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Blockchain also known as a distributed ledger technology stores different transactions/operations in a chain of blocks in a distributed manner without needing a trusted third-party. Blockchain is proven to be immutable which helps for…

密码学与安全 · 计算机科学 2019-04-30 Danda B. Rawat , Vijay Chaudhary , Ronald Doku

Real and effective regulation of contributions to greenhouse gas emissions and pollutants requires unbiased and truthful monitoring. Blockchain has emerged not only as an approach that provides verifiable economical interactions but also as…

密码学与安全 · 计算机科学 2024-12-23 Maria-Victoria Vladucu , Hailun Wu , Jorge Medina , Khondaker M. Salehin , Ziqian Dong , Roberto Rojas-Cessa

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…

密码学与安全 · 计算机科学 2024-07-15 Alonel A. Hugo , Gerard Nathaniel C. Ngo

Traceability systems have become prevalent in supply chains because of the rapid development of RFID and IoT technologies. These systems facilitate product recall and mitigate problems such as counterfeiting, tampering, and theft by…

密码学与安全 · 计算机科学 2026-01-15 Fokke Heikamp , Lei Pan , Robin Doss , Rolando Trujillo-Rasua , Sushmita Ruj

The circular economy has the potential to increase resource efficiency and minimize waste through the 4R framework of reducing, reusing, recycling, and recovering. Blockchain technology is currently considered a valuable aid in the…

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

The concept of smart grid has been introduced as a new vision of the conventional power grid to figure out an efficient way of integrating green and renewable energy technologies. In this way, Internet-connected smart grid, also called…

密码学与安全 · 计算机科学 2020-05-14 Muhammad Baqer Mollah , Jun Zhao , Dusit Niyato , Kwok-Yan Lam , Xin Zhang , Amer M. Y. M. Ghias , Leong Hai Koh , Lei Yang

A decentralized online petition system enables individuals or groups to create, sign, and share petitions without a central authority. Using blockchain technology, these systems ensure the integrity and transparency of the petition process…

密码学与安全 · 计算机科学 2024-07-02 Jagdeep Kaur , Kevin Antony , Nikhil Pujar , Ankit Jha

This study presents a blockchain-based voting system aimed at enhancing election security, transparency, and integrity. Traditional voting methods face growing risks of tampering, making it crucial to explore innovative solutions. Our…

密码学与安全 · 计算机科学 2025-02-25 Suniti Chouhan , Gajanand Sharma

In this paper, we propose a robust health record storage and management system built on blockchain technology to address the challenges faced by traditional healthcare record systems. The primary advantage of employing blockchain in…

密码学与安全 · 计算机科学 2024-08-06 Atchiyya Naidu Chitikela

The complexity of today's supply chain, organised in several tiers and including many companies located in different countries, makes it challenging to assess the history and integrity of procured physical parts, and to make organisations…

密码学与安全 · 计算机科学 2019-09-04 Leonardo Aniello , Basel Halak , Peter Chai , Riddhi Dhall , Mircea Mihalea , Adrian Wilczynski

The primary purpose of this paper is to provide a design of a blockchain-based system, which produces a verifiable record of achievements. Such a system has a wide range of potential benefits for students, employers and higher education…

计算机与社会 · 计算机科学 2020-07-07 Bakri Awaji , Ellis Solaiman , Lindsay Marshall

One of the defining features of a cryptocurrency is that its ledger, containing all transactions that have evertaken place, is globally visible. As one consequenceof this degree of transparency, a long line of recent re-search has…

密码学与安全 · 计算机科学 2019-05-21 Haaroon Yousaf , George Kappos , Sarah Meiklejohn

From production to consumption, ensuring food quality and traceability depends on reliable monitoring of environmental conditions across the supply chain. Ambient sensing devices can collect relevant data such as temperature and humidity,…

密码学与安全 · 计算机科学 2026-04-14 João Miguel Guerreiro Fernandes , Samih Eisa , Miguel L. Pardal

In this chapter we provide an overview of the concept of blockchain technology and its potential to disrupt the world of banking through facilitating global money remittance, smart contracts, automated banking ledgers and digital assets. In…

计算机与社会 · 计算机科学 2015-11-19 Gareth William Peters , Efstathios Panayi

The recent approval of the General Data Protection Regulation (GDPR) imposes new data protection requirements on data controllers and processors with respect to the processing of European Union (EU) residents' data. These requirements…

密码学与安全 · 计算机科学 2017-06-15 Ricardo Neisse , Gary Steri , Igor Nai-Fovino

After being legalized as an agricultural commodity by the 2018 U.S. Farm Bill, the Industrial Hemp production is moved from limited pilot programs to a regulated agriculture production system, and the market keeps increasing since then.…

密码学与安全 · 计算机科学 2021-09-16 Keqi Wang , Wei Xie , Wencen Wu , Jinxiang Pei , Qi Zhou

Access to the system resources. The current access control systems face many problems, such as the presence of the third-party, inefficiency, and lack of privacy. These problems can be addressed by blockchain, the technology that received…

密码学与安全 · 计算机科学 2019-08-23 Sara Rouhani , Ralph Deters

The agricultural sector is still lagging behind from all other sectors in terms of using the newest technologies. For production, the latest machines are being introduced and adopted. However, pre-harvest and post-harvest processing are…

计算机与社会 · 计算机科学 2021-04-02 Tahmid Hasan Pranto , Abdulla All Noman , Atik Mahmud , AKM Bahalul Haque

This study addresses critical challenges in managing the transportation of spent nuclear fuel, including inadequate data transparency, stringent confidentiality requirements, and a lack of trust among collaborating parties, issues prevalent…

密码学与安全 · 计算机科学 2025-06-03 Yuxiang Xu , Wenjuan Yu , Yuqian Wan , Zhongming Zhang