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Related papers: Decentralized Inverse Transparency With Blockchain

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The unique properties of blockchain enable central requirements of distributed secure logging: Immutability, integrity, and availability. Especially when providing transparency about data usages, a blockchain-based secure log can be…

Cryptography and Security · Computer Science 2021-06-22 Valentin Zieglmeier , Gabriel Loyola Daiqui

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

The blockchain technology enables mutually untrusting participants to reach consensus on the state of a distributed and decentralized ledger (called a blockchain) in a permissionless setting. The consensus protocol of the blockchain imposes…

Cryptography and Security · Computer Science 2019-03-12 Chunpeng Ge , Siwei Sun , Pawel Szalachowski

Inverse transparency is created by making all usages of employee data visible to them. This requires tools that handle the logging and storage of usage information, and making logged data visible to data owners. For research and teaching…

Software Engineering · Computer Science 2023-08-09 Valentin Zieglmeier

Permisionless decentralized ledgers ("blockchains") such as the one underlying the cryptocurrency Bitcoin allow anonymous participants to maintain the ledger, while avoiding control or "censorship" by any single entity. In contrast,…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-06-27 Maurice Herlihy , Mark Moir

Modern distributed applications in healthcare, supply chain, and the Internet of Things handle a large amount of data in a diverse application setting with multiple stakeholders. Such applications leverage advanced artificial intelligence…

Cryptography and Security · Computer Science 2024-11-26 Rodrigo Dutra Garcia , Gowri Ramachandran , Kealan Dunnett , Raja Jurdak , Caetano Ranieri , Bhaskar Krishnamachari , Jo Ueyama

Blockchain has the potential to revolutionize the way we store, use, and process data. Information on most blockchains can be viewed by every node hosting the blockchain, which means that most blockchains cannot handle private data.…

Cryptography and Security · Computer Science 2018-10-30 Sabine Bertram , Co-Pierre Georg

The emerging blockchain technology has enabled various decentralised applications in a trustless environment without relying on a trusted intermediary. It is expected as a promising solution to tackle sophisticated challenges on personal…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-29 Nguyen Truong , Kai Sun , Yike Guo

In the current connected world - Websites, Mobile Apps, IoT Devices collect a large volume of users' personally identifiable activity data. These collected data is used for varied purposes of analytics, marketing, personalization of…

Cryptography and Security · Computer Science 2022-01-06 Subhadip Mitra

This article surveys blockchain-based approaches for several security services. These services include authentication, confidentiality, privacy, and access control list (ACL), data and resource provenance, and integrity assurance. All these…

Cryptography and Security · Computer Science 2018-10-23 Tara Salman , Maede Zolanvari , Aiman Erbad , Raj Jain , Mohammed Samaka

We design and implement the first private and anonymous decentralized crowdsourcing system ZebraLancer, and overcome two fundamental challenges of decentralizing crowdsourcing, i.e., data leakage and identity breach. First, our…

Human-Computer Interaction · Computer Science 2020-05-08 Yuan Lu , Qiang Tang , Guiling Wang

Employees work in increasingly digital environments that enable advanced analytics. Yet, they lack oversight over the systems that process their data. That means that potential analysis errors or hidden biases are hard to uncover. Recent…

Human-Computer Interaction · Computer Science 2023-07-27 Valentin Zieglmeier , Alexander Pretschner

Due to their immutable log of information, blockchains can be considered as a transparency-enhancing technology. The immutability, however, also introduces threats and challenges with respect to privacy laws and illegal content. Introducing…

Cryptography and Security · Computer Science 2021-07-01 Erik Daniel , Florian Tschorsch

Blockchain based systems allow various kinds of financial transactions to be executed in a decentralized manner. However, these systems often rely on a trusted third party (oracle) to get correct information about the real-world events,…

Artificial Intelligence · Computer Science 2020-07-28 Naman Goel , Cyril van Schreven , Aris Filos-Ratsikas , Boi Faltings

Blockchain technology, heralded as a transformative innovation, has far-reaching implications beyond its initial application in cryptocurrencies. This study explores the potential of blockchain in enhancing data integrity and traceability…

Cryptography and Security · Computer Science 2024-08-31 Mohammad Ikbal Hossain , Tanja Steigner , Muhammad Imam Hussain , Afroja Akther

Easy access to data is one of the main avenues to accelerate scientific research. As a key element of scientific innovations, data sharing allows the reproduction of results, helps prevent data fabrication, falsification, and misuse.…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-02-24 Visara Urovi , Vikas Jaiman , Arno Angerer , Michel Dumontier

Blockchain technology has been envisaged to commence an era of decentralised applications and services (DApps) without the need for a trusted intermediary. Such DApps open a marketplace in which services are delivered to end-users by…

Cryptography and Security · Computer Science 2021-01-27 Nguyen Truong , Gyu Myoung Lee , Kai Sun , Florian Guitton , Yike Guo

In general, deep learning models use to make informed decisions immensely. Developed models are mainly based on centralized servers, which face several issues, including transparency, traceability, reliability, security, and privacy. In…

Cryptography and Security · Computer Science 2023-03-28 Asma Jodeiri Akbarfam , Sina Barazandeh , Hoda Maleki , Deepti Gupta

The financial sector's adoption of technology-driven data analysis has enhanced operational efficiency and revenue generation by leveraging personal sensitive data. However, the inherent characteristics of blockchain hinder decentralized…

Cryptography and Security · Computer Science 2023-11-13 Zhuangtong Huang , Jiawei Zhu , Zhongyu Huang , Yixin Xu , Jerome Yen , Ye Wang

The General Data Protection Regulation (GDPR) gives control of personal data back to the owners by appointing higher requirements and obligations on service providers who manage and process personal data. As the verification of…

Cryptography and Security · Computer Science 2019-10-22 Nguyen Binh Truong , Kai Sun , Gyu Myoung Lee , Yike Guo
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