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The necessity of blockchain systems to remain decentralised limits current solutions to blockchain governance and dynamic management, forcing a trade-off between control and decentralisation. In light of the above, this work proposes a…

密码学与安全 · 计算机科学 2025-10-10 Georgios Diamantopoulos , Nikos Tziritas , Rami Bahsoon , Georgios Theodoropoulos

The strength of carrier-sense multiple access with collision avoidance (CSMA/CA) can be combined with that of time-division multiple access (TDMA) to enhance the channel access performance in wireless networks such as the IEEE…

网络与互联网体系结构 · 计算机科学 2016-11-18 Bharat Shrestha , Ekram Hossain , Kae Won Choi

Blockchain technology has revolutionized the digital landscape, driving innovations across industries through its decentralized and transparent infrastructure. These networks are primarily categorized as public or private, based on user…

密码学与安全 · 计算机科学 2026-03-10 Mohammad Pishdar , Jawad Manzoor

Blockchain technology emerged with the advent of Bitcoin and rapidly developed over the past few decades, becoming widely accepted and known by the public. However, in the past decades, the massive adoption of blockchain technology has yet…

密码学与安全 · 计算机科学 2024-07-26 Jia Kan

Fast data synchronization in wireless ad hoc networks is a challenging and critical problem. It is fundamental for efficient information fusion, control and decision in distributed systems. Previously, distributed data synchronization was…

分布式、并行与集群计算 · 计算机科学 2022-09-20 Die Hu , Xuejun Zhu , Min Gong , Shaoshi Yang

Despite their development for over a decade, a key problem blockchains are still facing is scalability in terms of throughput, typically limited to a few transactions per second. A fundamental factor limiting this metric is the propagation…

分布式、并行与集群计算 · 计算机科学 2022-07-12 Evangelos Kolyvas , Spyros Voulgaris

In a globalized and interconnected world, interoperability has become a key concept for advancing tactical scenarios. Federated Coalition Networks (FCN) enable cooperation between entities from multiple nations while allowing each to…

密码学与安全 · 计算机科学 2025-03-14 Jorge Álvaro González , Ana María Saiz García , Victor Monzon Baeza

Blockchain technologies have been rapidly enhanced in recent years. However, its scalability still has limitations in terms of throughput and broadcast delay as the network and the amount of transaction data increase. To improve scalability…

分布式、并行与集群计算 · 计算机科学 2021-01-21 Kaushik Ayinala , Baek-Young Choi , Sejun Song

Blockchain technology transformed the digital sphere by providing a transparent, secure, and decentralized platform for data security across a range of industries, including cryptocurrencies and supply chain management. Blockchain's…

密码学与安全 · 计算机科学 2023-06-22 Bilash Saha , Md Mehedi Hasan , Nafisa Anjum , Sharaban Tahora , Aiasha Siddika , Hossain Shahriar

In wireless local area networks (WLANs), a media access protocol arbitrates access to the channel. In current IEEE 802.11 WLANs, carrier sense multiple access with collision avoidance (CSMA/CA) is used. Carrier sense multiple access with…

网络与互联网体系结构 · 计算机科学 2013-11-05 Jaume Barcelo , Azadeh Faridi , Boris Bellalta , Gabriel Martorell , David Malone

Quantum blockchains provide inherent resilience against quantum adversaries and represent a promising alternative to classical blockchain systems in the quantum era. However, existing quantum blockchain architectures largely depend on…

量子物理 · 物理学 2025-10-14 Chong-Qiang Ye , Heng-Ji Li , Jian Li , Xiao-Yu Chen

Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail…

密码学与安全 · 计算机科学 2026-02-02 Chunyi Zhang , Fengjiao Dou , Xiaoqi Li

Future wireless networks must serve dense mobile networks with high data rates, keeping energy requirements to a possible minimum. The small cell-based network architecture and device-to-device (D2D) communication are already being…

网络与互联网体系结构 · 计算机科学 2022-05-19 Vipindev Adat Vasudevan , Muhammad Tayyab , George P. Koudouridis , Xavier Gelabert , Ilias Politis

We study the problem of efficiently disseminating authenticated blockchain information from blockchain nodes (servers) to Internet of Things (IoT) devices, through a wireless base station (BS). In existing blockchain protocols, upon…

分布式、并行与集群计算 · 计算机科学 2019-12-11 Pietro Danzi , Anders E. Kalør , Čedomir Stefanović , Petar Popovski

IEEE 802.11ax uses the concept of primary and secondary channels, leading to the Dynamic Bandwidth Channel Access (DBCA) mechanism. By applying DBCA, a wireless station can select a wider channel bandwidth, such as 40/80/160 MHz, by…

网络与互联网体系结构 · 计算机科学 2022-01-19 Raja Karmakar , Georges Kaddoum

Interoperability and scalability are currently the bottlenecks preventing mass adoption of blockchain technology. Development of an interoperable and scalable network that promotes a truly decentralised, permissionless and secure blockchain…

分布式、并行与集群计算 · 计算机科学 2021-10-05 Kevin Coutinho , Ponnie Clark , Ferdinand Azis , Norman Lip , Josh Hunt

Wearable fitness devices are widely used to track an individual's health and physical activities to improve the quality of health services. These devices sense a considerable amount of sensitive data processed by a centralized third party.…

密码学与安全 · 计算机科学 2022-03-04 May Alhajri , Carsten Rudolph , Ahmad Salehi Shahraki

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…

软件工程 · 计算机科学 2024-12-03 Xinzhe Shen , Jiale Luo , Hao Wang , Mingyi Liu , Schahram Dustdar , Zhongjie Wang

Recently, blockchain has gained momentum in the academic community thanks to its decentralization, immutability, transparency and security. As an emerging paradigm, Multi-access Edge Computing (MEC) has been widely used to provide…

网络与互联网体系结构 · 计算机科学 2020-01-23 Dinh C Nguyen , Pubudu N Pathirana , Ming Ding , Aruna Seneviratne

Although blockchains have become widely popular for their use in cryptocurrencies, they are now becoming pervasive as more traditional applications adopt blockchain to ensure data security. Despite being a secured network, blockchains have…

分布式、并行与集群计算 · 计算机科学 2024-12-10 Faisal Haque Bappy , Tariqul Islam , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom