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Current systems used by medical institutions for the management and transfer of Electronic Medical Records (EMR) can be vulnerable to security and privacy threats. In addition, these centralized systems often lack interoperability and give…

Cryptography and Security · Computer Science 2019-04-26 Ehab Zaghloul , Tongtong Li , Matt Mutka , Jian Ren

Blockchain is a novel technology that is rising a lot of interest in the industrial and re- search sectors because its properties of decentralisation, immutability and data integrity. Initially, the underlying consensus mechanism has been…

Cryptography and Security · Computer Science 2018-05-10 Stefano De Angelis

Non-orthogonal multiple access (NOMA) with successive interference cancellation receiver is considered as one of the most potent multiple access techniques to be adopted in future wireless communication networks. Data security in the NOMA…

Networking and Internet Architecture · Computer Science 2018-12-05 Anik Islam , Mohammed Belal Uddin , Md. Fazlul Kader , Soo Young Shin

Proof of Stake (PoS) blockchains offer promising alternatives to traditional Proof of Work (PoW) systems, providing scalability and energy efficiency. However, blockchains operate in a decentralized manner and the network is composed of…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-25 Faisal Haque Bappy , Tariqul Islam , Kamrul Hasan , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

In this paper, we propose a dynamic spectrum sensing-based architecture to provide connectivity for a massive number of Internet-of-things (IoT) objects over the unlicensed spectrum. Specifically, the architecture relies on deploying…

Signal Processing · Electrical Eng. & Systems 2018-12-07 Ghaith Hattab , Danijela Cabric

Enabling blockchain technology into IoT can help to achieve a proper distributed consensus based IoT system that overcomes disadvantages of today's centralized infrastructures, such as, among others, high cloud server maintenance costs,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-05 Gokhan Sagirlar , John D. Sheehan , Emanuele Ragnoli

This paper proposes an efficient framework to execute Smart Contract Transactions (SCTs) concurrently based on object semantics, using optimistic Single-Version Object-based Software Transactional Memory Systems (SVOSTMs) and Multi-Version…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-24 Parwat Singh Anjana , Hagit Attiya , Sweta Kumari , Sathya Peri , Archit Somani

The proliferation of connected devices through Internet connectivity presents both opportunities for smart applications and risks to security and privacy. It is vital to proactively address these concerns to fully leverage the potential of…

Cryptography and Security · Computer Science 2023-05-17 Nazatul H. Sultan , Shabnam Kasra-Kermanshahi , Yen Tran , Shangqi Lai , Vijay Varadharajan , Surya Nepal , Xun Yi

In modern healthcare systems, being able to share electronic health records is crucial for providing quality care and for enabling a larger spectrum of health services. Health data sharing is dependent on obtaining individual consent which,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-02 Vikas Jaiman , Visara Urovi

The business potential of device-to-device (D2D) communication including public safety and vehicular communications will be realized only if direct communication between devices subscribed to different mobile operators (OPs) is supported.…

Networking and Internet Architecture · Computer Science 2016-11-08 Byungjin Cho , Konstantinos Koufos , Riku Jäntti , Seong-Lyun Kim

As restaking protocols gain adoption across blockchain ecosystems, there is a need for Actively Validated Services (AVSs) to span multiple Shared Security Providers (SSPs). This leads to stake fragmentation which introduces new…

Cryptography and Security · Computer Science 2025-05-09 Abhimanyu Nag , Dhruv Bodani , Abhishek Kumar

Although the emergence of the programmable smart contract makes blockchain systems easily embrace a wider range of industrial areas, how to execute smart contracts efficiently becomes a big challenge nowadays. Due to the existence of…

Databases · Computer Science 2019-05-20 Shuaifeng Pang , Xiaodong Qi , Zhao Zhang , Cheqing Jin , Aoying Zhou

Decentralized Online Social Networks (DOSNs) have been proposed as an alternative solution to the current centralized Online Social Networks (OSNs). Online Social Networks are based on centralized architecture (e.g., Facebook, Twitter, or…

Cryptography and Security · Computer Science 2019-10-29 Mohsin Ur Rahman , Fabrizio Baiardi , Barbara Guidi , Laura Ricci

Bribery is a perilous issue in the real world, especially in an economical aspect. This fraudulence is unavoidable, and more importantly, it is more difficult to trace in case smart contracts are utilized for bribing on a distributed public…

Cryptography and Security · Computer Science 2023-06-16 Quang Tran , Lin Chen , Lei Xu , Yang Lu , Rabimba Karanjai , Weidong Shi

With the rapid evolution of metaverse technologies, numerous metaverse applications have arisen for various purposes and scenarios. This makes interoperability across metaverses becomes one of the fundamental technology enablers in the…

Computers and Society · Computer Science 2023-02-06 Taotao Li , Changlin Yang , Qinglin Yang , Siqi Zhou , Huawei Huang , Zibin Zheng

The disruptive power of blockchain technologies represents a great opportunity to re-imagine standard practices of telecommunication networks and to identify critical areas that can benefit from brand new approaches. As a starting point for…

Networking and Internet Architecture · Computer Science 2017-03-14 Emanuele Di Pascale , Jasmina McMenamy , Irene Macaluso , Linda Doyle

Mobile edge computing (MEC) and next-generation mobile networks are set to disrupt the way intelligent and autonomous systems are interconnected. This will have an effect on a wide range of domains, from the Internet of Things to autonomous…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-16 Jorge Peña Queralta , Tomi Westerlund

The main problem faced by smart contract platforms is the amount of time and computational power required to reach consensus. In a classical blockchain model, each operation is in fact performed by each node, both to update the status and…

Cryptography and Security · Computer Science 2021-11-11 Alessio Meneghetti , Tommaso Parise , Massimiliano Sala , Daniele Taufer

Blockchains are modern distributed systems that provide decentralized financial capabilities with trustable guarantees. Smart contracts are programs written in specialized programming languages running on a blockchain and govern how tokens…

Cryptography and Security · Computer Science 2022-07-11 Margarita Capretto , Martin Ceresa , Cesar Sanchez

We construct an empirically founded model of a repo trade intermediated by two broker-dealers and prove multiple equilibrium and the existence of equilibrium at the joint profit maximizing volume of trade. We then present a smart contract…

Theoretical Economics · Economics 2026-04-21 Daniel Aronoff , Robert M. Townsend
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