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Related papers: A Review on Privacy in DAG-Based DLTs

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As large language models (LLMs) become increasingly adopted on edge devices, Retrieval-Augmented Generation (RAG) is gaining prominence as a solution to address factual deficiencies and hallucinations by integrating external knowledge.…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-02 Chenhao Xu , Longxiang Gao , Yuan Miao , Xi Zheng

Graph Neural Networks (GNNs) have established themselves as the state-of-the-art models for many machine learning applications such as the analysis of social networks, protein interactions and molecules. Several among these datasets contain…

Synthetic data from generative models emerges as the privacy-preserving data sharing solution. Such a synthetic data set shall resemble the original data without revealing identifiable private information. Till date, the prior focus on…

Machine Learning · Computer Science 2025-07-23 Chaoyi Zhu , Jiayi Tang , Juan F. Pérez , Marten van Dijk , Lydia Y. Chen

Local differential privacy (LDP) has emerged as a promising paradigm for privacy-preserving data collection in distributed systems, where users contribute multi-dimensional records with potentially correlated attributes. Recent work has…

Cryptography and Security · Computer Science 2025-08-20 Sandaru Jayawardana , Sennur Ulukus , Ming Ding , Kanchana Thilakarathna

Payment channel networks, and the Lightning Network in particular, seem to offer a solution to the lack of scalability and privacy offered by Bitcoin and other blockchain-based cryptocurrencies. Previous research has focused on the…

Cryptography and Security · Computer Science 2021-01-22 George Kappos , Haaroon Yousaf , Ania Piotrowska , Sanket Kanjalkar , Sergi Delgado-Segura , Andrew Miller , Sarah Meiklejohn

Blockchain and other decentralized databases, known as distributed ledgers, are designed to store information online where all trusted network members can update the data with transparency. The dynamics of ledger's development can be…

Probability · Mathematics 2025-08-28 Jiewei Feng , Christopher King , Ken R. Duffy

The introduction and advancements in Local Differential Privacy (LDP) variants have become a cornerstone in addressing the privacy concerns associated with the vast data produced by smart devices, which forms the foundation for data-driven…

Cryptography and Security · Computer Science 2023-09-13 Likun Qin , Nan Wang , Tianshuo Qiu

Many applications, e.g., digital twins, rely on sensing data from Internet of Things (IoT) networks, which is used to infer event(s) and initiate actions to affect an environment. This gives rise to concerns relating to data integrity and…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-04-12 Changlin Yang , Ying Liu , Kwan-Wu Chin , Jiguang Wang , Huawei Huang , Zibin Zheng

Differential privacy (DP) has arisen as the state-of-the-art metric for quantifying individual privacy when sensitive data are analyzed, and it is starting to see practical deployment in organizations such as the US Census Bureau, Apple,…

Cryptography and Security · Computer Science 2020-04-21 Sameer Wagh , Xi He , Ashwin Machanavajjhala , Prateek Mittal

Directed acyclic graphs (DAGs) serve as crucial data representations in domains such as hardware synthesis and compiler/program optimization for computing systems. DAG generative models facilitate the creation of synthetic DAGs, which can…

Machine Learning · Computer Science 2025-03-04 Mufei Li , Viraj Shitole , Eli Chien , Changhai Man , Zhaodong Wang , Srinivas Sridharan , Ying Zhang , Tushar Krishna , Pan Li

A wide range of services and applications can be improved and/or solved by using distributed ledger technology (DLT). These services and applications have widely varying quality of service (QoS) requirements. However, most existing DLT…

Networking and Internet Architecture · Computer Science 2018-09-05 F. Richard Yu

Differential Privacy has become a widely popular method for data protection in machine learning, especially since it allows formulating strict mathematical privacy guarantees. This survey provides an overview of the state-of-the-art of…

Machine Learning · Computer Science 2025-10-03 Lea Demelius , Roman Kern , Andreas Trügler

In recent years several distributed ledger technologies based on directed acyclic graphs (DAGs) have appeared on the market. Similar to blockchain technologies, DAG-based systems aim to build an immutable ledger and are faced with security…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-29 Andreas Penzkofer , Bartosz Kusmierz , Angelo Capossele , William Sanders , Olivia Saa

Although Large Language Models (LLMs) have become increasingly integral to diverse applications, their capabilities raise significant privacy concerns. This survey offers a comprehensive overview of privacy risks associated with LLMs and…

Cryptography and Security · Computer Science 2025-05-06 Kang Chen , Xiuze Zhou , Yuanguo Lin , Shibo Feng , Li Shen , Pengcheng Wu

Preserving privacy in contemporary NLP models allows us to work with sensitive data, but unfortunately comes at a price. We know that stricter privacy guarantees in differentially-private stochastic gradient descent (DP-SGD) generally…

Computation and Language · Computer Science 2023-02-01 Manuel Senge , Timour Igamberdiev , Ivan Habernal

Digitized, networked healthcare promises earlier detection, precision therapeutics, and continuous care; yet, it also expands the surface for privacy loss and compliance risk. We argue for a shift from siloed, application-specific…

Cryptography and Security · Computer Science 2026-01-09 M. Amin Rahimian , Benjamin Panny , James Joshi

A recent approach to building consensus protocols on top of Directed Acyclic Graphs (DAGs) shows much promise due to its simplicity and stable throughput. However, as each node in the DAG typically includes a linear number of references to…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-03 Michael Anoprenko , Andrei Tonkikh , Alexander Spiegelman , Petr Kuznetsov , Anatoliy Zinovyev , Konstantin Shprenger

DAG-based DLTs allow for parallel, asynchronous writing access to a ledger. Consequently, the perception of the most recent blocks may differ considerably between nodes, and the underlying network properties of the P2P layer have a direct…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-08 Bing-Yang Lin , Daria Dziubałtowska , Piotr Macek , Andreas Penzkofer , Sebastian Müller

This paper addresses the challenge of balancing learner data privacy with the use of data in learning analytics (LA) by proposing a novel framework by applying Differential Privacy (DP). The need for more robust privacy protection keeps…

Cryptography and Security · Computer Science 2025-01-06 Qinyi Liu , Ronas Shakya , Mohammad Khalil , Jelena Jovanovic

Distributed online learning has been proven extremely effective in solving large-scale machine learning problems over streaming data. However, information sharing between learners in distributed learning also raises concerns about the…

Machine Learning · Computer Science 2023-10-31 Ziqin Chen , Yongqiang Wang