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Статті в журналах з теми "Permissioned Ethereum Network"

Автор: Grafiati

Опубліковано: 7 червня 2025

Оновлено: 2 серпня 2025

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1

Nik Mohd Kamal, Nik Nor Muhammad Saifudin, Safwah Afiqah, Sara Khadeja, et al. "Surveys on the Security of Ethereum and Hyperledger Fabric Blockchain Platforms." International Journal on Perceptive and Cognitive Computing 11, no. 1 (2025): 16–40. https://doi.org/10.31436/ijpcc.v11i1.526.

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Ethereum and Hyperledger are two popular and well-known block chain platforms which represent two kinds of application differentiation. Ethereum is a decentralized platform that also allows DApps to operate on it; many of the conditions for performing functions on Ethereum’s blockchain do not require permission to be granted, but smart contracts are available. On the other hand, the Hyperledger Fabric, an enterprise grade blockchain solution, provides the permission to access, update, and apply scalability, privatization, and mandatory access control mechanisms. Due to the decentralized nature

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2

Reis, Manuel J. C. S. "Blockchain-Enhanced Security for 5G Edge Computing in IoT." Computation 13, no. 4 (2025): 98. https://doi.org/10.3390/computation13040098.

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The rapid expansion of 5G networks and edge computing has amplified security challenges in Internet of Things (IoT) environments, including unauthorized access, data tampering, and DDoS attacks. This paper introduces EdgeChainGuard, a hybrid blockchain-based authentication framework designed to secure 5G-enabled IoT systems through decentralized identity management, smart contract-based access control, and AI-driven anomaly detection. By combining permissioned and permissionless blockchain layers with Layer-2 scaling solutions and adaptive consensus mechanisms, the framework enhances both secu

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3

Gupta, Vikhyat. "Integration of Blockchain Technology in Supply Chain Management for Increased Transparency." International Journal of Research in Modern Engineering & Emerging Technology 10, no. 11 (2022): 17–24. https://doi.org/10.63345/ijrmeet.org.v10.i11.3.

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Supply chains today face critical challenges in ensuring transparency, traceability, and trust among distributed stakeholders. This study investigates the integration of blockchain technology into supply chain management (SCM) to enhance transparency and reduce inefficiencies. We conducted a systematic literature review of blockchain-based SCM solutions up to 2022, developed a conceptual framework for integration, and implemented a prototype on Hyperledger Fabric (v1.4) and the Ethereum (Rinkeby) testnet. Performance metrics—throughput, latency, and transaction cost—were measured under varying

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4

Dr. Ayesha Hakim, Sundus Shafique, Mubashir Mehdi, and Irfan Ahmad Baig. "FARMER TO CONSUMER – AN ONLINE SUPPLY CHAIN PROCESS SYSTEM USING BLOCKCHAIN TECHNOLOGY." Agricultural Sciences Journal 6, no. 1 (2024): 1–11. http://dx.doi.org/10.56520/asj.v6i1.335.

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Globally, the mango industry is one of the largest industrial sectors – also considered the backbone industry of the country’s agriculture sector. This sector mobilizes key industrial activities of many economies, such as agriculture, production, handling, storage, logistics, certification, and packing of a variety of mangoes (e.g., with over 1,500 varieties, of which at least 30 are grown commercially in Pakistan). From local, regional, and national, to international levels, many businesses in this sector are involved in extensive mango supply networks fulfilling the demands of many consumers

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5

Sisodia, Kartik, and Garima Sharma. "Block Chain Based Identify Management for Secure & Decentralised Web Application." Radius: Journal of Science and Technology 2, no. 1 (2025): 251009. https://doi.org/10.5281/zenodo.15366215.

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The research presents a blockchain-based identity management system for protecting decentralized web applications by operating through decentralized processes. Through its permissioned Ethereum network The-system enables automatic operations for identity lifecycle management to register authenticate authorize and revoke users while maintaining privacy of user data (anonymization and encryption of user data). Users receive hashed credentials which the blockchain ledger retains forever as secure storage alongside complete PII data privacy. Smart contracts determine access through comparison betw

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6

Orioha, Ebuka. "Fake Product Detection with Blockchain Technology." Journal of Artificial Intelligence and Capsule Networks 6, no. 3 (2024): 316–31. http://dx.doi.org/10.36548/jaicn.2024.3.005.

