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276 Results Found

  • Article
  • Open Access
1 Citations
5,208 Views
21 Pages

15 October 2024

When migrating smart contracts from one blockchain platform to another, there are potential security risks. This is because different blockchain platforms have different environments and characteristics for executing smart contracts. The focus of thi...

  • Technical Note
  • Open Access
39 Citations
9,749 Views
14 Pages

An Ethereum Blockchain-Based Prototype for Data Security of Regulated Electricity Market

  • Aasim Ullah,
  • S M Shahnewaz Siddiquee,
  • Md Akbar Hossain and
  • Sayan Kumar Ray

27 November 2020

Data security of present-day power systems, such as the electricity market, has spurred global interest in both industry and academia. The electricity market can either be regulated (state-controlled entrance, policies, and pricing) or deregulated (o...

  • Article
  • Open Access
16 Citations
2,306 Views
31 Pages

Resource Management and Secure Data Exchange for Mobile Sensors Using Ethereum Blockchain

  • Burhan Ul Islam Khan,
  • Khang Wen Goh,
  • Abdul Raouf Khan,
  • Megat F. Zuhairi and
  • Mesith Chaimanee

1 January 2025

A typical Wireless Sensor Network (WSN) defines the usage of static sensors; however, the growing focus on smart cities has led to a rise in the adoption of mobile sensors to meet the varied demands of Internet of Things (IoT) applications. This resu...

  • Article
  • Open Access
3 Citations
2,292 Views
26 Pages

27 December 2023

Ethereum is a rapidly evolving blockchain with new features as well as new vulnerabilities being introduced regularly. Interaction with the network is costly compared to other blockchains or traditional software systems. When starting to develop on E...

  • Systematic Review
  • Open Access
2 Citations
7,358 Views
49 Pages

Smart contracts are self-executing programs that facilitate trustless transactions between multiple parties, most commonly deployed on the Ethereum blockchain. They have become integral to decentralized applications in areas such as voting, digital a...

  • Review
  • Open Access
80 Citations
19,668 Views
21 Pages

Smart contracts are self-executing programs that run on the blockchain and make it possible for peers to enforce agreements without a third-party guarantee. The smart contract on Ethereum is the fundamental element of decentralized finance with billi...

  • Article
  • Open Access
37 Citations
5,329 Views
26 Pages

Enabling Trust and Security in Digital Twin Management: A Blockchain-Based Approach with Ethereum and IPFS

  • Austine Onwubiko,
  • Raman Singh ,
  • Shahid Awan ,
  • Zeeshan Pervez and
  • Naeem Ramzan 

24 July 2023

The emergence of Industry 5.0 has highlighted the significance of information usage, processing, and data analysis when maintaining physical assets. This has enabled the creation of the Digital Twin (DT). Information about an asset is generated and c...

  • Article
  • Open Access
1 Citations
2,415 Views
24 Pages

30 July 2025

Smart contracts and cryptocurrency wallets are foundational components of decentralized applications (dApps) on blockchain platforms such as Ethereum. While these technologies enable secure, transparent, and automated transactions, their integration...

  • Feature Paper
  • Article
  • Open Access
23 Citations
5,311 Views
39 Pages

The issuing and verification of higher education certificates, including all higher education documents, still functions in a costly and inappropriately bureaucratic manner. Blockchain technology provides a more secure and consistent way to revolutio...

  • Article
  • Open Access
9 Citations
3,771 Views
19 Pages

A Proposed Framework for Secure Data Storage in a Big Data Environment Based on Blockchain and Mobile Agent

  • Khalil Ahmad Alsulbi,
  • Maher Ali Khemakhem,
  • Abdullah Ahamd Basuhail,
  • Fathy Eassa Eassa,
  • Kamal Mansur Jambi and
  • Khalid Ali Almarhabi

21 October 2021

The sum of Big Data generated from different sources is increasing significantly with each passing day to extent that it is becoming challenging for traditional storage methods to store this massive amount of data. For this reason, most organizations...

  • Article
  • Open Access
71 Citations
11,777 Views
23 Pages

30 April 2021

Non-fungible tokens (NFTs) are widely used in blockchain to represent unique and non-interchangeable assets. Current NFTs allow representing assets by a unique identifier, as a possession of an owner. The novelty introduced in this paper is the propo...

