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Many systems today distribute trust across multiple parties such that the system provides certain security properties if a subset of the parties are honest. In the past few years, we have seen an explosion of academic and industrial…

密码学与安全 · 计算机科学 2022-11-11 Emma Dauterman , Vivian Fang , Natacha Crooks , Raluca Ada Popa

Containerization technology plays a crucial role in Federated Learning (FL) setups, expanding the pool of potential clients and ensuring the availability of specific subsets for each learning iteration. However, doubts arise about the…

密码学与安全 · 计算机科学 2024-05-02 Mario Chahoud , Azzam Mourad , Hadi Otrok , Jamal Bentahar , Mohsen Guizani

Federated Leaning is an emerging approach to manage cooperation between a group of agents for the solution of Machine Learning tasks, with the goal of improving each agent's performance without disclosing any data. In this paper we present…

机器学习 · 计算机科学 2022-08-09 Gabriele Santin , Inna Skarbovsky , Fabiana Fournier , Bruno Lepri

A significant body of research in decentralized federated learning focuses on combining the privacy-preserving properties of federated learning with the resilience and transparency offered by blockchain-based systems. While these approaches…

密码学与安全 · 计算机科学 2025-06-04 Gabriele Digregorio , Francesco Bleggi , Federico Caroli , Michele Carminati , Stefano Zanero , Stefano Longari

This research introduces the Decentralized Finance (DeFi) TrustBoost Framework, which combines blockchain technology and Explainable AI to address challenges faced by lenders underwriting small business loan applications from low-wealth…

密码学与安全 · 计算机科学 2025-12-02 Swati Sachan , Dale S. Fickett

Federated learning (FL) has been gaining attention for its ability to share knowledge while maintaining user data, protecting privacy, increasing learning efficiency, and reducing communication overhead. Decentralized FL (DFL) is a…

机器学习 · 计算机科学 2024-05-07 Liangqi Yuan , Ziran Wang , Lichao Sun , Philip S. Yu , Christopher G. Brinton

Recent years have witnessed a surge in deep learning research, marked by the introduction of expansive generative models like OpenAI's SORA and GPT, Meta AI's LLAMA series, and Google's FLAN, BART, and Gemini models. However, the rapid…

密码学与安全 · 计算机科学 2024-07-11 Zhen Wang , Qin Wang , Guangsheng Yu , Shiping Chen

Blockchain has widely been adopted to design accountable federated learning frameworks; however, the existing frameworks do not scale for distributed model training over multiple independent blockchain networks. For storing the pre-trained…

分布式、并行与集群计算 · 计算机科学 2022-04-15 Sarthak Chakraborty , Sandip Chakraborty

The rise of crypto-currencies has spawned great interest in their underlying technology, namely, Blockchain. The central component in a Blockchain is a shared distributed ledger. A ledger comprises series of blocks, which in turns contains…

分布式、并行与集群计算 · 计算机科学 2018-05-04 Qi Zhang , Petr Novotny , Salman Baset , Donna Dillenberger , Artem Barger , Yacov Manevich

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…

机器学习 · 计算机科学 2023-08-01 Boyang Li , Bingyu Shen , Qing Lu , Taeho Jung , Yiyu Shi

We discuss future directions of Blockchain as a collaborative value co-creation platform, in which network participants can gain extra insights that cannot be accessed when disconnected from the others. As such, we propose a decentralized…

机器学习 · 计算机科学 2022-08-25 Tsuyoshi Idé , Rudy Raymond

Decentralized federated learning (DFL) enables collaborative model training without centralized trust, but it remains vulnerable to Byzantine clients that poison gradients under heterogeneous (Non-IID) data. Existing defenses face a…

机器学习 · 计算机科学 2025-12-16 Animesh Mishra

Federated Learning (FL) is a machine learning paradigm in which many clients cooperatively train a single centralized model while keeping their data private and decentralized. FL is commonly used in edge computing, which involves placing…

Integrating sharded blockchain with IoT presents a solution for trust issues and optimized data flow. Sharding boosts blockchain scalability by dividing its nodes into parallel shards, yet it's vulnerable to the $1\%$ attacks where…

密码学与安全 · 计算机科学 2024-01-02 Zixu Zhang , Guangsheng Yu , Caijun Sun , Xu Wang , Ying Wang , Ming Zhang , Wei Ni , Ren Ping Liu , Andrew Reeves , Nektarios Georgalas

Federated Learning (FL) emerges as a distributed machine learning approach that addresses privacy concerns by training AI models locally on devices. Decentralized Federated Learning (DFL) extends the FL paradigm by eliminating the central…

As the application of federated learning becomes increasingly widespread, the issue of imbalanced training data distribution has emerged as a significant challenge. Federated learning utilizes local data stored on different training clients…

分布式、并行与集群计算 · 计算机科学 2024-07-11 Yang Li , Chunhe Xia , Dongchi Huang , Xiaojian Li , Tianbo Wang

Federated learning (FL) enables a collaborative environment for training machine learning models without sharing training data between users. This is typically achieved by aggregating model gradients on a central server. Decentralized…

机器学习 · 计算机科学 2024-07-09 Siddhartha Bhattacharya , Daniel Helo , Joshua Siegel

Federated Learning (FL) has emerged as a powerful paradigm for training machine learning models in a decentralized manner, preserving data privacy by keeping local data on clients. However, evaluating the robustness of these models against…

How to audit outsourced data in centralized storage like cloud is well-studied, but it is largely under-explored for the rising decentralized storage network (DSN) that bodes well for a billion-dollar market. To realize DSN as a usable…

密码学与安全 · 计算机科学 2020-08-10 Yuefeng Du , Huayi Duan , Anxin Zhou , Cong Wang , Man Ho Au , Qian Wang

Facilitated by mobile edge computing, client-edge-cloud hierarchical federated learning (HFL) enables communication-efficient model training in a widespread area but also incurs additional security and privacy challenges from intermediate…

分布式、并行与集群计算 · 计算机科学 2023-08-16 Shengyang Li , Qin Hu , Zhilin Wang