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The advancement in cloud networks has enabled connectivity of both traditional networked elements and new devices from all walks of life, thereby forming the Internet of Things (IoT). In an IoT setting, improving and scaling network…

Cryptography and Security · Computer Science 2020-02-04 Safi Faizullah , Muhammad Asad Khan , Ali Alzahrani , Imdadullah Khan

Blockchain is a technology uniquely suited to support massive number of transactions and smart contracts within the Internet of Things (IoT) ecosystem, thanks to the decentralized accounting mechanism. In a blockchain network, the states of…

Information Theory · Computer Science 2018-02-13 Pietro Danzi , Anders Ellersgaard Kalør , Čedomir Stefanović , Petar Popovski

Federated learning (FL) has been widely adopted in various fields of study and business. Traditional centralized FL systems suffer from serious issues. To address these concerns, decentralized federated learning (DFL) systems have been…

Cryptography and Security · Computer Science 2024-02-13 Mojtaba Ahmadi , Reza Nourmohammadi

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

Traditional blockchains cannot achieve the same transaction throughput as Web2, so their use cases are limited. Therefore, state sharding has been proposed to improve transaction throughput by dividing the blockchain network and managing…

Cryptography and Security · Computer Science 2023-09-06 Takaki Asanuma , Takeshi Miyamae , Yuji Yamaoka

In the rapidly evolving digital business landscape, organizations increasingly need to collaborate across boundaries to achieve complex business objectives, requiring both efficient process coordination and flexible decision-making…

Software Engineering · Computer Science 2024-12-03 Xinzhe Shen , Jiale Luo , Hao Wang , Mingyi Liu , Schahram Dustdar , Zhongjie Wang

Supply chain applications operate in a multi-stakeholder setting, demanding trust, provenance, and transparency. Blockchain technology provides mechanisms to establish a decentralized infrastructure involving multiple stakeholders. Such…

Cryptography and Security · Computer Science 2021-08-30 Gowri Sankar Ramachandran , Sidra Malik , Shantanu Pal , Ali Dorri , Volkan Dedeoglu , Salil Kanhere , Raja Jurdak

The DFINITY blockchain computer provides a secure, performant and flexible consensus mechanism. At its core, DFINITY contains a decentralized randomness beacon which acts as a verifiable random function (VRF) that produces a stream of…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-15 Timo Hanke , Mahnush Movahedi , Dominic Williams

Consensus is unnecessary when the truth is available. In this paper, we present a new perspective of rebuilding the blockchain without consensus. When the consensus phase is eliminated from a blockchain, transactions could be canonized…

Networking and Internet Architecture · Computer Science 2022-09-29 Qing Wang , Jian Zheng , Huawei Huang , Jianru Lin

Industrial processes rely on sensory data for decision-making processes, risk assessment, and performance evaluation. Extracting actionable insights from the collected data calls for an infrastructure that can ensure the dissemination of…

Cryptography and Security · Computer Science 2023-05-22 Sabah Suhail , Rasheed Hussain , Raja Jurdak , Alma Oracevic , Khaled Salah , Raimundas Matulevičius , Choong Seon Hong

Blockchain technology enables secure tokens transfers in digital marketplaces, and recent advances in this field provide other desirable properties such as efficiency, privacy, and price stability. However, these properties do not always…

Cryptography and Security · Computer Science 2024-07-01 Anwitaman Datta , Daniël Reijsbergen , Jingchi Zhang , Suman Majumder

Deepfake technology is a major threat to the integrity of digital media. This paper presents a comprehensive framework for a blockchain-based decentralized system designed to tackle the escalating challenge of digital content integrity. The…

Cryptography and Security · Computer Science 2023-12-05 Dipankar Sarkar

Payment channel networks (PCNs) enhance the scalability of blockchains by allowing parties to conduct transactions off-chain, i.e, without broadcasting every transaction to all blockchain participants. To conduct transactions, a sender and…

Cryptography and Security · Computer Science 2022-08-05 Oğuzhan Ersoy , Jérémie Decouchant , Satwik Prabhu Kimble , Stefanie Roos

Spectrum access system (SAS) is widely considered the de facto solution to coordinating dynamic spectrum sharing (DSS) and protecting incumbent users. The current SAS paradigm prescribed by the FCC for the CBRS band and standardized by the…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-14 Yang Xiao , Shanghao Shi , Wenjing Lou , Chonggang Wang , Xu Li , Ning Zhang , Y. Thomas Hou , Jeffrey H. Reed

The oracle problem refers to the inability of an agent to know if the information coming from an oracle is authentic and unbiased. In ancient times, philosophers and historians debated on how to evaluate, increase, and secure the…

Cryptography and Security · Computer Science 2026-05-22 Giulio Caldarelli , Massimiliano Ornaghi

Flexible resources in built environments are seen as a low-cost opportunity for delivering grid management services. Consequently, the centralised aggregator model, where the aggregator is used to bundle demand flexibility from flexible…

Cryptography and Security · Computer Science 2022-12-20 Samuel Karumba , Salil S. Kanhere , Raja Jurdak , Subbu Sethuvenkatraman

We propose CHRONOS, a hardware-assisted framework that decouples the cryptographic setup required for private gradient aggregation from the active training phase. CHRONOS executes a once-per-epoch server-relayed Diffie-Hellman key exchange…

Cryptography and Security · Computer Science 2026-05-01 Hung Dang

The global financial landscape is experiencing significant transformation driven by technological advancements and evolving market dynamics. Moreover, blockchain technology has become a pivotal platform with widespread applications,…

Computational Engineering, Finance, and Science · Computer Science 2024-07-30 Maruf Ahmed Mridul , Kaiyang Chang , Aparna Gupta , Oshani Seneviratne

An interesting research problem in supply chain industry is evaluating and determining provenance of physical goods - demonstrating authenticity of luxury goods. Yet, there have been a few innovative software solutions addressing product…

Computers and Society · Computer Science 2021-02-04 Neo C. K. Yiu

Blockchains implement decentralized monetary systems and applications. Recent advancements enable what we call tethering a blockchain to a primary blockchain, securing the tethered chain by nodes that post primary-chain tokens as…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-25 Yogev Bar-On , Roi Bar-Zur , Omer Ben-Porat , Nimrod Cohen , Ittay Eyal , Matan Sitbon