  • Article
  • Open Access
49 Citations
8,774 Views
29 Pages

Integrating AI and Blockchain for Enhanced Data Security in IoT-Driven Smart Cities

  • Burhan Ul Islam Khan,
  • Khang Wen Goh,
  • Abdul Raouf Khan,
  • Megat F. Zuhairi and
  • Mesith Chaimanee

27 August 2024

Blockchain is recognized for its robust security features, and its integration with Internet of Things (IoT) systems presents scalability and operational challenges. Deploying Artificial Intelligence (AI) within blockchain environments raises concern...

  • Article
  • Open Access
62 Citations
6,258 Views
26 Pages

Blockchain-Based Authentication and Trust Management Mechanism for Smart Cities

  • Muhammad Asif,
  • Zeeshan Aziz,
  • Maaz Bin Ahmad,
  • Adnan Khalid,
  • Hammad Abdul Waris and
  • Asfandyar Gilani

29 March 2022

Security has always been the main concern for the internet of things (IoT)-based systems. Blockchain, with its decentralized and distributed design, prevents the risks of the existing centralized methodologies. Conventional security and privacy archi...

  • Article
  • Open Access
656 Views
20 Pages

EmbryoTrust: A Blockchain-Based Framework for Trustworthy, Secure, and Ethical In Vitro Fertilization Data Management and Fertility Preservation

  • Hessah A. Alsalamah,
  • Shaden F. Al-Qahtani,
  • Ghazlan Al-Arifi,
  • Jana Al-Sadhan,
  • Reema Al-Mutairi,
  • Nahla Bakhamis,
  • Fady I. Sharara and
  • Shada AlSalamah

26 November 2025

Assisted Reproductive Technology (ART), particularly In Vitro Fertilization (IVF), generates highly sensitive medical data classified as Protected Health Information (PHI) under international privacy and data protection laws. Ensuring the secure, tra...

  • Article
  • Open Access
32 Citations
4,859 Views
18 Pages

An Innovative Blockchain-Based Secured Logistics Management Architecture: Utilizing an RSA Asymmetric Encryption Method

  • Nwosu Anthony Ugochukwu,
  • S. B. Goyal,
  • Anand Singh Rajawat,
  • Sardar M. N. Islam,
  • Jiao He and
  • Muhammad Aslam

9 December 2022

Purpose: The recent development in logistics due to the dawn of Logistics 4.0 has made global logistics providers more dependent on intelligent technologies. In this era, these technologies assist in data collection and transmission of logistical dat...

  • Article
  • Open Access
21 Citations
5,792 Views
27 Pages

13 March 2025

The advancement of e-health systems has resulted in substantial enhancements in healthcare delivery via effective data management and accessibility. The use of digital health solutions presents dangers to sensitive health information, including unaut...

  • Article
  • Open Access
37 Citations
6,939 Views
15 Pages

CioSy: A Collaborative Blockchain-Based Insurance System

  • Faiza Loukil,
  • Khouloud Boukadi,
  • Rasheed Hussain and
  • Mourad Abed

The insurance industry is heavily dependent on several processes executed among multiple entities, such as insurer, insured, and third-party services. The increasingly competitive environment is pushing insurance companies to use advanced technologie...

  • Article
  • Open Access
24 Citations
5,198 Views
24 Pages

Proposed Model for Secured Data Storage in Decentralized Cloud by Blockchain Ethereum

  • Nabeel Khan,
  • Hanan Aljoaey,
  • Mujahid Tabassum,
  • Ali Farzamnia,
  • Tripti Sharma and
  • Yew Hoe Tung

10 November 2022

Since cloud computing is an essential component of any modern company (usually accounting for a considerable share of information technology (IT) infrastructure investment), consumers rely on cloud services. Data privacy and security are worries when...

  • Article
  • Open Access
1 Citations
1,533 Views
34 Pages

With the rapid development of information technology, blended learning has become a crucial aspect of modern education. However, the fragmented use of various teaching platforms, such as Xuexitong and Rain Classroom, has led to the dispersion of teac...

  • Review
  • Open Access
27 Citations
7,213 Views
23 Pages

In recent years, emerging trends like smart contracts (SCs) and blockchain have promised to bolster data security. However, SCs deployed on Ethereum are vulnerable to malicious attacks. Adopting machine learning methods is proving to be a satisfactor...

  • Article
  • Open Access
11 Citations
10,096 Views
19 Pages

Securing Blockchain-Based Supply Chain Management: Textual Data Encryption and Access Control

  • Imran Khan,
  • Qazi Ejaz Ali,
  • Hassan Jalil Hadi,
  • Naveed Ahmad,
  • Gauhar Ali,
  • Yue Cao and
  • Mohammed Ali Alshara

A supply chain (SC) encompasses a network of businesses, individuals, events, data, and resources orchestrating the movement of goods or services from suppliers to customers. Leveraging a blockchain-based platform, smart contracts play a pivotal role...

