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Integrating blockchain technology into healthcare systems presents a transformative approach to documenting, storing, and accessing electronic health records (EHRs). This research introduces a novel blockchain-based EHR system designed to…

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

Security and privacy are primary concerns in IoT management. Security breaches in IoT resources, such as smart sensors, can leak sensitive data and compromise the privacy of individuals. Effective IoT management requires a comprehensive…

密码学与安全 · 计算机科学 2023-09-06 Mayra Samaniego , Ralph Deters

A blockchain is a decentralised linked data structure that is characterised by its inherent resistance to data modification, but it is deficient in search queries, primarily due to its inferior data formatting. A distributed database is…

数据库 · 计算机科学 2019-01-11 Muhammad Muzammal , Qiang Qu , Bulat Nasrulin , Anders Skovsgaard

Within the last few years, a countless number of blockchain systems have emerged on the market, each one claiming to revolutionize the way of distributed transaction processing in one way or the other. Many blockchain features, such as…

分布式、并行与集群计算 · 计算机科学 2018-11-01 Ankur Sharma , Felix Martin Schuhknecht , Divya Agrawal , Jens Dittrich

This work is about the mutual influence between two technologies: Databases and Blockchain. It addresses two questions: 1. How the database technology has influenced the development of blockchain technology?, and 2. How blockchain…

分布式、并行与集群计算 · 计算机科学 2020-09-10 Mayank Raikwar , Danilo Gligoroski , Goran Velinov

The complexity of cyberattacks in Cyber-Physical Systems (CPSs) calls for a mechanism that can evaluate critical infrastructures' operational behaviour and security without affecting the operation of live systems. In this regard, Digital…

密码学与安全 · 计算机科学 2023-05-15 Sabah Suhail , Saif Ur Rehman Malik , Raja Jurdak , Rasheed Hussain , Raimundas Matulevičius , Davor Svetinovic

Maintaining accurate provenance records is paramount in digital forensics, as they underpin evidence credibility and integrity, addressing essential aspects like accountability and reproducibility. Blockchains have several properties that…

密码学与安全 · 计算机科学 2024-10-28 Asma Jodeiri Akbarfam , Mahdieh Heidaripour , Hoda Maleki , Gokila Dorai , Gagan Agrawal

Supply chain management (SCM) plays a vital role in the global economy, as evidenced by recent COVID-19 supply chain challenges. Traditional SCM faces security and efficiency issues, but they can be addressed by leveraging digital twins…

密码学与安全 · 计算机科学 2022-04-26 Jiongbin Liu , William Yeoh , Youyang Qu , Longxiang Gao

Blockchain technology has emerged as a revolutionary tool in ensuring data integrity and security in digital transactions. However, the current approaches to data verification in blockchain systems, particularly in Ethereum, face challenges…

密码学与安全 · 计算机科学 2024-04-11 Oleksandr Kuznetsov , Alex Rusnak , Anton Yezhov , Dzianis Kanonik , Kateryna Kuznetsova , Stanislav Karashchuk

Performance contracts used for servitized business models enable consideration of overall life-cycle costs rather than just production costs. However, practical implementation of performance contracts has been limited due to challenges with…

密码学与安全 · 计算机科学 2024-05-07 Jens J. Hunhevicz , Mahshid Motie , Daniel M. Hall

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…

Blockchain is a decentralized, distributed ledger technology that ensures transparency, security, and immutability through cryptographic techniques. However, advancements in quantum computing threaten the security of classical cryptographic…

密码学与安全 · 计算机科学 2026-01-14 Nicholas J. C. Papadopoulos

Blockchain systems are challenged by the so-called Trilemma tradeoff: decentralization, scalability and security. Infrastructure and node configuration, choice of the Consensus Protocol and complexity of the application transactions are…

密码学与安全 · 计算机科学 2022-04-27 Georgios Diamantopoulos , Nikos Tziritas , Rami Bahsoon , Georgios Theodoropoulos

The proliferation of AI-generated synthetic media poses a critical threat to the integrity of digital evidence in legal and forensic contexts. Existing deepfake detection systems typically address a single modality and provide no mechanism…

密码学与安全 · 计算机科学 2026-05-29 Naisha Minnah

In this era of explosive growth in technology, the internet of things (IoT) has become the game changer when we consider technologies like smart homes and cities, smart energy, security and surveillance, and healthcare. The numerous…

密码学与安全 · 计算机科学 2021-03-16 Promise Agbedanu , Anca Delia Jurcut

Today there is considerable interest in deploying blockchains and decentralized ledger technology as a means to address the deficiencies of current financial and digital asset infrastructures. The focal point of attention in many projects…

密码学与安全 · 计算机科学 2021-10-26 Denis Avrilionis , Thomas Hardjono

As the public Ethereum network surpasses half a billion transactions and enterprise Blockchain systems becoming highly capable of meeting the demands of global deployments, production Blockchain applications are fast becoming commonplace…

密码学与安全 · 计算机科学 2019-09-24 Evan Brinckman , Andrey Kuehlkamp , Jarek Nabrzyski , Ian J. Taylor

Blockchain has been widely deployed in various sectors, such as finance, education, and public services. Since blockchain runs as an immutable distributed ledger, it has decentralized mechanisms with persistency, anonymity, and…

密码学与安全 · 计算机科学 2021-11-30 Qian Wei , Bingzhe Li , Wanli Chang , Zhiping Jia , Zhaoyan Shen , Zili Shao

Traditional machine learning algorithms use data from databases that are mutable, and therefore the data cannot be fully trusted. Also, the machine learning process is difficult to automate. This paper proposes building a trustable machine…

机器学习 · 计算机科学 2019-03-22 Tao Wang