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There has been considerable recent interest in "cloud storage" wherein a user asks a server to store a large file. One issue is whether the user can verify that the server is actually storing the file, and typically a challenge-response…

Cryptography and Security · Computer Science 2016-03-09 Maura B. Paterson , Douglas R. Stinson , Jalaj Upadhyay

Service Level Agreements (SLA) are employed to ensure the performance of Cloud solutions. When a component fails, the importance of logs increases significantly. All departments may turn to logs to determine the cause of the issue and find…

Software Engineering · Computer Science 2021-11-03 William Pourmajidi , Lei Zhang , John Steinbacher , Tony Erwin , Andriy Miranskyy

Privacy-preserving blockchain systems are essential for protecting transaction data, yet they must also provide auditability that enables auditors to recover participant identities and transaction amounts when warranted. Existing designs…

Cryptography and Security · Computer Science 2025-09-11 Zihan Liu , Xiaohu Wang , Chao Lin , Minghui Xu , Debiao He , Xinyi Huang

The advent of Web 3.0, underpinned by blockchain technologies, promises to transform the internet's landscape by empowering individuals with decentralized control over their data. However, this evolution brings unique security challenges…

Cryptography and Security · Computer Science 2023-07-25 Danyal Namakshenas

Innovative solution for addressing the challenges in the legal records management system through a blockchain-based eVault platform. Our objective is to create a secure, transparent, and accessible ecosystem that caters to the needs of all…

Cryptography and Security · Computer Science 2024-03-11 Jeba N , Anas S , Anuragav S , Abhishek R , Sachin K

Traceability and auditability are key structures that are vital in supply chain management and construction. However, trust is the most important aspect of customers in these systems. Also, we have to rely on third parties to trade in…

Cryptography and Security · Computer Science 2021-03-22 Bora Bugra Sezer , Selcuk Topal , Urfat Nuriyev

Searching for available parking spaces is a major problem for drivers especially in big crowded cities, causing traffic congestion and air pollution, and wasting drivers' time. Smart parking systems are a novel solution to enable drivers to…

Cryptography and Security · Computer Science 2021-01-28 Wesam Al Amiri , Mohamed Baza , Karim Banawan , Mohamed Mahmoud , Waleed Alasmary , Kemal Akkaya

The developed system aims to incorporate a private blockchain technology in the procurement process for the supply office. The procurement process includes the canvassing, purchasing, delivery and inspection of items, inventory, and…

Cryptography and Security · Computer Science 2024-07-15 Alonel A. Hugo , Gerard Nathaniel C. Ngo

Securing the traceability of products in the supply chain is an urgent issue. Recently, supply chain systems that use public blockchain (PBC) have been proposed. In these systems, PBC is used as a common database shared between supply chain…

Cryptography and Security · Computer Science 2020-04-17 Takio Uesugi , Yoshinobu Shijo , Masayuki Murata

A large number of IoT devices are connected via the Internet. However, most of these IoT devices are generally not perfect-by-design even have security weaknesses or vulnerabilities. Thus, it is essential to update these IoT devices…

Cryptography and Security · Computer Science 2019-02-12 Yanqi Zhao , Yiming Liu , Yong Yu , Yannan Li

Data security and privacy is an important but challenging problem in cloud computing. One of the security concerns from cloud users is how to efficiently verify the integrity of their data stored on the cloud server. Third Party Auditing…

Cryptography and Security · Computer Science 2019-12-05 Faen Zhang , Xinyu Fan , Pengcheng Zhou , Wenfeng Zhou

Although proof of work (PoW) consensus dominates the current blockchain-based systems mostly, it has always been criticized for the uneconomic brute-force calculation. As alternatives, energy-conservation and energy-recycling mechanisms…

Cryptography and Security · Computer Science 2022-11-03 Shengling Wang , Lina Shi , Hongwei Shi , Yifang Zhang , Qin Hu , Xiuzhen Cheng

Log management is crucial for ensuring the security, integrity, and compliance of modern information systems. Traditional log management solutions face challenges in achieving tamper-proofing, scalability, and real-time processing in…

Cryptography and Security · Computer Science 2025-09-23 Md Shariful Islam , M. Sohel Rahman

Technology has evolved over the years, making our lives easier. It has impacted the healthcare sector, increasing the average life expectancy of human beings. Still, there are gaps that remain unaddressed. There is a lack of transparency in…

Cryptography and Security · Computer Science 2022-09-27 Debendranath Das

In an era of heightened digital interconnectedness, businesses increasingly rely on third-party vendors to enhance their operational capabilities. However, this growing dependency introduces significant security risks, making it crucial to…

Cryptography and Security · Computer Science 2024-11-21 Deepti Gupta , Lavanya Elluri , Avi Jain , Shafika Showkat Moni , Omer Aslan

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

The emergence of the Internet of Things (IoT) has resulted in a significant increase in research on e-health. As the amount of patient data grows, it has become increasingly challenging to protect patients' privacy. Patient data is commonly…

Cryptography and Security · Computer Science 2023-04-04 Sajad Meisami , Sadaf Meisami , Melina Yousefi , Mohammad Reza Aref

Since its inception as a solution for secure cryptocurrencies sharing in 2008, the blockchain technology has now become one of the core technologies for secure data sharing and storage over trustless and decentralised peer-to-peer systems.…

Cryptography and Security · Computer Science 2020-06-26 Noe Elisa , Longzhi Yang , Honglei Li , Fei Chao , Nitin Naik

The development of quantum information platforms such as quantum computers and quantum simulators that will rival classical Turing computations are typically viewed as a threat to secure data transmissions and therefore to crypto-systems…

Quantum Physics · Physics 2018-03-01 Kirill P. Kalinin , Natalia G. Berloff

Accountability, the ability to provably identify protocol violators, gained prominence as the main economic argument for the security of proof-of-stake (PoS) protocols. Rollups, the most popular scaling solution for blockchains, typically…

Cryptography and Security · Computer Science 2022-11-08 Ertem Nusret Tas , John Adler , Mustafa Al-Bassam , Ismail Khoffi , David Tse , Nima Vaziri