  • Article
  • Open Access
11 Citations
18,055 Views
22 Pages

Secure Voting Website Using Ethereum and Smart Contracts

  • Abhay Singh,
  • Ankush Ganesh,
  • Rutuja Rajendra Patil,
  • Sumit Kumar,
  • Ruchi Rani and
  • Sanjeev Kumar Pippal

Voting is a democratic process that allows individuals to choose their leaders and voice their opinions. However, the current situation with physical voting involves long queues, paper-based ballots, and security challenges. Blockchain-based voting m...

  • Article
  • Open Access
20 Citations
4,378 Views
29 Pages

The Design and Implementation of a Secure Datastore Based on Ethereum Smart Contract

  • Izdehar M. Aldyaflah,
  • Wenbing Zhao,
  • Himanshu Upadhyay and
  • Leonel Lagos

23 April 2023

In this paper, we present a secure datastore based on an Ethereum smart contract. Our research is guided by three research questions. First, we will explore to what extend a smart-contract-based datastore should resemble a traditional database system...

  • Article
  • Open Access
33 Citations
10,196 Views
17 Pages

A Secure and Decentralized Authentication Mechanism Based on Web 3.0 and Ethereum Blockchain Technology

  • Adrian Petcu,
  • Bogdan Pahontu,
  • Madalin Frunzete and
  • Dan Alexandru Stoichescu

9 February 2023

Over the past decade, there has been significant evolution in the security field, specifically in the authentication and authorization part. The standard authentication protocol nowadays is OAuth 2.0-based authentication. This method relies on a thir...

  • Article
  • Open Access
54 Citations
7,513 Views
17 Pages

Edge Computing to Secure IoT Data Ownership and Trade with the Ethereum Blockchain

  • Anum Nawaz,
  • Jorge Peña Queralta,
  • Jixin Guan,
  • Muhammad Awais,
  • Tuan Nguyen Gia,
  • Ali Kashif Bashir,
  • Haibin Kan and
  • Tomi Westerlund

16 July 2020

With an increasing penetration of ubiquitous connectivity, the amount of data describing the actions of end-users has been increasing dramatically, both within the domain of the Internet of Things (IoT) and other smart devices. This has led to more a...

  • Article
  • Open Access
36 Citations
11,236 Views
29 Pages

An Analysis of Smart Contracts Security Threats Alongside Existing Solutions

  • Antonio López Vivar,
  • Alberto Turégano Castedo,
  • Ana Lucila Sandoval Orozco and
  • Luis Javier García Villalba

11 February 2020

Smart contracts have gained a lot of popularity in recent times as they are a very powerful tool for the development of decentralised and automatic applications in many fields without the need for intermediaries or trusted third parties. However, due...

  • Article
  • Open Access
17 Citations
4,678 Views
18 Pages

2 November 2022

Unmanned Aerial Vehicles (UAVs) are widely deployed in military surveillance operations, especially the quadcopter UAVs which are easy to operate and considerably quieter. However, UAVs encounter problems in secure path planning during navigation and...

  • Article
  • Open Access
8 Citations
3,152 Views
27 Pages

A Novel Blockchain-Based Encryption Model to Protect Fog Nodes from Behaviors of Malicious Nodes

  • Mohammed Alshehri,
  • Brajendra Panda,
  • Sultan Almakdi,
  • Abdulwahab Alazeb,
  • Hanan Halawani,
  • Naif Al Mudawi and
  • Riaz U. Khan

16 December 2021

The world has experienced a huge advancement in computing technology. People prefer outsourcing their confidential data for storage and processing in cloud computing because of the auspicious services provided by cloud service providers. As promising...

  • Article
  • Open Access
28 Citations
4,777 Views
28 Pages

Hybrid Workload Enabled and Secure Healthcare Monitoring Sensing Framework in Distributed Fog-Cloud Network

  • Abdullah Lakhan,
  • Qurat-ul-ain Mastoi,
  • Mazhar Ali Dootio,
  • Fehaid Alqahtani,
  • Ibrahim R. Alzahrani,
  • Fatmah Baothman,
  • Syed Yaseen Shah,
  • Syed Aziz Shah,
  • Nadeem Anjum and
  • Muhammad Saddam Khokhar
  • + 1 author

17 August 2021

The Internet of Medical Things (IoMT) workflow applications have been rapidly growing in practice. These internet-based applications can run on the distributed healthcare sensing system, which combines mobile computing, edge computing and cloud compu...

