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This work proposes a novel privacy-preserving cyberattack detection framework for blockchain-based Internet-of-Things (IoT) systems. In our approach, artificial intelligence (AI)-driven detection modules are strategically deployed at…

Cryptography and Security · Computer Science 2024-12-19 Bui Duc Manh , Chi-Hieu Nguyen , Dinh Thai Hoang , Diep N. Nguyen , Ming Zeng , Quoc-Viet Pham

Users worldwide access massive amounts of curated data in the form of rankings on a daily basis. The societal impact of this ease of access has been studied and work has been done to propose and enforce various notions of fairness in…

Information Retrieval · Computer Science 2023-03-07 Jia Ao Sun , Sikha Pentyala , Martine De Cock , Golnoosh Farnadi

The emerging industrial metaverses realize the mapping and expanding operations of physical industry into virtual space for significantly upgrading intelligent manufacturing. The industrial metaverses obtain data from various production and…

Computer Science and Game Theory · Computer Science 2022-08-30 Jiawen Kang , Dongdong Ye , Jiangtian Nie , Jiang Xiao , Xianjun Deng , Siming Wang , Zehui Xiong , Rong Yu , Dusit Niyato

Many commonly used learning algorithms work by iteratively updating an intermediate solution using one or a few data points in each iteration. Analysis of differential privacy for such algorithms often involves ensuring privacy of each step…

Machine Learning · Computer Science 2018-12-12 Vitaly Feldman , Ilya Mironov , Kunal Talwar , Abhradeep Thakurta

Distributed model predictive control (DMPC) has attracted extensive attention as it can explicitly handle system constraints and achieve optimal control in a decentralized manner. However, the deployment of DMPC strategies generally…

Systems and Control · Electrical Eng. & Systems 2025-11-21 Kaixiang Zhang , Yongqiang Wang , Ziyou Song , Zhaojian Li

Recently, cybersecurity becomes more and more important due to the rapid development of Internet. However, existing methods are in reality highly sensitive to attacks and are far more vulnerable than expected, as they are lack of trustable…

Cryptography and Security · Computer Science 2018-11-28 Yu Han , Zhongru Wang , Qiang Ruan , Binxing Fang

Founded in 2017, Algorand is one of the world's first carbon-negative, public blockchains inspired by proof of stake. Algorand uses a Byzantine agreement protocol to add new blocks to the blockchain. The protocol can tolerate malicious…

Computer Science and Game Theory · Computer Science 2023-02-23 Maizi Liao , Wojciech Golab , Seyed Majid Zahedi

With the accelerated adoption of end-to-end encryption, there is an opportunity to re-architect security and anti-abuse primitives in a manner that preserves new privacy expectations. In this paper, we consider two novel protocols for…

Cryptography and Security · Computer Science 2023-04-07 Kurt Thomas , Sarah Meiklejohn , Michael A. Specter , Xiang Wang , Xavier Llorà , Stephan Somogyi , David Kleidermacher

In this paper, we propose FairCrowd, a private, fair, and verifiable framework for aggregate statistics in mobile crowdsensing based on the public blockchain. In specific, mobile users are incentivized to collect and share private data…

Cryptography and Security · Computer Science 2020-07-21 Miao He , Jianbing Ni , Dongxiao Liu , Haomiao Yang , Xuemin , Shen

In this paper, we propose a protocol that preserves (statistical) privacy of agents' costs in peer-to-peer distributed optimization against a passive adversary that corrupts certain number of agents in the network. The proposed protocol…

Systems and Control · Computer Science 2019-05-03 Nirupam Gupta , Nikhil Chopra

Zero-knowledge proof system is an important protocol that can be used as a basic block for construction of other more complex cryptographic protocols. An intrinsic characteristic of a zero-knowledge systems is the assumption that is…

Quantum Physics · Physics 2007-05-23 Jose Claudio do Nascimento , Rubens Viana Ramos

How someone can get health insurance without sharing his health information? How you can get a loan without disclosing your credit score? There is a method to certify certain attributes of various data, either this is health metrics or…

Cryptography and Security · Computer Science 2020-06-18 Stavros Kassaras , Leandros Maglaras

Information and Communication Technologies (ICT) have a significant climate impact, and data centres account for a large proportion of the carbon emissions from ICT. To achieve sustainability goals, it is important that all parties involved…

Cryptography and Security · Computer Science 2025-09-09 Jessica Man , Sadiq Jaffer , Patrick Ferris , Martin Kleppmann , Anil Madhavapeddy

Unlike suggested during their early years of existence, Bitcoin and similar cryptocurrencies in fact offer significantly less privacy as compared to traditional banking. A myriad of privacy-enhancing extensions to those cryptocurrencies as…

Cryptography and Security · Computer Science 2022-04-21 Christiane Kuhn , Aniket Kate , Thorsten Strufe

Harnessing a block-sparse prior to recover signals through underdetermined linear measurements has been extensively shown to allow exact recovery in conditions where classical compressed sensing would provably fail. We exploit this result…

Information Theory · Computer Science 2021-10-12 Maxime Ferreira Da Costa , Urbashi Mitra

Anonymous communication networks have emerged as crucial tools for obfuscating communication pathways and concealing user identities. However, their practical deployments face significant challenges, including susceptibility to artificial…

Cryptography and Security · Computer Science 2025-08-05 Chao Ge , Wei Yuan , Ge Chen , Yanbin Pan , Yuan Shen

Although Bitcoin in its original whitepaper stated that it offers anonymous transactions, de-anonymization techniques have found otherwise. Therefore, alternative cryptocurrencies, like Dash, Monero, and Zcash, were developed to provide…

Cryptography and Security · Computer Science 2019-02-21 George Kappos , Ania M. Piotrowska

This work proposes a $d$-dimensional quantum multi-secret sharing scheme with a cheat detection mechanism. The dealer creates multiple secrets and distributes the shares of these secrets using multi-access structures and a monotone span…

Quantum Physics · Physics 2023-10-23 Deepa Rathi , Sanjeev Kumar

The laws of quantum physics endow superior performance and security for information processing: quantum sensing harnesses nonclassical resources to enable measurement precision unmatched by classical sensing, whereas quantum cryptography…

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