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We study the applicability of blockchain technology for distributed event detection under resource constraints. Therefore we provide a test-suite with several promising consensus methods (Proof-of-Work, Proof-of-Stake, Distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-07 Cedric Sanders , Thomas Liebig

Cross-institutional healthcare predictive modeling can accelerate research and facilitate quality improvement initiatives, and thus is important for national healthcare delivery priorities. For example, a model that predicts risk of…

Computers and Society · Computer Science 2018-02-07 Tsung-Ting Kuo , Lucila Ohno-Machado

Blockchain is a novel technology that is rising a lot of interest in the industrial and re- search sectors because its properties of decentralisation, immutability and data integrity. Initially, the underlying consensus mechanism has been…

Cryptography and Security · Computer Science 2018-05-10 Stefano De Angelis

Across industries, there is an ever-increasing rate of data sharing for collaboration and innovation between organizations and their customers, partners, suppliers, and internal teams. However, many enterprises are restricted from freely…

Cryptography and Security · Computer Science 2022-12-22 Lam Duc Nguyen , James Hoang , Qin Wang , Qinghua Lu , Sherry Xu , Shiping Chen

Home appliance manufacturers strive to obtain feedback from users to improve their products and services to build a smart home system. To help manufacturers develop a smart home system, we design a federated learning (FL) system leveraging…

Cryptography and Security · Computer Science 2021-02-02 Yang Zhao , Jun Zhao , Linshan Jiang , Rui Tan , Dusit Niyato , Zengxiang Li , Lingjuan Lyu , Yingbo Liu

The work presents a solution for completely decentralized data management systems in geographically distributed environments with administratively unrelated or loosely related user groups and in conditions of partial or complete lack of…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-21 Andrey Demichev , Alexander Kryukov

In a blockchain system, consensus protocol as an incentive and security mechanism, is to ensure the participants to build the block honestly and effectively. There are different consensus protocols for blockchain, like Proof of work (PoW),…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-03-25 Zhongli Dong , Young Choon Lee , Albert Y. Zomaya

Federated Learning (FL) is a well-known paradigm of distributed machine learning on mobile and IoT devices, which preserves data privacy and optimizes communication efficiency. To avoid the single point of failure problem in FL,…

Cryptography and Security · Computer Science 2024-03-13 Xiaoxue Zhang , Yifan Hua , Chen Qian

The primary purpose of this paper is to provide a design of a blockchain-based system, which produces a verifiable record of achievements. Such a system has a wide range of potential benefits for students, employers and higher education…

Computers and Society · Computer Science 2020-07-07 Bakri Awaji , Ellis Solaiman , Lindsay Marshall

With the development of practical deep learning models like generative AI, their excellent performance has brought huge economic value. For instance, ChatGPT has attracted more than 100 million users in three months. Since the model…

Cryptography and Security · Computer Science 2023-12-04 Yihao Li , Yanyi Lai , Tianchi Liao , Chuan Chen , Zibin Zheng

There has been tremendous interest in the development of formal trust models and metrics through the use of analytics (e.g., Belief Theory and Bayesian models), logics (e.g., Epistemic and Subjective Logic) and other mathematical models.…

Cryptography and Security · Computer Science 2021-06-10 Shantanu Pal , Ambrose Hill , Tahiry Rabehaja , Michael Hitchens

Proof of work (PoW), as the representative consensus protocol for blockchain, consumes enormous amounts of computation and energy to determine bookkeeping rights among miners but does not achieve any practical purposes. To address the…

Cryptography and Security · Computer Science 2022-11-01 Yuntao Wang , Haixia Peng , Zhou Su , Tom H Luan , Abderrahim Benslimane , Yuan Wu

Current blockchain protocols (e.g., Proof-of-Work and Proof-of-Stake) secure the ledger yet cannot measure validator trustworthiness, allowing subtle misconduct that is especially damaging in decentralized-finance (DeFi) settings. We…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-30 Ailiya Borjigin , Wei Zhou , Cong He

The continuous thriving of the Blockchain society motivates research in novel designs of schemes supporting cryptocurrencies. Previously multiple Proof-of-Deep-Learning(PoDL) consensuses have been proposed to replace hashing with useful…

Machine Learning · Computer Science 2023-08-01 Boyang Li , Bingyu Shen , Qing Lu , Taeho Jung , Yiyu Shi

One of the biggest challenges of building artificial intelligence (AI) model in the healthcare area is the data sharing. Since healthcare data is private, sensitive, and heterogeneous, collecting sufficient data for modelling is exhausting,…

Machine Learning · Computer Science 2025-10-10 Rui Sun , Zhipeng Wang , Hengrui Zhang , Ming Jiang , Yizhe Wen , Jiahao Sun , Erwu Liu , Kezhi Li

With the rising emergence of decentralized and opportunistic approaches to machine learning, end devices are increasingly tasked with training deep learning models on-devices using crowd-sourced data that they collect themselves. These…

Machine Learning · Computer Science 2023-04-12 Haoxiang Yu , Hsiao-Yuan Chen , Sangsu Lee , Sriram Vishwanath , Xi Zheng , Christine Julien

Multi-Agent Deep Reinforcement Learning (MDRL) is a promising research area in which agents learn complex behaviors in cooperative or competitive environments. However, MDRL comes with several challenges that hinder its usability, including…

Machine Learning · Computer Science 2025-01-22 Ahmed Alagha , Jamal Bentahar , Hadi Otrok , Shakti Singh , Rabeb Mizouni

Blockchains rely on economic incentives to ensure secure and decentralised operation, making incentive compatibility a core design concern. However, protocols are rarely deployed in isolation. Applications interact with the underlying…

Computer Science and Game Theory · Computer Science 2026-04-08 Zeta Avarikioti , Georg Fuchsbauer , Pim Keer , Matteo Maffei , Fabian Regen

Federated learning (FL) is a promising distributed learning solution that only exchanges model parameters without revealing raw data. However, the centralized architecture of FL is vulnerable to the single point of failure. In addition, FL…

Machine Learning · Computer Science 2021-01-12 Hang Chen , Syed Ali Asif , Jihong Park , Chien-Chung Shen , Mehdi Bennis

Blockchain-based federated learning (BCFL) has recently gained tremendous attention because of its advantages such as decentralization and privacy protection of raw data. However, there has been few research focusing on the allocation of…

Cryptography and Security · Computer Science 2022-02-23 Zhilin Wang , Qin Hu , Ruinian Li , Minghui Xu , Zehui Xiong