  • Article
  • Open Access
98 Citations
12,027 Views
27 Pages

Blockchain for the Internet of Vehicles: A Decentralized IoT Solution for Vehicles Communication Using Ethereum

  • Rateb Jabbar,
  • Mohamed Kharbeche,
  • Khalifa Al-Khalifa,
  • Moez Krichen and
  • Kamel Barkaoui

15 July 2020

The concept of smart cities has become prominent in modern metropolises due to the emergence of embedded and connected smart devices, systems, and technologies. They have enabled the connection of every “thing” to the Internet. Therefore,...

  • Article
  • Open Access
30 Citations
6,579 Views
21 Pages

Novel Air Pollution Measurement System Based on Ethereum Blockchain

  • Daniele Sofia,
  • Nicoletta Lotrecchiano,
  • Paolo Trucillo,
  • Aristide Giuliano and
  • Luigi Terrone

The need to protect sensitive data is growing, and environmental data are now considered sensitive. The application of last-generation procedures such as blockchains coupled with the implementation of new air quality monitoring technology allows the...

  • Article
  • Open Access
1 Citations
4,015 Views
28 Pages

14 August 2025

Smart contracts have become integral to decentralized applications, yet their programmability introduces critical security risks, exemplified by high-profile exploits such as the DAO and Parity Wallet incidents. Existing vulnerability detection metho...

  • Article
  • Open Access
42 Citations
8,919 Views
18 Pages

A Blockchain-Enabled IoT Logistics System for Efficient Tracking and Management of High-Price Shipments: A Resilient, Scalable and Sustainable Approach to Smart Cities

  • Mohammed Balfaqih,
  • Zain Balfagih,
  • Miltiadis D. Lytras,
  • Khaled Mofawiz Alfawaz,
  • Abdulrahman A. Alshdadi and
  • Eesa Alsolami

20 September 2023

The concept of a smart city is aimed at enhancing the quality of life for urban residents, and logistic services are a crucial component of this effort. Despite this, the logistics industry has encountered issues due to the exponential growth of logi...

  • Article
  • Open Access
42 Citations
3,153 Views
14 Pages

An Enhanced Multi-Layer Blockchain Security Model for Improved Latency and Scalability

  • Basem Mohamed Elomda,
  • Taher Abouzaid Abdelaty Abdelbary,
  • Hesham Ahmed Hassan,
  • Kamal S. Hamza and
  • Qasem Kharma

18 March 2025

The Multi-Layer Blockchain Security Model (MLBSM) proposed in 2024 was designed to safeguard Internet of Things (IoT) networks, as well as similar network architectures, against transaction privacy leakage in public blockchain systems. MLBSM also add...

  • Article
  • Open Access
19 Citations
5,201 Views
13 Pages

14 October 2022

In today’s society, voting is crucial to choosing the representatives of the people. The current voting process is filled with a vast array of disputes and manipulations. The leader must be selected in a precise manner without any malpractices....

  • Article
  • Open Access
29 Citations
3,390 Views
22 Pages

Decentralized Blockchain Network for Resisting Side-Channel Attacks in Mobility-Based IoT

  • Rashidah Funke Olanrewaju,
  • Burhan Ul Islam Khan,
  • Miss Laiha Mat Kiah,
  • Nor Aniza Abdullah and
  • Khang Wen Goh

1 December 2022

The inclusion of mobility-based Internet-of-Things (IoT) devices accelerates the data transmission process, thereby catering to IoT users’ demands; however, securing the data transmission in mobility-based IoT is one complex and challenging con...

  • Article
  • Open Access
98 Citations
6,409 Views
21 Pages

Smart-Contract Aware Ethereum and Client-Fog-Cloud Healthcare System

  • Abdullah Lakhan,
  • Mazin Abed Mohammed,
  • Ahmed N. Rashid,
  • Seifedine Kadry,
  • Thammarat Panityakul,
  • Karrar Hameed Abdulkareem and
  • Orawit Thinnukool

14 June 2021

The Internet of Medical Things (IoMT) is increasingly being used for healthcare purposes. IoMT enables many sensors to collect patient data from various locations and send it to a distributed hospital for further study. IoMT provides patients with a...

  • Article
  • Open Access
1 Citations
6,649 Views
20 Pages

Decentralized blockchains have grown into massive and Internet-scale ecosystems, collectively securing hundreds of billions of dollars in value. The complex interplay of technology and economic incentives within blockchain systems creates a delicate...