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Анотація:

Consumers and brands are at serious risk due to the growth of counterfeit goods, especially in regions like Nigeria. Conventional techniques, such border inspections and market raids by the Standards Organization of Nigeria (SON), are inadequate for detecting counterfeit goods. To ensure traceability, transparency, and immutability in the supply chain, this article suggests utilizing blockchain technology. The decentralized and encrypted characteristics of blockchain, when bolstered by smart contracts, enable efficient product tracking from producers to end users, hence impeding the infiltrati

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7

D.L., Prof Falak. "SAFEGUARDING FORENSIC EVIDENCE USING BLOCKCHAIN TECHNOLOGY." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem31263.

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Digital evidence is important when investigating cybercrime because it can be used to link criminal s to victims. As digital evidence passes through various stages of the chain of custody during a criminal investigation, ensuring its integrity, authenticity and investigation is crucial. A security certificate is required to ensure that the data containing the evidence remains secure during and after processing. The system called Digital Threat Investigator developed in this project is built on Hyperledger Fabric, a permissioned network that requires the permission of all users. Access control,

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8

Gokul, Mr C. "Blockchain-Based Distributed Electronic Voting System Ensuring Privacy and Integrity through Smart Contracts." International Journal for Research in Applied Science and Engineering Technology 13, no. 5 (2025): 5189–92. https://doi.org/10.22214/ijraset.2025.71401.

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Traditional voting systems face significant challenges, including susceptibility to fraud, lack of transparency, and privacy concerns. Centralized electronic voting systems, while improving accessibility, often suffer from vulnerabilities such as tampering, single points of failure, and insufficient auditability. This project proposes a blockchain-based distributed electronic voting system that leverages smart contracts to ensure voter privacy, ballot integrity, and decentralized verification. The system employs cryptographic techniques such as zero-knowledge proofs (ZKPs) to anonymize voter i

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9

Sladić, Goran, Branko Milosavljević, Siniša Nikolić, Dubravka Sladić, and Aleksandra Radulović. "A Blockchain Solution for Securing Real Property Transactions: A Case Study for Serbia." ISPRS International Journal of Geo-Information 10, no. 1 (2021): 35. http://dx.doi.org/10.3390/ijgi10010035.

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Анотація:

The origins of digital money and blockchain technology goes back to the 1980s, but in the last decade, the blockchain technology gained large popularity in the financial sector with the appearance of cryptocurrencies such as Bitcoin. However, recently, many other fields of application have been recognized, particularly with the development of smart contracts. Among them is the possible application of blockchain technology in the domain of land administration, mostly as a tool for transparency in the developing countries and means to fight corruption. However, developed countries also find inte

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10

Shi, Guoyi, Minfeng Qi, Qi Zhong, et al. "MedAccessX: A Blockchain-Enabled Dynamic Access Control Framework for IoMT Networks." Sensors 25, no. 6 (2025): 1857. https://doi.org/10.3390/s25061857.

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Анотація:

The integration of Internet of Things (IoT) devices in healthcare has enhanced medical efficiency but poses challenges such as data privacy risks and internal abuse. Traditional IoT data access frameworks suffer from centralization, limited scalability, and static permission controls. To address these issues, we propose MedAccessX, a blockchain-based access control framework combining attribute-based access control (ABAC) and role-based access control (RBAC). MedAccessX utilizes four types of smart contracts: a user management contract (UMC) for managing user operations, a medical data managem

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11

Mulla, Asiya. "Blockchain based Banking System Using Ethereum." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem30112.

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Анотація:

This paper proposes a novel blockchain-based advanced banking system that leverages the distributed ledger technology of Ethereum to create a secure, transparent, and efficient financial system. The system utilizes a permission blockchain network, where participants are pre-authorized to join and contribute to the network. This ensures the security and integrity of the system, while still allowing for a wider range of participants than a fully public blockchain network. The system works by first having a user initiate a transaction request. The system then verifies the user's identity and ensu

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12

Billah, Mohotasim, Sadia Sharmeen Shatyi, GM Alamin Sadnan, et al. "Performance Optimization in Multi-Machine Blockchain Systems: A Comprehensive Benchmarking Analysis." Journal of Business and Management Studies 6, no. 6 (2024): 357–75. https://doi.org/10.32996/jbms.2024.6.6.18.

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Анотація:

The increase in decentralized applications has put blockchain technology in a very crucial position in the industries and various sectors such as finance, healthcare, and logistics in the United States. The need to optimize performance in blockchain systems and especially those operating on more than one machine grows along with the demand for secure and distributed ledgers. The main objective of the study was to develop a predictive dynamic benchmarking framework that allows optimizing the performance of the multi-machine blockchain systems. Through machine learning algorithms, which include

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13

Sairam, G. V., Sankalp Kumar, Shefali Gupta, and Syed Sharique Haider. "Healthcare Management System Using Blockchain." International Journal for Research in Applied Science and Engineering Technology 11, no. 4 (2023): 3876–80. http://dx.doi.org/10.22214/ijraset.2023.51153.

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Abstract: The current healthcare system has traditionally relied on paper-based medical records or electronic medical records (EMRs) that are stored in centralized databases. This method, however, has shown to be ineffective and unreliable, causing major delays in patient care. Medical documents are frequently sent over email as a temporary fix; however, this approach is unsafe and unreliable. Data breaches or unauthorised access to sensitive patient information pose a serious danger and may have far-reaching repercussions for both patients and healthcare providers. Blockchain technology can p

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14

Fazal, Khadija, and Adeel M. Syed. "Blockchain Authentication Mechanism for Securing Internet of Things." Pakistan Journal of Engineering and Technology 3, no. 2 (2022): 51–58. http://dx.doi.org/10.51846/vol3iss2pp51-58.

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Анотація:

Internet of Things is a recent potential advancement in an IT arena, consists of multiple smart things (devices) which are connected through a physical network. Cisco incorporation predicts that IoT network will connect 50 billion devices by 2020. Most of the industries are adopting IoT technology and because of its fast spreading, immense adoption and deployment current authentication mechanisms have serious disadvantages. For numerous reasons the security issues are the major hurdle in adoption and deployment of IoT on a large scale since it is highly vulnerable to attacks. In this paper we

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15

Ziar, Riaz Ahmad, Syed Irfanullah, Wajid Ullah Khan, and Abdus Salam. "Privacy Preservation for On-Chain Data in the Permission less Blockchain using Symmetric Key Encryption and Smart Contract." April 2021 40, no. 2 (2021): 305–13. http://dx.doi.org/10.22581/muet1982.2102.05.

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Анотація:

Blockchain technology provides several suitable characteristics such as immutability, decentralization and verifiable ledger. It records the transactions in a decentralized way and can be integrated into several fields like eHealth, e-Government and smart cities etc. However, blockchain has several privacy and security issues, one of them is the on-chain data privacy. To deal with this issue we provide a privacy-preserving solution for permission less blockchain to empower the user to take control of transaction data in the open ledger. This work focuses on designing and developing the peer-to

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16

Mani Joseph P, Et al. "Smart and Secure Blockchain Structure to Track Vehicle Record-keeping in the Sultanate of Oman." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 9 (2023): 1999–2006. http://dx.doi.org/10.17762/ijritcc.v11i9.9197.

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In the country of Sultanate of Oman, the Royal Oman Police (ROP) is responsible for carrying out the Inspection, Registration/Renewal, Transfer of ownership, Licensing of a vehicle and the Investigation of traffic accidents. The traditional system used for storing this information does not guarantee whether any information has been tampered with or manipulated. Having a tamper-proof methodology like Blockchain to capture this important information in a distributed ledger register can enable all the participants in the Registration Chain (Supplier of the vehicle, Owner of the vehicle, various G

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17

Lundbæk, Leif-Nissen, Daniel Janes Beutel, Michael Huth, Stephen Jackson, Laurence Kirk, and Robert Steiner. "Proof of Kernel Work: a democratic low-energy consensus for distributed access-control protocols." Royal Society Open Science 5, no. 8 (2018): 180422. http://dx.doi.org/10.1098/rsos.180422.

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We adjust the Proof of Work (PoW) consensus mechanism used in Bitcoin and Ethereum so that we can build on its strength while also addressing, in part, some of its perceived weaknesses. Notably, our work is motivated by the high energy consumption for mining PoW, and we want to restrict the use of PoW to a configurable, expected size of nodes, as a function of the local blockchain state. The approach we develop for this rests on three pillars: (i) Proof of Kernel Work (PoKW), a means of dynamically reducing the set of nodes that can participate in the solving of PoW puzzles such that an advers

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18

Merchant, Parth, Kshitij Patil, Nikhil Panchal, and Prof Sanketi Raut. "A Web Based App for Land Registry on Blockchain." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (2022): 2505–13. http://dx.doi.org/10.22214/ijraset.2022.41831.

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Abstract: Property registration is a subject that hardly ever crosses the thoughts of most people outside of the actual property sector, besides for whilst they’re concerned in an actual property transaction themselves. Even then, it’s typically taken into consideration one of the mundane administrative matters, a rubber-stamping exercise that’s way much less tangibly thrilling than gathering the keys to a brand-new home. However, the critical role of property registration withinside the actual property markets cannot be understated. Property registry in India as well as in many parts of the w

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19

Ozdag, Mesut. "AI-DRIVEN VULNERABILITY ANALYSIS IN SMART CONTRACTS: TRENDS, CHALLENGES AND FUTURE DIRECTIONS." International Journal of Artificial Intelligence & Applications 16, no. 3 (2025): 65–82. https://doi.org/10.5121/ijaia.2025.16305.

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Анотація:

Smart contracts, integral to blockchain ecosystems, enable decentralized applications to execute predefined operations without intermediaries. Their ability to enforce trustless interactions has made them a core component of platforms such as Ethereum. Vulnerabilities such as numerical overflows, reentrancy attacks, and improper access permissions have led to the loss of millions of dollars throughout the blockchain and smart contract sector. Traditional smart contract auditing techniques such as manual code reviews and formal verification face limitations in scalability, automation, and adapt

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Irikefe Friday Eti, Irikefe Friday Eti, Kizito Eluemunor Anazia Kizito Eluemunor Anazia, Vivian Onyinye Okeke Vivian Onyinye Okeke, Febau Cyril Benafa Febau Cyril Benafa, and Orugba Kenneth Orugba Kenneth. "A Secured Blockchain Database Management Model for Medical Based Organization." International Journal of Advances in Engineering and Management 7, no. 5 (2025): 312–23. https://doi.org/10.35629/5252-0705312323.

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Анотація:

The implementation of an Electronic Health Record (EHR) management system has proven to be an effective alternative to the traditional manual method of handling medical records. However, concerns about data privacy and security persist in the healthcare sector, particularly due to the outdated centralized database systems that have failed to meet modern expectations.To address this, a secured blockchain database management model for medical based organization is designed for healthcare organizations, emphasizing a patientcentered approach. This model efficiently handles and maintains individua

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21

Shahanas Rameez, Athulya Raj T, Muhammed Nishan C, Salmanul Faris M H, and Teena James. "A proposed Design and Implementation for Securely Storing Medical Records: A Review." International Journal of Scientific Research in Computer Science, Engineering and Information Technology 11, no. 1 (2025): 3491–97. https://doi.org/10.32628/cseit251112141.

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Data security and integrity have become critical concerns in the healthcare industry, where the management of sensitive medical information demands robust and innovative solutions. With the increasing digitization of medical records and the need for remote access, it is imperative to develop secure systems that address privacy concerns and prevent unauthorized access. This paper introduces a decentralized framework lever- aging blockchain technology, specifically Ethereum, integrated with the Interplanetary File System (IPFS), to provide secure, scalable, and transparent storage solutions for

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22

Shrestha, Sulav, and Sagar Panta. "Blockchain-based Electronic Health Record Management System." September 2023 5, no. 3 (2023): 298–313. http://dx.doi.org/10.36548/jaicn.2023.3.006.

