Results 1 to 10 of about 329 (136)
Health-zkIDM: A Healthcare Identity System Based on Fabric Blockchain and Zero-Knowledge Proof [PDF]
Sensors, 2022 The issue of identity authentication for online medical services has been one of the key focuses of the healthcare industry in recent years. Most healthcare organizations use centralized identity management systems (IDMs), which not only limit the ...
Tianyu Bai +4 more
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A chaincode based scheme for fingerprint feature extraction [PDF]
Pattern Recognition Letters, 2006 A feature extraction method using the chaincode representation of fingerprint ridge contours is presented. The representation allows efficient image quality enhancement and detection of fine minutiae feature points. The direction field is estimated from a set of selected chaincodes.
Zhixin Shi, Venu Govindaraju
exaly +2 more sources
Financial management of construction projects: Hyperledger fabric and chaincode solutions [PDF]
Automation in Construction, 2022 This paper proposes a novel interconnected financial management system based on Hyperledger fabric and chaincode solutions to address endemic problems with financial management practices adopted within construction projects. Increasingly complex construction projects have necessitated a corresponding evolvement of financial management tools and systems
Faris Elghaish +2 more
exaly +3 more sources
Hyperledger Fabric Blockchain: Chaincode Performance Analysis
ICC 2020 - 2020 IEEE International Conference on Communications (ICC), 2020 Hyperledger Fabric, created and supported by the Linux Foundation and IBM, is one of the most popular open-source blockchain permissioned platforms that has been already used in many industrial scenarios. One of the main characteristics of this platform is that it provides a smart contract system that relies on general-purpose languages instead of an ...
Luca Foschini, Rebecca Montanari
exaly +2 more sources
Hierarchical Blockchain-Based Multi-Chaincode Access Control for Securing IoT Systems [PDF]
Electronics (Switzerland), 2022 The rapid growth of the Internet of Things (IoT) and its attributes of constrained devices and a distributed environment make it difficult to manage such a huge and growing network of devices on a global scale. Existing traditional access-control systems provide security and management to the IoT system.
Adam Ibrahim Abdi +2 more
exaly +2 more sources
Hyperledger Fabric Access Control System for Internet of Things Layer in Blockchain-Based Applications [PDF]
Entropy, 2021 Blockchain-based applications are gaining traction in various application fields, including supply chain management, health care, and finance. The Internet of Things (IoT) is a critical component of these applications since it allows for data collection ...
Adnan Iftekhar +3 more
doaj +2 more sources
A Study on Intermediate Code Generation for Security Weakness Analysis of Smart Contract Chaincode
Webology, 2022 The hyperledger fabric is a modular blockchain framework used by private companies to develop blockchain-based products, solutions, and applications using plug-and-play components. The smart contracts operating in this framework is created by implementing a chaincode.
exaly +3 more sources
IET Intelligent Transport Systems, 2014 The sound of a moving vehicle gives a clue of the fault. This study investigates fault detection of motorcycles using chaincode of the pseudospectrum. The motorcycle sound signals are analysed for spectral variations and these variations are traced by a chaincode.
Basavaraj S Anami, Veerappa B Pagi
exaly +2 more sources
ChainKode: A CICD methodology for chaincode development in Hyperledger Fabric based on Kubernetes
Proceedings of the 2024 the 12th International Conference on Information Technology (ICIT)Hyperledger Fabric is a widely used blockchain technology that allows organizations to store and exchange data through permissioned networks. A chaincode extends its functionality by enabling participants to interact with the stored data via multiple programming languages.
Santiago Figueroa-Lorenzo +1 more
exaly +2 more sources
Systems, 2023 Communication and information technologies have accelerated the implementation of electronic medical records, but at the same time, have put patient privacy, information security and health data at risk.
Álvaro Díaz, Héctor Kaschel
doaj +1 more source