Design And Applications Of A Secure And Decentralized Distributed Hash Table
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Design And Applications Of A Secure And Decentralized Distributed Hash Table
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Author : Christopher Tur Lesniewski-Laas
language : en
Publisher:
Release Date : 2011
Design And Applications Of A Secure And Decentralized Distributed Hash Table written by Christopher Tur Lesniewski-Laas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Distributed Hash Tables (DHTs) are a powerful building block for highly scalable decentralized systems. They route requests over a structured overlay network to the node responsible for a given key. DHTs are subject to the well-known Sybil attack, in which an adversary creates many false identities in order to increase its influence and deny service to honest participants. Defending against this attack is challenging because (1) in an open network, creating many fake identities is cheap; (2) an attacker can subvert periodic routing table maintenance to increase its influence over time; and (3) specific keys can be targeted by clustering attacks. As a result, without centralized admission control, previously existing DHTs could not provide strong availability guarantees. This dissertation describes Whanau, a novel DHT routing protocol which is both efficient and strongly resistant to the Sybil attack. Whanau solves this long-standing problem by using the social connections between users to build routing tables that enable Sybilresistant one-hop lookups. The number of Sybils in the social network does not affect the protocol's performance, but links between honest users and Sybils do. With a social network of n well-connected honest nodes, Whanau provably tolerates up to O(n/ log n) such "attack edges". This means that an attacker must convince a large fraction of the honest users to make a social connection with the adversary's Sybils before any lookups will fail. Whanau uses techniques from structured DHTs to build routing tables that contain O(Vf log n) entries per node. It introduces the idea of layered identifiers to counter clustering attacks, which have proven particularly challenging for previous DHTs to handle. Using the constructed tables, lookups provably take constant time. Simulation results, using large-scale social network graphs from LiveJournal, Flickr, YouTube, and DBLP, confirm the analytic prediction that Whanau provides high availability in the face of powerful Sybil attacks. Experimental results using PlanetLab demonstrate that an implementation of the Whanau protocol can handle reasonable levels of churn.
Information Security Applications
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Author : Yongdae Kim
language : en
Publisher: Springer
Release Date : 2014-07-08
Information Security Applications written by Yongdae Kim and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-08 with Computers categories.
This book constitutes the thoroughly refereed proceedings of the 14th International Workshop on Information Security Applications, WISA 2013, held on Jeju Island, Korea, in August 2013. The 15 revised full papers and 2 short papers presented were carefully reviewed and selected from 39 submissions. The papers are organized in topical sections such as cryptography, social network security, mobile security, network security, future applications and privacy.
Hci International 2020 Posters
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Author : Constantine Stephanidis
language : en
Publisher: Springer Nature
Release Date : 2020-07-11
Hci International 2020 Posters written by Constantine Stephanidis and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-11 with Computers categories.
The three-volume set CCIS 1224, CCIS 1225, and CCIS 1226 contains the extended abstracts of the posters presented during the 21st International Conference on Human-Computer Interaction, HCII 2020, which took place in Copenhagen, Denmark, in July 2020.* HCII 2020 received a total of 6326 submissions, of which 1439 papers and 238 posters were accepted for publication in the pre-conference proceedings after a careful reviewing process. The 238 papers presented in these three volumes are organized in topical sections as follows: Part I: design and evaluation methods and tools; user characteristics, requirements and preferences; multimodal and natural interaction; recognizing human psychological states; user experience studies; human perception and cognition. -AI in HCI. Part II: virtual, augmented and mixed reality; virtual humans and motion modelling and tracking; learning technology. Part III: universal access, accessibility and design for the elderly; smartphones, social media and human behavior; interacting with cultural heritage; human-vehicle interaction; transport, safety and crisis management; security, privacy and trust; product and service design. *The conference was held virtually due to the COVID-19 pandemic.
Mastering Blockchain
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Author : Imran Bashir
language : en
Publisher: Packt Publishing Ltd
Release Date : 2018-03-30
Mastering Blockchain written by Imran Bashir and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-30 with Computers categories.