  • Article
  • Open Access
4 Citations
4,074 Views
28 Pages

27 June 2020

As the blockchain 2.0 platform, Ethereum’s turing complete programming language and smart contract components make it play an important role in the commercialization of blockchain. With the further development of blockchain applications, the pr...

  • Article
  • Open Access
37 Citations
7,372 Views
23 Pages

17 September 2018

Without the design for inherent security, the Border Gateway Protocol (BGP) is vulnerable to prefix/subprefix hijacks and other attacks. Though many BGP security approaches have been proposed to prevent or detect such attacks, the unsatisfactory cost...

  • Proceeding Paper
  • Open Access
2 Citations
1,819 Views
4 Pages

Irrigation in Precision Agriculture Using Blockchain Ethereum Based on IoT

  • Sri Sai Durga Mani Vasireddy,
  • Supriya Yalagala,
  • Jayasri Sikha,
  • Rani Vullaganti,
  • Ramesh Repudi,
  • Gogineni Rajesh Chandra and
  • D. Anand

The primary objective of this project is to develop a robust and secure system that uses blockchain technology as well as Ethereum and IoT sensors to create a transparent and automated irrigation management solution for farmers. The key components of...

  • Article
  • Open Access
1 Citations
2,839 Views
21 Pages

9 October 2025

Blockchain technologies have profoundly transformed information systems by providing decentralized infrastructures that enhance transparency, security, and traceability. Ethereum, in particular, supports smart contracts and facilitates the developmen...

  • Article
  • Open Access
5 Citations
4,113 Views
21 Pages

6 September 2021

Public Key Infrastructure (PKI) is the fundamental of secure digital communications. It provides a secure means to authenticate identities over the Internet. Symmetric or asymmetric encryption schemes are widely used in identity authentication in any...

  • Article
  • Open Access
41 Citations
7,653 Views
14 Pages

Securing MQTT by Blockchain-Based OTP Authentication

  • Francesco Buccafurri,
  • Vincenzo De Angelis and
  • Roberto Nardone

3 April 2020

The Internet of Things is constantly capturing interest from modern applications, changing our everyday life and empowering industrial applications. Interaction and the collaboration among smart devices offer new challenges to security since they con...

  • Article
  • Open Access
24 Citations
5,095 Views
18 Pages

Decentralized Patient-Centric Report and Medical Image Management System Based on Blockchain Technology and the Inter-Planetary File System

  • Syed Agha Hassnain Mohsan,
  • Abdul Razzaq,
  • Shahbaz Ahmed Khan Ghayyur,
  • Hend Khalid Alkahtani,
  • Nouf Al-Kahtani and
  • Samih M. Mostafa

Several academicians have been actively contributing to establishing a practical solution to storing and distributing medical images and test reports in the research domain of health care in recent years. Current procedures mainly rely on cloud-assis...

  • Article
  • Open Access
74 Citations
12,491 Views
23 Pages

Blockchain technology has attracted more and more attention from academia and industry recently. Ethereum, which uses blockchain technology, is a distributed computing platform and operating system. Smart contracts are small programs deployed to the...

  • Article
  • Open Access
10 Citations
4,125 Views
25 Pages

5 February 2024

The rapid expansion of the Internet of Things (IoT) has introduced significant challenges in data authentication, necessitating a balance between scalability and security. Traditional approaches often rely on third parties, while blockchain-based sol...

  • Article
  • Open Access
5 Citations
3,193 Views
19 Pages

Cryptocurrencies have experienced a surge in popularity, paralleled by an increase in phishing scams exploiting their transactional networks. Therefore, detecting anomalous transactions in the complex structure of cryptocurrency transaction data and...

  • Article
  • Open Access
5 Citations
4,409 Views
20 Pages

12 December 2024

Digital evidence plays a crucial role in cybercrime investigations by linking individuals to criminal activities. Data collection, preservation, and analysis can benefit from emerging technologies like blockchain to provide a secure, distributed ledg...

  • Article
  • Open Access
25 Citations
7,028 Views
19 Pages

Generic Patient-Centered Blockchain-Based EHR Management System

  • Alaa Haddad,
  • Mohamed Hadi Habaebi,
  • Fakher Eldin M. Suliman,
  • Elfatih A. A. Elsheikh,
  • Md Rafiqul Islam and
  • Suriza Ahmad Zabidi

30 January 2023

Accessing healthcare services by several stakeholders for diagnosis and treatment has become quite prevalent owing to the improvement in the industry and high levels of patient mobility. Due to the confidentiality and high sensitivity of electronic h...

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