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Blockchain uses the idea of storing transaction data in the form of a distributed ledger wherein each node in the network stores a current copy of the sequence of transactions in the form of a hash chain. This requirement of storing the…

信息论 · 计算机科学 2018-01-09 Ravi Kiran Raman , Lav R. Varshney

Financial fraud cases are on the rise even with the current technological advancements. Due to the lack of inter-organization synergy and because of privacy concerns, authentic financial transaction data is rarely available. On the other…

Casting a ballot from a phone or laptop sounds appealing, but only if voters can be confident their choice remains secret and results cannot be altered in the dark. This paper proposes a hybrid blockchain-based voting model that stores…

密码学与安全 · 计算机科学 2025-10-02 Yousef Tahboub , Anthony Revilla , Jaydon Lynch , Greg Floyd

With the increasing importance of data sharing for collaboration and innovation, it is becoming more important to ensure that data is managed and shared in a secure and trustworthy manner. Data governance is a common approach to managing…

Cooperative control is crucial for the effective operation of dynamical multi-agent systems. Especially for distributed control schemes, it is essential to exchange data between the agents. This becomes a privacy threat if the data is…

系统与控制 · 电气工程与系统科学 2024-12-19 Philipp Binfet , Janis Adamek , Nils Schlüter , Moritz Schulze Darup

The blockchain technology provides integrity and reliability of the information, thus offering a suitable solution to guarantee trustability in a multi-stakeholder scenario that involves actors defining business agreements. The Ride2Rail…

计算机与社会 · 计算机科学 2025-12-08 Mario Scrocca , Marco Comerio , Alessio Carenini , Irene Celino

Blockchain technology offers a promising foundation for modernizing E-Voting systems by enhancing transparency, decentralization, and security. Yet, real-world adoption remains limited due to persistent challenges such as scalability…

密码学与安全 · 计算机科学 2025-10-06 Kiana Kiashemshaki , Elvis Nnaemeka Chukwuani , Mohammad Jalili Torkamani , Negin Mahmoudi

We study methods to enhance statistical privacy in blockchain transactions. We analyze economic mechanisms for privacy-aware transaction owners whose utility depends not only on the outcome of the mechanism but also negatively on the…

计算机科学与博弈论 · 计算机科学 2026-05-19 Georgios Chionas , Olga Gorelkina , Piotr Krysta , Rida Laraki

Optimal transport (OT) is a framework that can guide the design of efficient resource allocation strategies in a network of multiple sources and targets. To ease the computational complexity of large-scale transport design, we first develop…

社会与信息网络 · 计算机科学 2022-12-01 Jason Hughes , Juntao Chen

Blockchain is a linearly linked, distributed, and very robust data structure. Originally proposed as part of the Bitcoin distributed stack, it found a number of applications in a number of fields, most notably in smart contracts, social…

密码学与安全 · 计算机科学 2023-01-13 Georgios Drakopoulos , Michail Marountas , Xenophon Liapakis , Giannis Tzimas , Phivos Mylonas , Spyros Sioutas

Federated Learning (FL) provides privacy preservation by allowing the model training at edge devices without the need of sending the data from edge to a centralized server. FL has distributed the implementation of ML. Another variant of FL…

密码学与安全 · 计算机科学 2022-01-24 Amir Afaq , Zeeshan Ahmed , Noman Haider , Muhammad Imran

Blockchain technology is among the fastest-growing technologies in the world today. It has been adopted in diverse areas but mostly in financial systems, such as Bitcoin cryptocurrency. Therefore, it is a niche that has attracted interest…

密码学与安全 · 计算机科学 2021-06-30 Mabrook S. Al-Rakhami , Abdu Gumaei , Sk. Md. Mizanur Rahman , Atif Al-Amri

We present a blockchain based system that allows data owners, cloud vendors, and AI developers to collaboratively train machine learning models in a trustless AI marketplace. Data is a highly valued digital asset and central to deriving…

分布式、并行与集群计算 · 计算机科学 2020-02-04 Nishant Baranwal Somy , Kalapriya Kannan , Vijay Arya , Sandeep Hans , Abhishek Singh , Pranay Lohia , Sameep Mehta

This paper proposes a model that enables permissionless and decentralized networks for complex computations. We explore the integration and optimize load balancing in an open, decentralized computational network. Our model leverages…

计算金融 · 定量金融 2025-01-03 German Rodikov

Decentralized Ledger Technology, popularized by the Bitcoin network, aims to keep track of a ledger of valid transactions between agents of a virtual economy without a central institution for coordination. In order to keep track of a…

系统与控制 · 计算机科学 2018-07-04 Michael Zargham , Zixuan Zhang , Victor Preciado

Cooperative information systems typically involve various entities in a collaborative process within a distributed environment. Blockchain technology offers a mechanism for automating such processes, even when only partial trust exists…

密码学与安全 · 计算机科学 2024-05-08 Edoardo Marangone , Michele Spina , Claudio Di Ciccio , Ingo Weber

In a global economy with many competitive participants, licensing and tracking of 3D printed parts is desirable if not mandatory for many use-cases. We investigate a blockchain-based approach, as blockchains provide many attractive…

密码学与安全 · 计算机科学 2021-10-12 Felix Engelmann , Jan Philip Speichert , Ralf God , Frank Kargl , Christoph Bösch

Dynamic spectrum sharing (DSS) between satellite and terrestrial networks has increasingly engaged the academic and industrial sectors. Nevertheless, facilitating secure, efficient and scalable sharing continues to pose a pivotal challenge.…

分布式、并行与集群计算 · 计算机科学 2024-08-06 Zixin Wang , Mingrui Cao , Hao Jiang , Bin Cao , Shuo Wang , Chen Sun , Mugen Peng

In the current connected world - Websites, Mobile Apps, IoT Devices collect a large volume of users' personally identifiable activity data. These collected data is used for varied purposes of analytics, marketing, personalization of…

密码学与安全 · 计算机科学 2022-01-06 Subhadip Mitra

Nowadays, huge amounts of data are generated every second, and a quantity of that data can be defined as sensitive. Blockchain technology has private, secure, transparent and decentralized exchange of data as native. It is adaptable and can…

分布式、并行与集群计算 · 计算机科学 2021-12-16 M. Sipek , M. Zagar , B. Mihaljevic , N. Draskovic