Learn about cryptography and cryptocurrencies, so you can build highly secure, decentralized applications and conduct trusted in-app transactions. Key Features Get to grips with the underlying technical principles and implementations of blockchain Build powerful applications using Ethereum to secure transactions and create smart contracts Explore cryptography, mine cryptocurrencies, and solve scalability issues with this comprehensive guide Book Description A blockchain is a distributed ledger that is replicated across multiple nodes and enables immutable, transparent and cryptographically secure record-keeping of transactions. The blockchain technology is the backbone of cryptocurrencies, and it has applications in finance, government, media and almost all other industries. Mastering Blockchain, Second Edition has been thoroughly updated and revised to provide a detailed description of this leading technology and its implementation in the real world. This book begins with the technical foundations of blockchain technology, teaching you the fundamentals of distributed systems, cryptography and how it keeps data secure. You will learn about the mechanisms behind cryptocurrencies and how to develop applications using Ethereum, a decentralized virtual machine. You will also explore different other blockchain solutions and get an introduction to business blockchain frameworks under Hyperledger, a collaborative effort for the advancement of blockchain technologies hosted by the Linux Foundation. You will also be shown how to implement blockchain solutions beyond currencies, Internet of Things with blockchain, blockchain scalability, and the future scope of this fascinating and powerful technology. What you will learn Master the theoretical and technical foundations of the blockchain technology Understand the concept of decentralization, its impact, and its relationship with blockchain technology Master how cryptography is used to secure data - with practical examples Grasp the inner workings of blockchain and the mechanisms behind bitcoin and alternative cryptocurrencies Understand the theoretical foundations of smart contracts Learn how Ethereum blockchain works and how to develop decentralized applications using Solidity and relevant development frameworks Identify and examine applications of the blockchain technology - beyond currencies Investigate alternative blockchain solutions including Hyperledger, Corda, and many more Explore research topics and the future scope of blockchain technology Who this book is for This book will appeal to those who wish to build fast, highly secure, transactional applications. It targets people who are familiar with the concept of blockchain and are comfortable with a programming language.
Edge Computing Architecture Architecture And Applications For Smart Cities
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Author : Yu Chen
language : en
Publisher: BoD – Books on Demand
Release Date : 2024-12-19
Edge Computing Architecture Architecture And Applications For Smart Cities written by Yu Chen and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-19 with Computers categories.
Edge computing technology is the cornerstone of digital advancement as smarter cities and unified industries continue to rise. The book aims to provide a deep dive into state-of-the-art developments and practical uses of edge computing in the current technological scenario. The first part is focused on new architectures and presents a proposal for Autonomous and resilient Edge (AR-Edge) computing, which combines AI, Software-Defined Networks (SDN), and blockchain technologies to generate transparent networks in smart cities. It investigates how Edge Computing can augment AI applications with lower latency and computational costs. It also introduces a green computation paradigm for Internet of Medical Things (IoMT) devices that would optimize outcomes in critical areas such as robotic surgery or autonomous vehicles. The second section of the book looks at a range of application scenarios. Chapter 4 presents in-depth privacy and security features as well as real-time monitoring frameworks for the safety of smart homes using IoT to improve their facilities. Then, it examines the implications of 5G-based edge-cloud capabilities for industrial energy facilities to illustrate how they contribute toward efficiency and innovation in Industry 4.0. It also covers the strategic deployment models and dynamic pricing strategies in edge computing services, enabling system performance and economic benefits. In conclusion, it underscores the need for citizen engagement in smart cities. It opines for inclusive participation by sharing digital literacy and varied ways to build equitable solution-based urban development. The transformative power of edge computing comes from the experts who are making it happen. This book summarizes the state-of-the-art developments and future research challenges for researchers, practitioners, and policymakers on edge computing, along with major trends that need to be considered. Take a ride with us through the age of edge computing and look at all the different ways we could make our lives in cities better.
Applied Cryptography And Network Security
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Author : Jonathan Katz
language : en
Publisher: Springer
Release Date : 2007-06-23
Applied Cryptography And Network Security written by Jonathan Katz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-06-23 with Computers categories.
This book constitutes the refereed proceedings of the 5th International Conference on Applied Cryptography and Network Security, ACNS 2007, held in Zhuhai, China, June 2007. The 31 revised full papers cover signature schemes, computer and network security, cryptanalysis, group-oriented security, cryptographic protocols, anonymous authentication, identity-based cryptography, and security in wireless, ad-hoc, and peer-to-peer networks.
Proceedings Of The 3rd International Conference On Digital Economy And Computer Application Deca 2023
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Author : Charles Chen
language : en
Publisher: Springer Nature
Release Date : 2023-12-01
Proceedings Of The 3rd International Conference On Digital Economy And Computer Application Deca 2023 written by Charles Chen and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-01 with Computers categories.
