Results 21 to 30 of about 4,796 (165)

A Fog and Blockchain Software Architecture for a Global Scale Vaccination Strategy

open access: yesIEEE Access, 2022
Nowadays, there are many fragmented records of patient’s health data in different locations like hospitals, clinics, and organizations all around the world.
Humberto Jorge De Moura Costa   +5 more
doaj   +1 more source

The Use of Blockchain for Digital Archives: a comparison between Ethereum and Hyperledger (AIUCD 2019)

open access: yesUmanistica Digitale, 2020
Negli ultimi anni la tecnologia blockchain si sta diffondendo sempre più su larga scala in diversi settori di ricerca, inclusi i Beni Culturali. Esistono diverse tipologie di blockchain, che possono essere classificate sia in base al tipo di utenti che ...
Angelica Lo Duca   +2 more
doaj   +1 more source

Technical Design and Development of a Self-Sovereign Identity Management Platform for Patient-Centric Healthcare Using Blockchain Technology

open access: yesBlockchain in Healthcare Today, 2022
Objective: Clinical data in the United States is highly fragmented, stored in numerous different databases, and are defined by service providers or clinical specialties rather than by individuals or their families.
Daniel Toshio Harrell   +9 more
doaj   +1 more source

UTM-Chain: Blockchain-Based Secure Unmanned Traffic Management for Internet of Drones

open access: yesSensors, 2021
Unmanned aerial systems (UAVs) are dramatically evolving and promoting several civil applications. However, they are still prone to many security issues that threaten public safety.
Azza Allouch   +5 more
doaj   +1 more source

Blockchain data access control scheme based on CP-ABE algorithm

open access: yes网络与信息安全学报, 2020
Different from the public chain, the consortium blockchain Hyperledger Fabric integrates the additional member management service(MSP) mechanism to provide channel-based data isolation protection.
QIU Yunxiang, ZHANG Jiancong   +1 more
doaj   +3 more sources

Blockchain-Based Safety Management System for the Grain Supply Chain

open access: yesIEEE Access, 2020
In recent years, various food-safety issues have aroused public concern regarding safety in the food supply chain. Since grains are closely linked to human life and health, it is necessary to effectively manage information in the grain supply chain.
Xin Zhang   +6 more
doaj   +1 more source

A Fault-Tolerant and Secure Architecture for Key Management in LoRaWAN Based on Permissioned Blockchain

open access: yesIEEE Access, 2022
Low-Power Wide-Area Network (LPWAN) is a new type of wireless technology that offers long range communication for devices in the Internet of Things (IoT) and LoRaWAN is one of the main technologies currently available to enable LPWAN environments. In the
Victor Ribeiro   +3 more
doaj   +1 more source

A Formal Security Analysis of Hyperledger AnonCreds [PDF]

open access: yes
In an anonymous credential system, users collect credentials from issuers, and can use their credentials to generate privacy-preserving identity proofs that can be shown to third-party verifiers.
Ashley Fraser, Steve Schneider
core   +5 more sources

Cross hyperledger fabric transactions

open access: yes, 2020
International audienceHyperledger Fabric is a private block-chain based business logic solution that can safely accomodate transactions between untrusted or partially trusted participants.
Gewu Bu   +7 more
core   +1 more source

Blockchain in Logistics and Supply Chain: A Lean Approach for Designing Real-World Use Cases

open access: yesIEEE Access, 2018
The Blockchain technology can be defined as a distributed ledger database for recording transactions between parties verifiably and permanently. Blockchain emerged as a leading technology layer for financial applications. Nevertheless, in the past years,
Guido Perboli   +2 more
doaj   +1 more source

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