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Showing 1 to 16 of 16 for “"Hyperledger fabric"”.
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Cloaking fabric, a confidentiality layer for hyperledger fabric
… layer on top of it. We present Cloaking Fabric, an extension to the popular permissioned blockchain Hyperledger Fabric that utilizes HoneybadgerMPC and HoneybadgerAVSS to provide a confidentiality layer that would allow smart-contracts on the blockchain to interact with private data. We …
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A Comparative Study on Blockchain-based Electronic Health Record Systems: Performance, Privacy, and Security Between Hyperledger Fabric and Ethereum Frameworks
… using two widely used blockchain frameworks, Hyperledger Fabric and Ethereum. (ii)aims to provide a comparative study on both frameworks from the performance, privacy, and security perspectives. Based on two different introduced EHR systems, we identify the strength and weaknesses of both …
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Design and development of a blockchain-based consent management system
… discusses the prototype implementation using Hyperledger Fabric, and presents evaluation results of the proposed system using Hyperledger Caliper.
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FSCBlock: Designing financial smart contracts on permissioned and public blockchains
… a Chaincode for CCS is researched using Hyperledger Fabric (permissioned), maintaining a transparent distributed ledger for the CCS between financial institutions.
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Reputation-based Miner Node Selection in Blockchain-based Vehicular Networks
… reputation-based miner node selection in Hyperledger Fabric and the accident event detection and validation in the blockchain network. We have obtained an accuracy of 77.56\% and a false positive rate of 2.76\% in our reputation model. Similarly, the implementation of reputation-based …
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GeoBlockchain: The Analysis, Design, and Evaluation of a Spatially Enabled Blockchain
… artifact was built using ArcGIS Enterprise and Hyperledger Fabric. The architecture designs were implemented with on-premises and cloud environments and evaluated based on users’ usability and sociotechnical metrics. This research indicates that blockchain technology can be integrated with …
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Harpocrates: Privacy-Preserving and Immutable Audit Log for Sensitive Data Operations
… performance on a real blockchain system (i.e., Hyperledger Fabric) deployed on a commodity platform (i.e., Amazon EC2). Experimental results demonstrated that Harpocrates is highly scalable and achieves practical performance.
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Analysis of Blockchain-based Smart Contracts for Peer-to-Peer Solar Electricity Transactive Markets
… P2P energy trading network based on the Hyperledger Fabric blockchain and explores a comparative analysis of different auction mechanisms that form the basis of smart contracts. Considered auction mechanisms are discriminatory and uniform k-Double Auction with different k values. This …
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Energy Information Exchange Framework through Trusted Telemetry based on Permissioned Distributed Hyperledger
… μέσω smart contract σε κατανεμημένο καθολικό Hyperledger Fabric, επιτυγχάνοντας ακεραιότητα, ανιχνευσιμότητα και μη δυνατότητα αλλοίωσης. Τα αποτελέσματα της αξιολόγησης επιβεβαιώνουν την αξιοπιστία της προτεινόμενης λύσης: οι μετρήσεις υλικού είναι ακριβείς και σταθερές, οι αποκλίσεις του …
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Achieving Construction Material Traceability by Leveraging Blockchain Technology
… implementing blockchain technology, specifically Hyperledger Fabric, as a solution to address these issues. Blockchain, through its immutable, distribute, and secure storage of data, could provide a seamless collaboration platform with no boundaries to achieve traceability and unique material …
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Secure and scalable blockchain mechanisms for IoT applications
… tasks to edge layers. It operates on Hyperledger Fabric (HLF), a permissioned blockchain that enhances throughput and latency through its executeorder- validate architecture. Our second objective is to provide scalability within blockchain-based IoT networks using a sidechain-based …
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Decentralized and Intelligent Systems to Enhance Workplace Safety
… hand, is based on using DLTs, specifically a Hyperledger Fabric blockchain, to certify data from sensors. We have developed a complete certification system empowered by smart contracts, allowing users to create groups, define custom certification policies, choose the best one for the group, …
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Blockchain-enabled Secure and Trusted Personalized Health Record
… propose permissioned blockchain technology - Hyperledger Fabric (HF) - to ease the shortcoming of race condition in NGAC that in return enhances the weak confidentiality protection in HF. Built upon BeNGAC, we further design a blockchain-enabled secure and trusted (BEST) LPHR prototype in …
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Blockchain-based Medical Image Sharing and Critical-result Notification
<p>In teleradiology, medical images are transmitted to offsite radiologist for interpretation and the dictation report is sent back to the original site to aid timely diagnosis and proper patient care. Although teleradiology offers excellent benefits such as time and cost efficiency, after-hour …
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A privacy preserving online learning framework for medical diagnosis applications
Electronic Health records are an important part of a digital healthcare system. Due to their significance, electronic health records have become a major target for hackers, and hospitals/clinics prefer to keep the records at local sites protected by adequate security measures. This introduces …
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Enhancing Performance in Programmable 5G Networks, Blockchains, and Cloud Gaming
L'abstract è presente nell'allegato / the abstract is in the attachment