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Precision, validity, reliability, timeliness, availability, and granularity are the desired characteristics for data and information systems. However due to the desired trait of data mutability, information systems have inherently lacked…

密码学与安全 · 计算机科学 2021-10-20 Jared Newell , Quazi Mamun , Sabih ur Rehman , Md Zahidul Islam

With the increase of web users and applications with real time requests, the ability to identify, track and trace elements of a product as it moves in the supply chain is deemed necessary, and for many industries is even mandated by…

密码学与安全 · 计算机科学 2018-10-23 Thomas Sermpinis , Christos Sermpinis

In the Internet of Things (IoT) domain, devices need a platform to transact seamlessly without a trusted intermediary. Although Distributed Ledger Technologies (DLTs) could provide such a platform, blockchains, such as Bitcoin, were not…

网络与互联网体系结构 · 计算机科学 2021-07-15 Andrew Cullen , Pietro Ferraro , William Sanders , Luigi Vigneri , Robert Shorten

The main aim of the paper is to create a trust and transparency in the food supply chain system, ensuring food safety for everyone with the help of Blockchain Technology. Food supply chain is the process of tracing a crop from the farmer or…

密码学与安全 · 计算机科学 2024-01-19 Sudarssan N

Blockchain is a distributed database that keeps a chronologically-growing list (chain) of records (blocks) secure from tampering and revision. While computerisation has changed the nature of a ledger from clay tables in the old days to…

综合金融 · 定量金融 2016-12-20 Jan Hendrik Witte

A key component of blockchain technology is the ledger, viz., a database that, unlike standard databases, keeps in memory the complete history of past transactions as in a notarial archive for the benefit of any future test. In…

密码学与安全 · 计算机科学 2021-10-01 Paolo Bottoni , Anna Labella , Remo Pareschi

Blockchain systems rely on decentralized ledgers and strong security guarantees. A key requirement is non-repudiation, which prevents denial of transaction authorship and supports integrity of recorded data. This work surveys digital…

密码学与安全 · 计算机科学 2025-10-28 Kaveri Banerjee , Sajal Saha

The rise of crypto-currencies has spawned great interest in their underlying technology, namely, Blockchain. The central component in a Blockchain is a shared distributed ledger. A ledger comprises series of blocks, which in turns contains…

分布式、并行与集群计算 · 计算机科学 2018-05-04 Qi Zhang , Petr Novotny , Salman Baset , Donna Dillenberger , Artem Barger , Yacov Manevich

This paper considers the use of novel technologies for mitigating attacks that aim at compromising intrusion detection systems (IDSs). Solutions based on collaborative intrusion detection networks (CIDNs) could increase the resilience…

密码学与安全 · 计算机科学 2021-09-09 Nicholas Kolokotronis , Sotirios Brotsis , Georgios Germanos , Costas Vassilakis , Stavros Shiaeles

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

Blockchain is a type of decentralized distributed database. Unlike traditional relational database management systems, it does not require management or maintenance by a third party. All data management and update processes are open and…

密码学与安全 · 计算机科学 2025-05-14 Jiaqi Huang , Yuanzheng Niu , Xiaoqi Li , Zongwei Li

As blockchain technology gains traction for enhancing data security and operational efficiency, traditional centralized authentication systems remain a significant bottleneck. This paper addresses the challenge of integrating decentralized…

密码学与安全 · 计算机科学 2024-12-03 Faisal Haque Bappy , Joon S. Park , Kamrul Hasan , Tariqul Islam

The food supply chain has a number of challenges, including a lack of transparency and disengagement among stakeholders. By providing a transparent and traceable digital ledger of transactions and movements for all supply chain actors,…

密码学与安全 · 计算机科学 2023-05-23 Narayan Subramanian , Atharva Joshi , Daksh Bagga

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…

密码学与安全 · 计算机科学 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

This paper introduces a new method of Blockchain formation for reliable storage of personal data of ID-card holders. In particular, the model of the information system is presented, the new structure of smart ID-cards and information on…

密码学与安全 · 计算机科学 2020-06-30 Sergii Kushch , Yurii Baryshev , Yurii Baryshev

Bitcoin's global success has led to the rise of blockchain, but many systems labeled as "blockchain" deviate from its core principles, adding complexity to the ecosystem. This survey addresses the need for a comprehensive review and…

密码学与安全 · 计算机科学 2024-09-30 Badr Bellaj , Aafaf Ouaddah , Noel Crespi , Abdelatif Mezrioui , Emmanuel Bertin

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

Blockchains have recently been under the spotlight due to the boom of cryptocurrencies and decentralized applications. There is an increasing demand for querying the data stored in a blockchain database. To ensure query integrity, the user…

数据库 · 计算机科学 2018-12-11 Cheng Xu , Ce Zhang , Jianliang Xu

Distributed Ledger Technology (DLT) has been introduced using the most common consensus algorithm either for an electronic cash system or a decentralized programmable assets platform which provides general services. Most established…

密码学与安全 · 计算机科学 2023-04-19 Ahmad J. Alkhodair , Saraju P. Mohanty , Elias Kougianos

In response to the growing demand for enhanced performance and power efficiency, the semiconductor industry has witnessed a paradigm shift toward heterogeneous integration, giving rise to 2.5D/3D chips. These chips incorporate diverse…

密码学与安全 · 计算机科学 2024-12-13 Sulyab Thottungal Valapu , Aritri Saha , Bhaskar Krishnamachari , Vivek Menon , Ujjwal Guin
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