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The Blockchain-based Electronic Health Record (B-EHR) system represents a significant advancement in healthcare data management. Concerns over data confidentiality and security have become increasingly critical in the healthcare sector, given the need for immediate data accessibility. Traditional centralized systems face accessibility issues, necessitating a transformative solution, and blockchain technology emerges as a promising candidate. This research introduces a patient-controlled, blockchain-based system that efficiently manages and safeguards individuals' health-related data. By harnes

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23

Semantha, Farida Habib, Sami Azam, Bharanidharan Shanmugam, and Kheng Cher Yeo. "PbDinEHR: A Novel Privacy by Design Developed Framework Using Distributed Data Storage and Sharing for Secure and Scalable Electronic Health Records Management." Journal of Sensor and Actuator Networks 12, no. 2 (2023): 36. http://dx.doi.org/10.3390/jsan12020036.

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Privacy in Electronic Health Records (EHR) has become a significant concern in today’s rapidly changing world, particularly for personal and sensitive user data. The sheer volume and sensitive nature of patient records require healthcare providers to exercise an intense quantity of caution during EHR implementation. In recent years, various healthcare providers have been hit by ransomware and distributed denial of service attacks, halting many emergency services during COVID-19. Personal data breaches are becoming more common day by day, and privacy concerns are often raised when sharing data

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24

Khan, Imran, Qazi Ejaz Ali, Hassan Jalil Hadi, et al. "Securing Blockchain-Based Supply Chain Management: Textual Data Encryption and Access Control." Technologies 12, no. 7 (2024): 110. http://dx.doi.org/10.3390/technologies12070110.

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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 in aligning business logic and tracking progress within supply chain activities. Employing two distinct ledgers, namely Hyperledger and Ethereum, introduces challenges in handling the escalating volume of data and addressing the technical expertise gap related to supply chain management (SCM) tools in blockchain technology. Within the domain of bl

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25

Rawal, Darshana, Jan Seedorf, and Bhimesh Patil. "An approach that utilizes blockchain to effectively and securely preserve data privacy for location data from IoT in smart cities." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLVIII-4/W13-2025 (July 11, 2025): 201–8. https://doi.org/10.5194/isprs-archives-xlviii-4-w13-2025-201-2025.

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Abstract. Environmental surveillance, emergency response, and smart city planning all require the use of geospatial data, which includes satellite imagery, cartographic records, and real-time GPS coordinates. The high sensitivity and value of location-specific information make it unsafe to store and transmit it through conventional, centralized means, which can result in privacy breaches, unauthorized manipulations, and potential misuse. This paper aims to design and implement a secure, blockchain-based framework that blends AES (Advanced Encryption Standard) and RSA (Rivest–Shamir–Adleman) ke

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26

Babu, Erukala Suresh, Mekala Srinivasa Rao, Gandharba Swain, A. Kousar Nikhath, and Rajesh Kaluri. "Fog‐Sec: Secure end‐to‐end communication in fog‐enabled IoT network using permissioned blockchain system." International Journal of Network Management, August 28, 2023. http://dx.doi.org/10.1002/nem.2248.

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AbstractThe technological integration of the Internet of Things (IoT)‐Cloud paradigm has enabled intelligent linkages of things, data, processes, and people for efficient decision making without human intervention. However, it poses various challenges for IoT networks that cannot handle large amounts of operation technology (OT) data due to physical storage shortages, excessive latency, higher transfer costs, a lack of context awareness, impractical resiliency, and so on. As a result, the fog network emerged as a new computing model for providing computing capacity closer to IoT edge devices.

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27

Yasin Kubilay, Murat, Mehmet Sabir Kiraz, and Haci Ali Mantar. "KORGAN: An Efficient PKI Architecture Based on PBFT Through Dynamic Threshold Signatures." Computer Journal, August 12, 2020. http://dx.doi.org/10.1093/comjnl/bxaa081.

