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Wearable fitness devices are widely used to track an individual's health and physical activities to improve the quality of health services. These devices sense a considerable amount of sensitive data processed by a centralized third party.…

Cryptography and Security · Computer Science 2022-03-04 May Alhajri , Carsten Rudolph , Ahmad Salehi Shahraki

Blockchain is a core technology to manage the value of cryptocurrencies, or to record trails of important business trades. The Smart Contract on blockchain is expected to improve security on blockchain system with automated operation, but…

Cryptography and Security · Computer Science 2020-01-07 Shingo Fujimoto , Yoshiki Higashikado , Takuma Takeuchi

Blockchain technology enables the execution of collaborative business processes involving mutually untrusted parties. Existing platforms allow such processes to be modeled using high-level notations and compiled into smart contracts that…

Software Engineering · Computer Science 2019-06-05 Orlenys López-Pintado , Marlon Dumas , Luciano García-Bañuelos , Ingo Weber

This paper outlines why and how blockchain can digitally support and evolve the governance of collaborative project deliveries, such as integrated project deliveries (IPDs), to provide the foundation for novel and disruptive forms of…

Cryptography and Security · Computer Science 2024-05-14 Jens J. Hunhevicz , Pierre-Antoine Brasey , Marcella M. M. Bonanomi , Daniel M. Hall , Martin Fischer

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

Blockchain-driven technologies are considered disruptive because of the availability of dis-intermediated, censorship-resistant and tamper-proof digital platforms of distributed trust. Among these technologies, smart contract platforms have…

Computers and Society · Computer Science 2018-03-14 Alexandra Covaci , Simone Madeo , Patrick Motylinski , Stéphane Vincent

Blockchain is a continuously developing technology that has made digital transactions and related computing operations more transparent and secure through globally distributed and decentralized management of states, as well as the strong…

Cryptography and Security · Computer Science 2021-03-29 Neo C. K. Yiu

With technological advances and the establishment of e-commerce models, business challenges have shifted to online platforms. The promise of embedding self-executing and autonomous programs into blockchain technologies has attracted…

Computers and Society · Computer Science 2022-08-03 Kamal Kishor Singh

In this paper, we develop BlockMarkchain, as a secure data market place, where individual data sellers can exchange certified data with buyers, in a secure environment, without any mutual trust among the parties, and without trusting on a…

Cryptography and Security · Computer Science 2020-03-26 Hamidreza Ehteram , Mohammad Taha Toghani , Mohammad Ali Maddah-Ali

Many of the problems that arise in the context of blockchains and decentralized finance can be seen as variations on classical problems of distributed computing. The smart contract model proposed here is intended to capture both the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-11 Yackolley Amoussou-Guenou , Maurice Herlihy , Sucharita Jayanti , Maria Potop-Butucaru , Sergio Rajsbaum

The cybersecurity of modern systems has dramatically increased attention from both industrial and academia perspectives. In the recent era, the popularity of the blockchain-based system has traditionally been emergent among various…

Cryptography and Security · Computer Science 2022-09-13 Abdul Khalique Shaikh A. K. Al-Alawi , L. R. , Al-Busaidi , R. , Shaikh

The Blockchain and the programs running on it, called Smart Contracts, are more and more applied in all fields requiring trust and strong certifications. In this work we compare public and permissioned blockchains for industrial…

Cryptography and Security · Computer Science 2020-05-07 Lodovica Marchesi , Michele Marchesi , Roberto Tonelli

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

In recent years, as blockchain adoption has been expanding across a wide range of domains, e.g., digital asset, supply chain finance, etc., the confidentiality of smart contracts is now a fundamental demand for practical applications.…

Cryptography and Security · Computer Science 2021-06-28 Qian Ren , Han Liu , Yue Li , Hong Lei

Financial fraud cases are on the rise even with the current technological advancements. Due to the lack of inter-organization synergy and because of privacy concerns, authentic financial transaction data is rarely available. On the other…

The concept of blockchain has emerged as an effective solution for data-sensitive domains, such as healthcare, financial services, etc., due to its various attributes like immutability, non-repudiation, and availability. Thus,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-02-16 Shashank Joshi , Arhan Choudhury , Ojas Saraswat

In this paper, we propose a robust health record storage and management system built on blockchain technology to address the challenges faced by traditional healthcare record systems. The primary advantage of employing blockchain in…

Cryptography and Security · Computer Science 2024-08-06 Atchiyya Naidu Chitikela

Blockchain systems have received much attention and promise to revolutionize many services. Yet, despite their popularity, current blockchain systems exist in isolation, that is, they cannot share information. While interoperability is…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-24 Enrique Fynn , Alysson Bessani , Fernando Pedone

Smart manufacturing systems involve a large number of interconnected devices resulting in massive data generation. Cloud computing technology has recently gained increasing attention in smart manufacturing systems for facilitating…

Cryptography and Security · Computer Science 2023-04-27 Aditya Pribadi Kalapaaking , Ibrahim Khalil , Mohammad Saidur Rahman , Abdelaziz Bouras

Multiple-operators (multi-OPs) spectrum sharing mechanism can effectively improve the spectrum utilization in fifth-generation (5G) wireless communication networks. The secondary users are introduced to opportunistically access the licensed…

Networking and Internet Architecture · Computer Science 2020-05-07 Shuang Zheng , Tao Han , Yuna Jiang , Xiaohu Ge