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Related papers: BBS: A Blockchain Big-Data Sharing System

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Blockchain has come a long way: a system that was initially proposed specifically for cryptocurrencies is now being adapted and adopted as a general-purpose transactional system. As blockchain evolves into another data management system,…

Databases · Computer Science 2021-01-18 Pingcheng Ruan , Tien Tuan Anh Dinh , Dumitrel Loghin , Meihui Zhang , Gang Chen , Qian Lin , Beng Chin Ooi

Recently, enterprises have paid attention to permissioned blockchain (BC), where business transactions among inter-authorized organizations (forming a consortium) can automatically be executed on the basis of a distributed consensus…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-01 Tatsuya Sato , Yosuke Himura , Jun Nemoto

We propose in this paper BlockHouse, a decentralized/P2P storage system fully based on private blockchains. Each participant can rent his unused storage in order to host data of other members. This system uses a dual Smart Contract and…

Cryptography and Security · Computer Science 2020-01-22 Doriane Perard , Lucas Gicquel , Jérôme Lacan

Efficiency and security have become critical issues during the development of the long-range (LoRa) system for Internet-of-Things (IoT) applications. The centralized work method in the LoRa system, where all packages are processed and kept…

Cryptography and Security · Computer Science 2021-05-24 Lu Hou , Kan Zheng , Zhiming Liu , Xiaojun Xu

Within cloud-based internet of things (IoT) applications, typically cloud providers employ Service Level Agreements (SLAs) to ensure the quality of their provisioned services. Similar to any other contractual method, an SLA is not immune to…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-30 A. Alzubaidi , K. Mitra , P. Patel , E. Solaiman

Secure and scalable data sharing is essential for collaborative clinical decision making. Conventional clinical data efforts are often siloed, however, which creates barriers to efficient information exchange and impedes effective treatment…

Computers and Society · Computer Science 2018-07-11 Peng Zhang , Jules White , Douglas C. Schmidt , Gunther Lenz , S. Trent Rosenbloom

Permissioned blockchains promise secure decentralized data management in business-to-business use-cases. In contrast to Bitcoin and similar public blockchains which rely on Proof-of-Work for consensus and are deployed on thousands of…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-11 Lucas Kuhring , Zsolt István , Alessandro Sorniotti , Marko Vukolić

Hyperledger Fabric (HLF) is a flexible permissioned blockchain platform designed for business applications beyond the basic digital coin addressed by Bitcoin and other existing networks. A key property of HLF is its extensibility, and in…

Cryptography and Security · Computer Science 2017-09-21 João Sousa , Alysson Bessani , Marko Vukolić

One of the key processes in Agriculture is quality measurement throughout the transportation of grains along its complex supply chain. This procedure is suitable for failures, such as delays to final destinations, poor monitoring, and…

Computers and Society · Computer Science 2018-03-22 Percival Lucena , Alecio P. D. Binotto , Fernanda da Silva Momo , Henry Kim

The state-of-the-art approach to manage blockchains is to process blocks of transactions in a shared-nothing environment. Although blockchains have the potential to provide various services for high-performance computing (HPC) systems, HPC…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-01-22 Abdullah Al-Mamun , Dongfang Zhao

This work aims to provide a more secure access control in Hyperledger Fabric blockchain by combining multiple ID's, attributes, and policies with the components that regulate access control. The access control system currently used by…

Cryptography and Security · Computer Science 2022-07-05 Daan Gordijn , Roland Kromes , Thanassis Giannetsos , Kaitai Liang

Classic automobiles are an important part of the automotive industry and represent the historical and technological achievements of certain eras. However, to be considered masterpieces, they must be maintained in pristine condition or…

Computers and Society · Computer Science 2024-03-14 José Murta , Vasco Amaral , Fernando Brito e Abreu

Cooperative information systems typically involve various entities in a collaborative process within a distributed environment. Blockchain technology offers a mechanism for automating such processes, even when only partial trust exists…

Cryptography and Security · Computer Science 2024-05-08 Edoardo Marangone , Michele Spina , Claudio Di Ciccio , Ingo Weber

Blockchain technology and related frameworks have recently received extensive attention. Blockchain systems use multi-party consensus protocols to reach agreements on transactions. Hyperledger Fabric framework exposes a multi-party…

Cryptography and Security · Computer Science 2022-09-21 Ivan Fedotov , Anton Khritankov , Artem Barger

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…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-08 Yacov Manevich , Artem Barger , Yoav Tock

Today the cloud plays a central role in storing, processing, and distributing data. Despite contributing to the rapid development of IoT applications, the current IoT cloud-centric architecture has led into a myriad of isolated data silos…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-11-15 Hossein Shafagh , Lukas Burkhalter , Anwar Hithnawi , Simon Duquennoy

Distributed ledger networks, chiefly those based on blockchain technologies, currently are heralding a next generation of computer systems that aims to suit modern users' demands. Over the recent years, several technologies for blockchains,…

Cryptography and Security · Computer Science 2022-10-03 Cosmin Ursache , Michael Sammeth , Sînică Alboaie

Blockchain is a decentralized ledger used to securely exchange digital currency, perform deals and transactions efficient manner, each user of the network has access to the least copy of the encrypted ledger so that they can validate a new…

Cryptography and Security · Computer Science 2022-01-03 Bosubabu Sambana

The food supply chain has a number of challenges, including a lack of transparency and disengagement among stakeholders. By providing a transparent and traceable digital ledger of transactions and movements for all supply chain actors,…

Cryptography and Security · Computer Science 2023-05-23 Narayan Subramanian , Atharva Joshi , Daksh Bagga

In many Big Data applications today, information needs to be actively shared between systems managed by different organizations. To enable sharing Big Data at scale, developers would have to create dedicated server programs and glue…

Databases · Computer Science 2021-01-07 Xikui Wang , Michael J. Carey , Vassilis J. Tsotras