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Анотація:

Abstract During the past decade, several misbehaving certificate authorities (CAs) have issued fraudulent TLS certificates allowing man-in-the-middle (MITM) kinds of attacks that result in serious security incidents. In order to avoid such incidents, Yakubov et al. ((2018) A blockchain-based PKI management framework. NOMS 2018 - 2018 IEEE/IFIP Network Operations and Management Symposium, Taipei, Taiwan, April, pp. 16. IEEE) recently proposed a new public key infrastructure (PKI) architecture where CAs issue, revoke and validate X.509 certificates on a public blockchain. However, in their propo

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Eryk, Schiller, Esati Elfat, and Stiller Burkhard. "IoT-Based Access Management Supported by AI and Blockchains." September 19, 2022. https://doi.org/10.3390/electronics11182971.

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Анотація:

This MDPI open-access journal article is an enhanced version of the paper published previously with CNSM 2021 of the same title. This paper provides an in-depth description of an access management system that utilizes Artificial Intelligence (AI), Blockchains (BC), and Internet-of-Things (IoT) in an integrated use case. This use case centers around access management without direct human intervention. Thus, the user must present their face to a camera to access a resource. The system takes an image of their face and checks whether this user has the right to access a given resource. For tha

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Loukik Naik, Raghav Gupta, Om Aryan, Ankit Upadhyay, and Uma Goradiya. "Decentra-Twitter Using Blockchain." International Journal of Scientific Research in Computer Science, Engineering and Information Technology, April 1, 2023, 354–61. http://dx.doi.org/10.32628/cseit2390236.

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Анотація:

Blockchain nowadays has become a hot topic in technology, finance, regulation, and the wider society in recent years. A plethora of permissions and permissionless blockchain platforms are available in the industry, and some could be used to develop a social networking site. This paper proposes a framework for secure, trustworthy social networking that also creates value for user-generated content by using a blockchain-enhanced framework for social networking. In this work, we design blockchain-based data storage and access a framework that will not totally dependent on centralized Twitter. We

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30

Padmavati Shrivastava. "Blockchain Security Protocols: Enhancing the Resilience of Distributed Networks." Computer Fraud and Security, December 1, 2024, 21–26. https://doi.org/10.52710/cfs.44.

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Анотація:

Blockchain technology has emerged as a transformative solution for securing distributed networks, offering decentralized and immutable data management. However, the resilience of blockchain systems faces challenges from various security threats, including double-spending, Sybil attacks, and vulnerabilities in smart contracts. This paper explores the effectiveness of various blockchain security protocols in enhancing the security and stability of distributed networks. The study provides a comprehensive review of cryptographic techniques, consensus algorithms, and privacy-enhancing technologies,

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K.VENKATAGURUNATHAM, NAIDU, and RAJAVARMAN.V.N Dr. "INTEGRATIVE FORENSICS FRAMEWORK APPROACH FOR INTERNET OF THINGS USING BLOCK CHAIN." 17, no. 09 (2022): 1102–10. https://doi.org/10.5281/zenodo.7099360.

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<em><strong>Abstract:</strong></em> <em>IoT devices have been widely embraced in the recent decade, allowing for the collection of varied data from various contexts. Data storage presents difficulties since the data may be corrupted and the integrity of the data may be damaged without being discovered. Integrity and data provenance are necessary in these situations in order to discover the source of any occurrence and prove it in legal disputes. To overcome these difficulties, blockchain presents significant prospects since, due to its distributed nature, it can safeguard data integrity. Howev

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Ma, Fuchen, Meng Ren, Lerong Ouyang, et al. "Pied-Piper: Revealing the Backdoor Threats in Ethereum ERC Token Contracts." ACM Transactions on Software Engineering and Methodology, August 30, 2022. http://dx.doi.org/10.1145/3560264.

