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Related papers: Decentralized Trust Management: Risk Analysis and …

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This paper introduces a robust zero-trust architecture (ZTA) tailored for the decentralized system that empowers efficient remote work and collaboration within IoT networks. Using blockchain-based federated learning principles, our proposed…

Cryptography and Security · Computer Science 2024-06-26 Shiva Raj Pokhrel , Luxing Yang , Sutharshan Rajasegarar , Gang Li

The financial crisis has dramatically demonstrated that the traditional approach to apply univariate monetary risk measures to single institutions does not capture sufficiently the perilous systemic risk that is generated by the…

Mathematical Finance · Quantitative Finance 2015-04-27 Francesca Biagini , Jean-Pierre Fouque , Marco Frittelli , Thilo Meyer-Brandis

It is commonly assumed that trust increases cooperation. However, game-theoretic models often fail to distinguish between cooperative actions and trust, making it difficult to independently measure trust and determine how its effects vary…

Computer Science and Game Theory · Computer Science 2026-03-18 Cedric Perret , The Anh Han , Elias Fernández Domingos , Theodor Cimpeanu , Simon T. Powers

Decentralized systems are a subset of distributed systems where multiple authorities control different components and no authority is fully trusted by all. This implies that any component in a decentralized system is potentially…

Cryptography and Security · Computer Science 2022-01-17 Carmela Troncoso , Marios Isaakidis , George Danezis , Harry Halpin

Security risk assessment is essential in establishing the trustworthiness and reliability of modern systems. While various security risk assessment approaches exist, prevalent applications are "pen and paper" implementations that -- even if…

Cryptography and Security · Computer Science 2025-09-23 Avi Shaked

Trust plays an important role in making collaborative decisions about service evaluation and service selection in pervasive computing. Context is a fundamental concept in pervasive systems, which is based on the interpretation of…

Cryptography and Security · Computer Science 2009-11-04 Negin Razavi , Amir Masoud Rahmani , Mehran Mohsenzadeh

The actions of intelligent agents, such as chatbots, recommender systems, and virtual assistants are typically not fully transparent to the user. Consequently, using such an agent involves the user exposing themselves to the risk that the…

Computer Science and Game Theory · Computer Science 2020-07-23 The Anh Han , Cedric Perret , Simon T. Powers

Asset custody is a core financial service in which the custodian holds in-safekeeping assets on behalf of the client. Although traditional custody service is typically endorsed by centralized authorities, decentralized custody scheme has…

Cryptography and Security · Computer Science 2021-07-14 Zhaohua Chen , Guang Yang

Current architectures to validate, certify, and manage identity are based on centralised, top-down approaches that rely on trusted authorities and third-party operators. We approach the problem of digital identity starting from a human…

Computers and Society · Computer Science 2020-02-26 Geoff Goodell , Tomaso Aste

Multi-hop collaboration offers new perspectives for enhancing task execution efficiency by increasing available distributed collaborators for resource sharing. Consequently, selecting trustworthy collaborators becomes critical for realizing…

Systems and Control · Electrical Eng. & Systems 2026-01-19 Botao Zhu , Xianbin Wang

The assessment of trust between users is essential for collaboration. General reputation and ID mechanisms may support users' trust assessment. However, these mechanisms lack sensitivity to pairwise interactions and specific experience such…

Computer Science and Game Theory · Computer Science 2019-10-23 Claudia-Lavinia Ignat , Quang-Vinh Dang , Valerie Shalin

Policy decisions are increasingly dependent on the outcomes of simulations and/or machine learning models. The ability to share and interact with these outcomes is relevant across multiple fields and is especially critical in the disease…

This paper addresses the challenges of data privacy and collaborative modeling in cross-institution financial risk analysis. It proposes a risk assessment framework based on federated learning. Without sharing raw data, the method enables…

Machine Learning · Computer Science 2025-08-22 Yue Yao , Zhen Xu , Youzhu Liu , Kunyuan Ma , Yuxiu Lin , Mohan Jiang

Shared autonomy functions as a flexible framework that empowers robots to operate across a spectrum of autonomy levels, allowing for efficient task execution with minimal human oversight. However, humans might be intimidated by the…

Robotics · Computer Science 2025-12-01 Yingke Li , Fumin Zhang

The e-commerce systems are being tackled from commerce behavior and internet technologies. Therefore, trust aspect between buyer-seller transactions is a potential element which needs to be addressed in competitive e-commerce industry. The…

Artificial Intelligence · Computer Science 2024-06-21 Muhammad Yasir Siddiqui , Alam Gir

Distributed trust is a nebulous concept that has evolved from different perspectives in recent years. While one can attribute its current prominence to blockchain and cryptocurrency, the distributed trust concept has been cultivating…

Cryptography and Security · Computer Science 2023-06-16 Sin Kit Lo , Yue Liu , Guangsheng Yu , Qinghua Lu , Xiwei Xu , Liming Zhu

Valuable training data is often owned by independent organizations and located in multiple data centers. Most deep learning approaches require to centralize the multi-datacenter data for performance purpose. In practice, however, it is…

Machine Learning · Computer Science 2018-10-17 Kele Xu , Haibo Mi , Dawei Feng , Huaimin Wang , Chuan Chen , Zibin Zheng , Xu Lan

Data centers have become ubiquitous for today's businesses. From banks to startups, they rely on cloud infrastructure to deploy user applications. In this context, it is vital to provide users with application performance guarantees.…

Networking and Internet Architecture · Computer Science 2024-08-26 Diana Andreea Popescu

Most works on multi-agent reinforcement learning focus on scenarios where the state of the environment is fully observable. In this work, we consider a cooperative policy evaluation task in which agents are not assumed to observe the…

Machine Learning · Computer Science 2023-05-17 Mert Kayaalp , Fatima Ghadieh , Ali H. Sayed

AIs are increasingly being deployed with greater autonomy and capabilities, which increases the risk that a misaligned AI may be able to cause catastrophic harm. Untrusted monitoring -- using one untrusted model to oversee another -- is one…