2024-10-10 Hassan Jameel Asghar , Zhigang Lu , Zhongrui Zhao , Dali Kaafar

Millions of shipping containers filled with goods move around the world every day. Before such a container may enter a trade bloc, the customs agency of the goods' destination country must ensure that it does not contain illegal or…

Cryptography and Security · Computer Science 2018-03-28 Daniël Vos , Leon Overweel , Wouter Raateland , Jelle Vos , Matthijs Bijman , Max Pigmans , Zekeriya Erkin

Traditional Insurance, a popular approach of financial risk management, has suffered from the issues of high operational costs, opaqueness, inefficiency and a lack of trust. Recently, blockchain-enabled "parametric insurance" through…

Cryptography and Security · Computer Science 2026-05-04 Mingyu Hao , Keyang Qian , Sid Chi-Kin Chau

Privacy in block-chains is considered second to functionality, but a vital requirement for many new applications, e.g., in the industrial environment. We propose a novel transaction type, which enables privacy preserving trading of…

Cryptography and Security · Computer Science 2018-07-30 Felix Engelmann , Frank Kargl , Christoph Bösch

Existing large-scale optimization schemes are challenged by both scalability and cyber-security. With the favorable scalability, adaptability, and flexibility, decentralized and distributed optimization paradigms are widely adopted in…

Optimization and Control · Mathematics 2020-12-23 Xiang Huo , Mingxi Liu

Monitoring location updates from mobile users has important applications in many areas, ranging from public safety and national security to social networks and advertising. However, sensitive information can be derived from movement…

Cryptography and Security · Computer Science 2020-08-31 Gabriel Ghinita , Kien Nguyen , Mihai Maruseac , Cyrus Shahabi

Internet of Vehicles(IoV) is increasingly used as a medium to propagate critical information via establishing connections between entities such as vehicles and infrastructures. During message transmission, privacy-preserving authentication…

Cryptography and Security · Computer Science 2022-09-01 Xia Feng , Kaiping Cui , Liangmin Wang

Cross-institutional healthcare predictive modeling can accelerate research and facilitate quality improvement initiatives, and thus is important for national healthcare delivery priorities. For example, a model that predicts risk of…

Computers and Society · Computer Science 2018-02-07 Tsung-Ting Kuo , Lucila Ohno-Machado

In machine learning, boosting is one of the most popular methods that designed to combine multiple base learners to a superior one. The well-known Boosted Decision Tree classifier, has been widely adopted in many areas. In the big data era,…

Cryptography and Security · Computer Science 2020-02-07 Sen Wang , J. Morris Chang