This is an open access book. The 3rd International Conference on Digital Economy and Computer Applications (DECA 2023) will be held on September 22–24, 2023 in Shanghai, China. Digital economy is the main economic form after agricultural economy and industrial economy. It takes data resources as the key element, modern information network as the main carrier, and the integration and application of information and communication technology and all-factor digital transformation as the important driving force to promote a new economic form that is more unified in fairness and efficiency. The essence of digital economy is informationization. Informatization is a social and economic process caused by the revolution of production tools, such as computer and Internet, from industrial economy to information economy. The theme of the conference mainly focuses on digital economy and computer applications and other related research fields, aiming to provide an international cooperation and exchange platform for experts and scholars in related research fields and enterprise development personnel to share research results, discuss existing problems and challenges, and explore cutting-edge technologies. We sincerely invite experts and scholars from universities and research institutions at home and abroad, entrepreneurs and other relevant personnel to contribute and participate in the conference. The DECA 2023 is accepting papers for proceeding publication. We accept contributions from those who care about exploring and enhancing the research and innovation in Digital Economy and Computer Applications in the world. The directions of the call for papers are as follows: Internet of Things (IoT), Blockchain Technology, Service-Oriented and Cloud, Industry Track, Deliver the Intelligent Enterprise, Mobile business and Autonomous Computing and other papers in line with the direction of digital economy and computer applications. We welcome submissions from scholars, students, and practitioners across many disciplines that contribute to the study and practice of Digital Economy and Computer Applications.
Large Scale Distributed Computing And Applications Models And Trends
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Author : Cristea, Valentin
language : en
Publisher: IGI Global
Release Date : 2010-05-31
Large Scale Distributed Computing And Applications Models And Trends written by Cristea, Valentin and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-31 with Computers categories.
Many applications follow the distributed computing paradigm, in which parts of the application are executed on different network-interconnected computers. The extension of these applications in terms of number of users or size has led to an unprecedented increase in the scale of the infrastructure that supports them. Large-Scale Distributed Computing and Applications: Models and Trends offers a coherent and realistic image of today's research results in large scale distributed systems, explains state-of-the-art technological solutions for the main issues regarding large scale distributed systems, and presents the benefits of using large scale distributed systems and the development process of scientific and commercial distributed applications.
Artificial Intelligence For Military Applications With Blockchain
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Author : Gururaj H L
language : en
Publisher: CRC Press
Release Date : 2025-04-16
Artificial Intelligence For Military Applications With Blockchain written by Gururaj H L and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-04-16 with Technology & Engineering categories.
In an era where advanced technology plays a critical role in maintaining national security, Artificial Intelligence for Military Applications with Blockchain investigates how combining AI and blockchain could transform military operations. This comprehensive guide offers creative answers for contemporary military problems while addressing the most important defense-related concerns, from data security to decision-making. It explores constrained networking middleware for defense applications, guaranteeing smooth communication under critical circumstances. This book starts with an in-depth examination of blockchain’s potential to improve document management across defense departments, then moves to a detailed discussion of security and privacy in military applications. The integration of AI and blockchain in military context is then the main topic of discussion, along with its advantages, disadvantages, and real-time applications. The potential of blockchain and AI to protect data and streamline operations is also explored, providing readers with insights into the military and healthcare sectors. This book offers a thorough examination of the military’s current and future use of AI, as well as a breakdown of cybersecurity issues and how blockchain technology is being used to improve military cybersecurity. A dedicated chapter examines the ways in which blockchain technology is being used by computational intelligence to transform the defense environment. Key features: Examines privacy and security issues in military blockchain applications Investigates military operations using constrained networking middleware Discusses integrating AI and blockchain technology for military applications Includes case studies of blockchain and AI uses in the military and healthcare Thoroughly examines cybersecurity issues and how blockchain technology can help This book is essential for military personnel, defense academics, and cybersecurity specialists interested in the use of AI and blockchain for defense. It presents real-world examples and case studies together with an outlook on how these technologies will influence future military operations.
Handbook Of Blockchain Digital Finance And Inclusion Volume 2
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Author : David Lee Kuo Chuen
language : en
Publisher: Academic Press
Release Date : 2017-08-16
Handbook Of Blockchain Digital Finance And Inclusion Volume 2 written by David Lee Kuo Chuen and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-16 with Business & Economics categories.
Handbook of Blockchain, Digital Finance, and Inclusion, Volume 2: ChinaTech, Mobile Security, and Distributed Ledger emphasizes technological developments that introduce the future of finance. Descriptions of recent innovations lay the foundations for explorations of feasible solutions for banks and startups to grow. The combination of studies on blockchain technologies and applications, regional financial inclusion movements, advances in Chinese finance, and security issues delivers a grand perspective on both changing industries and lifestyles. Written for students and practitioners, it helps lead the way to future possibilities. - Explains the practical consequences of both technologies and economics to readers who want to learn about subjects related to their specialties - Encompasses alternative finance, financial inclusion, impact investing, decentralized consensus ledger and applied cryptography - Provides the only advanced methodical summary of these subjects available today