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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
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Excellent jujube supply-chain management is of great significance to the development of the Xinjiang jujube industry. However, traditional jujube supply-chain management is faced with the dilemmas of opaque connection of transaction flow and capital flow
Hao Song, Wenfei Ge, Pan Gao, Wei Xu
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A Blockchain-Based E-Commerce Reputation System Built With Verifiable Credentials
Reviews and reputation scores of sellers play an important role in decision-making process of potential buyers in an e-commerce system. A trustworthy and reliable reputation system is a crucial component in the e-commerce ecosystem, as buyers rely on it ...
Omer Dogan, Hacer Karacan
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Performance Evaluation of Hyperledger Fabric
Blockchain is a distributed secure ledger that eliminates the need for centralized authority to store data. The centralized approach has several limitations as it is a Single-Point-of-Failure and a third-party might be needed. Blockchain, on the other hand, provides decentralized, secure and trustless framework that eliminates the need for a third ...
Salma Shalaby +5 more
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SECURING IOT WITH BLOCKCHAIN [PDF]
IoT is becoming ubiquitous in industry, homes, cities, literally in every aspect of our daily lives. Securing IoT-based systems is difficult because of deficiencies in the very nature of IoT devices such as limited battery power, processing, and storage,
K. O. Toka +3 more
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Blockchain, a vital technology in today’s era, changed the way we share, manage and exchange our data in a centralized way to decentralized architecture.
Priyanka Gaba +4 more
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Implementation of a Blood Cold Chain System Using Blockchain Technology
As the population structure changes due to lower fertility rates and rapid aging, the blood supply available for blood transfusion decreases and demand increases.
Seungeun Kim, Joohyung Kim, Dongsoo Kim
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Optimizing Validation Phase of Hyperledger Fabric [PDF]
Blockchain technologies are on the rise, and Hyperledger Fabric is one of the most popular permissioned blockchain platforms. In this paper, we re-architect the validation phase of Fabric based on our analysis from fine-grained breakdown of the validation phase's latency.
Haris Javaid +2 more
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CapBAC in Hyperledger Sawtooth
In the Internet of Things (IoT) context, the number of connected devices can be too large for a centralised server. This paper focuses on how to enforce authorisation in such a distributed and dynamic environment. The key idea is to use a blockchain-based technology both as a way to maintain a common distributed ledger to store and use access control ...
Stefano Bistarelli +2 more
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Impact of network delays on Hyperledger Fabric [PDF]
Blockchain has become one of the most attractive technologies for applications, with a large range of deployments such as production, economy, or banking. Under the hood, Blockchain technology is a type of distributed database that supports untrusted parties.
Nguyen, Thanh Son Lam +3 more
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