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The predominant centralized paradigm in educational data management currently suffers from several critical issues such as vulnerability to malicious tampering, a high prevalence of diploma counterfeiting, and the onerous cost of…

密码学与安全 · 计算机科学 2023-06-02 Yihan Liu , Ke Li , Zihao Huang , Bowen Li , Guiyan Wang , Wei Cai

Blockchain-enabled Federated Learning (BFL) enables mobile devices to collaboratively train neural network models required by a Machine Learning Model Owner (MLMO) while keeping data on the mobile devices. Then, the model updates are stored…

机器学习 · 计算机科学 2020-05-04 Nguyen Quang Hieu , Tran The Anh , Nguyen Cong Luong , Dusit Niyato , Dong In Kim , Erik Elmroth

Decentralized federated learning (DFL) captures FL settings where both (i) model updates and (ii) model aggregations are exclusively carried out by the clients without a central server. Existing DFL works have mostly focused on settings…

Federated learning may be subject to both global aggregation attacks and distributed poisoning attacks. Blockchain technology along with incentive and penalty mechanisms have been suggested to counter these. In this paper, we explore…

密码学与安全 · 计算机科学 2022-06-24 Jonathan Heiss , Elias Grünewald , Nikolas Haimerl , Stefan Schulte , Stefan Tai

Decentralized Ledger Technology, popularized by the Bitcoin network, aims to keep track of a ledger of valid transactions between agents of a virtual economy without a central institution for coordination. In order to keep track of a…

系统与控制 · 计算机科学 2018-07-04 Michael Zargham , Zixuan Zhang , Victor Preciado

The Philos Marketplace blockchain system is a proposed hierarchical blockchain architecture which allows a large number of individual blockchains to operate in parallel. These parallel chains achieve consensus among one another on a limited…

分布式、并行与集群计算 · 计算机科学 2022-03-10 Pam Russell , Philip Brown

Blockchain has the potential to enhance supply chain management systems by providing stronger assurance in transparency and traceability of traded commodities. However, blockchain does not overcome the inherent issues of data trust in IoT…

密码学与安全 · 计算机科学 2022-03-14 Guntur Dharma Putra , Changhoon Kang , Salil S. Kanhere , James Won-Ki Hong

In this paper, we propose a blockchain-based computing verification protocol, called EntrapNet, for distributed shared computing networks, an emerging underlying network for many internet of things (IoT) applications. EntrapNet borrows the…

密码学与安全 · 计算机科学 2021-05-04 Chong Li , Lei Zhang , Serbiao Fang

This paper considers the use of novel technologies for mitigating attacks that aim at compromising intrusion detection systems (IDSs). Solutions based on collaborative intrusion detection networks (CIDNs) could increase the resilience…

密码学与安全 · 计算机科学 2021-09-09 Nicholas Kolokotronis , Sotirios Brotsis , Georgios Germanos , Costas Vassilakis , Stavros Shiaeles

Traditional machine learning algorithms use data from databases that are mutable, and therefore the data cannot be fully trusted. Also, the machine learning process is difficult to automate. This paper proposes building a trustable machine…

机器学习 · 计算机科学 2019-03-22 Tao Wang

Federated learning allows multiple participants to collaboratively train an efficient model without exposing data privacy. However, this distributed machine learning training method is prone to attacks from Byzantine clients, which…

机器学习 · 计算机科学 2022-09-09 Chunjiang Che , Xiaoli Li , Chuan Chen , Xiaoyu He , Zibin Zheng

Mobile Edge Computing (MEC) has been a promising paradigm for communicating and edge processing of data on the move. We aim to employ Federated Learning (FL) and prominent features of blockchain into MEC architecture such as connected…

分布式、并行与集群计算 · 计算机科学 2023-02-28 Rongxin Xu , Shiva Raj Pokhrel , Qiujun Lan , Gang Li

In recent years, Federated Learning (FL) has gained relevance in training collaborative models without sharing sensitive data. Since its birth, Centralized FL (CFL) has been the most common approach in the literature, where a central entity…

This paper presents an adversary model and a simulation framework specifically tailored for analyzing attacks on distributed systems composed of multiple distributed protocols, with a focus on assessing the security of blockchain networks.…

密码学与安全 · 计算机科学 2025-04-18 Erwan Mahe , Rouwaida Abdallah , Pierre-Yves Piriou , Sara Tucci-Piergiovanni

Blockchains enables tamper-proof, ordered logging for transactional data in a decentralized manner over open-access, overlay peer-to-peer networks. In this paper, we propose a decentralized framework of proactive caching in a hierarchical…

网络与互联网体系结构 · 计算机科学 2018-01-24 Wenbo Wang , Dusit Niyato , Ping Wang , Amir Leshem

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

Federated Learning (FL) has recently arisen as a revolutionary approach to collaborative training Machine Learning models. According to this novel framework, multiple participants train a global model collaboratively, coordinating with a…

密码学与安全 · 计算机科学 2024-09-04 Sameera K. M. , Serena Nicolazzo , Marco Arazzi , Antonino Nocera , Rafidha Rehiman K. A. , Vinod P , Mauro Conti

The continuous strengthening of the security posture of IoT ecosystems is vital due to the increasing number of interconnected devices and the volume of sensitive data shared. The utilisation of Machine Learning (ML) capabilities in the…

密码学与安全 · 计算机科学 2022-04-12 Mohanad Sarhan , Wai Weng Lo , Siamak Layeghy , Marius Portmann

Artificial intelligence is retracing the Internet's path from centralized provision to distributed creation. Initially, resource-intensive computation concentrates within institutions capable of training and serving large models.Eventually,…

机器学习 · 计算机科学 2025-11-27 Pius Onobhayedo , Paul Osemudiame Oamen

Federated Learning (FL) facilitates collaborative model training across distributed clients while ensuring data privacy. Traditionally, FL relies on a centralized server to coordinate learning, which creates bottlenecks and a single point…

分布式、并行与集群计算 · 计算机科学 2025-09-03 Phani Sahasra Akkinepally , Manaswini Piduguralla , Sushant Joshi , Sathya Peri , Sandeep Kulkarni