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We have entered an era where the importance of decentralized solutions has become more obvious. Blockchain technology and its derivatives are distributed ledger technologies that keep the registry of data between peers of a network. This…

密码学与安全 · 计算机科学 2020-12-21 E. Karaarslan , E. Konacaklı

Differential privacy is an information theoretic constraint on algorithms and code. It provides quantification of privacy leakage and formal privacy guarantees that are currently considered the gold standard in privacy protections. In this…

密码学与安全 · 计算机科学 2020-05-14 Daniel Kifer , Solomon Messing , Aaron Roth , Abhradeep Thakurta , Danfeng Zhang

For preserving privacy, blockchains can be equipped with dedicated mechanisms to anonymize participants. However, these mechanism often take only the abstraction layer of blockchains into account whereas observations of the underlying…

网络与互联网体系结构 · 计算机科学 2018-07-31 David Mödinger , Henning Kopp , Frank Kargl , Franz J. Hauck

Recommender systems have been widely used in different application domains including energy-preservation, e-commerce, healthcare, social media, etc. Such applications require the analysis and mining of massive amounts of various types of…

In this literature review, we first briefly provide an introduction on the privacy aspect of blockchain systems and why it is a difficult quality to achieve, especially using traditional methods. Next, we go over a wide range of different…

密码学与安全 · 计算机科学 2018-09-28 Jad Wahab

The modern society, economy and industry have been changed remarkably by many cutting-edge technologies over the last years, and many more are in development and early implementation that will in turn led even wider spread of adoptions and…

密码学与安全 · 计算机科学 2020-09-02 Phan The Duy , Do Thi Thu Hien , Van-Hau Pham

With the advent of globalization and the evergrowing rate of technology, the volume of production as well as ease of procuring counterfeit goods has become unprecedented. Be it food, drug or luxury items, all kinds of industrial…

密码学与安全 · 计算机科学 2022-06-20 Nafisa Anjum , Pramit Dutta

A blockchain is a decentralised linked data structure that is characterised by its inherent resistance to data modification, but it is deficient in search queries, primarily due to its inferior data formatting. A distributed database is…

数据库 · 计算机科学 2019-01-11 Muhammad Muzammal , Qiang Qu , Bulat Nasrulin , Anders Skovsgaard

Blockchain offers an innovative approach to storing information, executing transactions, performing functions, and establishing trust in an open environment. Many consider blockchain as a technology breakthrough for cryptography and…

密码学与安全 · 计算机科学 2019-08-20 Rui Zhang , Rui Xue , Ling Liu

Blockchain technology is an interlinked systematic chain of blocks that contains transaction history and other user data. It works under the principle of decentralized distributed digital ledger. This technology enables cryptographically…

密码学与安全 · 计算机科学 2020-12-25 AKM Bahalul Haque , Mahbubur Rahman

This research addresses privacy protection in Natural Language Processing (NLP) by introducing a novel algorithm based on differential privacy, aimed at safeguarding user data in common applications such as chatbots, sentiment analysis, and…

密码学与安全 · 计算机科学 2024-10-14 Shaobo Liu , Guiran Liu , Binrong Zhu , Yuanshuai Luo , Linxiao Wu , Rui Wang

Differential private (DP) query and response mechanisms have been widely adopted in various applications based on Internet of Things (IoT) to leverage variety of benefits through data analysis. The protection of sensitive information is…

密码学与安全 · 计算机科学 2022-12-09 Muhammad Islam , Mubashir Husain Rehmani , Jinjun Chen

Blockchain or Distributed Ledger Technology is a disruptive technology that provides the infrastructure for developing decentralized applications enabling the implementation of novel business models even in traditionally centralized…

分布式、并行与集群计算 · 计算机科学 2021-03-22 Claudia Pop , Tudor Cioara , Ionut Anghel , Marcel Antal , Ioan Salomie

The concept of differential privacy emerged as a strong notion to protect database privacy in an untrusted environment. Later on, researchers proposed several variants of differential privacy in order to preserve privacy in certain other…

密码学与安全 · 计算机科学 2020-07-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

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…

分布式、并行与集群计算 · 计算机科学 2019-08-29 Nguyen Truong , Kai Sun , Yike Guo

Differential privacy (DP) provides formal guarantees that the output of a database query does not reveal too much information about any individual present in the database. While many differentially private algorithms have been proposed in…

密码学与安全 · 计算机科学 2019-11-27 Royce J Wilson , Celia Yuxin Zhang , William Lam , Damien Desfontaines , Daniel Simmons-Marengo , Bryant Gipson

Blockchain technologies have been boosting the development of data-driven decentralized services in a wide range of fields. However, with the spirit of full transparency, many public blockchains expose all types of data to the public such…

密码学与安全 · 计算机科学 2022-05-13 Yepeng Ding , Hiroyuki Sato

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…

密码学与安全 · 计算机科学 2023-11-13 Zhuangtong Huang , Jiawei Zhu , Zhongyu Huang , Yixin Xu , Jerome Yen , Ye Wang

Blockchains and distributed ledger technologies allow the operation of manifold decentralised applications (dApps). Such applications are based on smart contracts, a programmable abstraction that is executed in a decentralised manner. To…

软件工程 · 计算机科学 2026-05-22 Fabian Stiehle , Kirill Inozemtsev , Ingo Weber

Large organizations that collect data about populations (like the US Census Bureau) release summary statistics that are used by multiple stakeholders for resource allocation and policy making problems. These organizations are also legally…

数据库 · 计算机科学 2021-11-08 David Pujol , Yikai Wu , Brandon Fain , Ashwin Machanavajjhala