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Анотація:

With the development of decentralized networks, smart contracts, especially those for ERC tokens, are attracting more and more Dapp users to implement their applications. There are some functions in ERC token contracts that only a specific group of accounts could invoke. Among those functions, some even can influence other accounts or the whole system without prior notice or permission. These functions are referred to as contract backdoors. Once exploited by an attacker, they can cause property losses and harm users’ privacy. In this work, we propose Pied-Piper, a hybrid analysis method that i

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Guidi, Barbara, Rahman Mohsin Ur, and Fabrizio Baiardi. "Blockchain-based access control management for Decentralized Online Social Networks." June 12, 2020. https://doi.org/10.1016/j.jpdc.2020.05.011.

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Online Social Networks (OSNs) represent today a big communication channel where users spend a lot of time to share personal data. Unfortunately, the big popularity of OSNs can be compared with their big privacy issues. Indeed, several recent scandals have demonstrated their vulnerability. Decentralized Online Social Networks (DOSNs) have been proposed as an alternative solution to the current centralized OSNs. DOSNs do not have a service provider that acts as central authority and users have more control over their information. Several DOSNs have been proposed during the last years. However, t

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Kasyapa, Meenavolu S. B., and C. Vanmathi. "Blockchain integration in healthcare: a comprehensive investigation of use cases, performance issues, and mitigation strategies." Frontiers in Digital Health 6 (April 26, 2024). http://dx.doi.org/10.3389/fdgth.2024.1359858.

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Healthcare is a critical area where blockchain technology (BT) is being heralded as a potential game-changer for facilitating secure and efficient data sharing. The purpose of this review is to examine BT applications, performance challenges, and solutions in healthcare. To begin, This review paper explores popular blockchain networks for data exchange, encompassing both public and permissioned platforms, such as Ethereum and Hyperledger Fabric. This paper analyzes the potential applications of BT’s decentralized, immutable, and smart contract capabilities in healthcare settings, including sec

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Tkachuk, Roman-Valentyn, Dragos Ilie, Remi Robert, Victor Kebande, and Kurt Tutschku. "On the performance and scalability of consensus mechanisms in privacy-enabled decentralized renewable energy marketplace." Annals of Telecommunications, September 2, 2023. http://dx.doi.org/10.1007/s12243-023-00973-8.

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AbstractRenewable energy sources were introduced as an alternative to fossil fuel sources to make electricity generation cleaner. However, today’s renewable energy markets face a number of limitations, such as inflexible pricing models and inaccurate consumption information. These limitations can be addressed with a decentralized marketplace architecture. Such architecture requires a mechanism to guarantee that all marketplace operations are executed according to predefined rules and regulations. One of the ways to establish such a mechanism is blockchain technology. This work defines a decent

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Routray, Kasturi, Abhiram Manikonda, and Padmalochan Bera. "Secure Blockchain Assisted Attribute-Based Keyword Search for Collaborative E-Healthcare." Distributed Ledger Technologies: Research and Practice, October 9, 2024. http://dx.doi.org/10.1145/3699967.

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In the age of technological advancement, collaborative E-healthcare emerges as a transformative system eliminating traditional location and accessibility barriers in healthcare services. Here, Searchable Encryption (SE) plays a key role in enabling healthcare providers to outsource encrypted medical data and search services to third parties like cloud servers, thereby reducing storage and management expenses. This intermediary approach poses challenges of single-point failure, privacy breaches, and potentially untrustworthy results. State-of-the-art public key-based SE methods use a cloud-assi

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Mason, Myles. "Considering Meme-Based Non-Fungible Tokens’ Racial Implications." M/C Journal 25, no. 2 (2022). http://dx.doi.org/10.5204/mcj.2885.

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Staples of early United States Internet meme culture were sold via digital auctions for cryptocurrency (except one, which was sold for cash) throughout 2021. Through these transactions, Internet memes, or “the linguistic, image, audio, and video texts created, circulated, and transformed by countless cultural participants across vast networks and collectives” (Milner 1), were “minted” as non-fungible tokens—a marker within cryptocurrency economy that denotes the level of originality or irreplaceability of an (often digital) artifact (Wired). Early 2021 saw Internet memes (memes, hereafter) and

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