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Blockchain is a paradigm derived from distributed systems, protocols, and security concepts. However, can blockchain applications provide services in industrial environments, especially concerning performance issues? In blockchains, long…

分布式、并行与集群计算 · 计算机科学 2025-02-14 Carlos Melo , Glauber Gonçalves , Francisco A. Silva , André Soares

We present a blockchain based system that allows data owners, cloud vendors, and AI developers to collaboratively train machine learning models in a trustless AI marketplace. Data is a highly valued digital asset and central to deriving…

分布式、并行与集群计算 · 计算机科学 2020-02-04 Nishant Baranwal Somy , Kalapriya Kannan , Vijay Arya , Sandeep Hans , Abhishek Singh , Pranay Lohia , Sameep Mehta

In this paper, we demonstrate how Hyperledger Fabric, one of the most popular permissioned blockchains, can benefit from network-attached acceleration. The scalability and peak performance of Fabric is primarily limited by the bottlenecks…

分布式、并行与集群计算 · 计算机科学 2021-09-22 Haris Javaid , Ji Yang , Nathania Santoso , Mohit Upadhyay , Sundararajarao Mohan , Chengchen Hu , Gordon Brebner

Interoperation for data sharing between permissioned blockchain networks relies on networks' abilities to independently authenticate requests and validate proofs accompanying the data; these typically contain digital signatures. This…

Today, permissioned blockchains are being adopted by large organizations for business critical operations. Consequently, they are subject to attacks by malicious actors. Researchers have discovered and enumerated a number of attacks that…

密码学与安全 · 计算机科学 2021-03-29 Benedikt Putz , Fabian Böhm , Günther Pernul

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…

分布式、并行与集群计算 · 计算机科学 2019-07-22 Haris Javaid , Chengchen Hu , Gordon Brebner

Blockchain technology has emerged, and many previous studies have assessed its performance issues. However, less attention has been paid to the dependability attributes, which have been a critical topic in service provisioning, considering…

分布式、并行与集群计算 · 计算机科学 2025-03-11 J Dantas , P Silva , L Fiondella , C Melo , P Maciel

The paper suggests a new approach based on blockchain technologies and smart contracts to creation of a distributed system for managing provenance metadata, as well as access rights to data in distributed storages, which is fault-tolerant,…

分布式、并行与集群计算 · 计算机科学 2018-12-03 Andrey Demichev , Alexander Kryukov , Nikolai Prikhodko

Storing big data directly on a blockchain poses a substantial burden due to the need to maintain a consistent ledger across all nodes. Numerous studies in decentralized storage systems have been conducted to tackle this particular…

密码学与安全 · 计算机科学 2024-10-01 Narges Dadkhah , Xuyang Ma , Katinka Wolter , Gerhard Wunder

With the increased adaption of blockchain technologies, permissioned blockchains such as Hyperledger Fabric provide a robust ecosystem for developing production-grade decentralized applications. However, the additional latency between…

分布式、并行与集群计算 · 计算机科学 2023-10-25 Pezhman Nasirifard , Ruben Mayer , Hans-Arno Jacobsen

Supply chain finance(SCF) is committed to providing credit for small and medium-sized enterprises(SMEs) with low credit lines and small financing scales. The resulting financial credit data and related business transaction data are highly…

密码学与安全 · 计算机科学 2021-11-29 Dun Li , Dezhi Han , Noel Crespi , Roberto Minerva , Zhijie Sun

Many studies have been done to improve the performance of centrally controlled business processes and enhance the integration between different parties of these collaborations. However, the most serious issues of collaborative business…

密码学与安全 · 计算机科学 2019-04-12 Vahid Pourheidari , Sara Rouhani , Ralph deters

Smart contracts show a high potential for ensuring that Supply Chain Management strategies make a qualitative leap toward higher levels of optimality, not only in terms of efficiency and profitability but also in the aggregation of skills…

分布式、并行与集群计算 · 计算机科学 2022-05-16 Paolo Bottoni , Claudio Di Ciccio , Remo Pareschi , Nicola Gessa , Gilda Massa

The Internet of Things (IoT) bears unprecedented security and scalability challenges due to the magnitude of data produced and exchanged by IoT devices and platforms. Some of those challenges are currently being addressed by coupling IoT…

分布式、并行与集群计算 · 计算机科学 2019-08-27 Hien Thi Thu Truong , Miguel Almeida , Ghassan Karame , Claudio Soriente

An authorisation has been recognised as an important security measure for preventing unauthorised access to critical resources, such as devices and data, within the Internet of Things (IoT) networks. Existing authorisation methods for the…

密码学与安全 · 计算机科学 2022-08-16 Khizar Hameed , Ali Raza , Saurabh Garg , Muhammad Bilal Amin

This research proposes a blockchain-based data visualization framework integrated with VR to get manufacturing insights. This framework is implemented at the testbed of the Future Factories Lab at the University of South Carolina. The…

密码学与安全 · 计算机科学 2024-06-26 Nitol Saha , Philip Samaha , Ramy Harik

Hyperledger Fabric is a popular open-source project for deploying permissioned blockchains. Many performance characteristics of the latest Hyperledger Fabric, such as performance characteristics of each phase, the impacts of ordering…

分布式、并行与集群计算 · 计算机科学 2021-03-15 Canhui Wang , Xiaowen Chu

Blockchain's immutability can resist unauthorized changes of ledgers, thus it can be used as a trust enhancement mechanism to a shared system. Indeed, blockchain has been considered to solve the security and privacy issues of the Internet…

密码学与安全 · 计算机科学 2022-06-17 Yang Liu , Terry Guo , Zhe Chen , Xueying Jiang

Hyperledger Fabric (HLF) is a modular and extensible permissioned blockchain platform released to open-source and hosted by the Linux Foundation. The platform's design exhibits principles required by enterprise grade business applications…

分布式、并行与集群计算 · 计算机科学 2018-05-08 Yacov Manevich , Artem Barger , Yoav Tock

Permissioned blockchain such as Hyperledger fabric enables a secure supply chain model in Industrial Internet of Things (IIoT) through multichannel and private data collection mechanisms. Sharing of Industrial data including private data…

密码学与安全 · 计算机科学 2021-03-31 Muhammad Islam , Mubashir Husain Rehmani , Jinjun Chen