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Related papers: DIAP: A Decentralized Agent Identity Protocol with…

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Decentralized applications (dApps) in Decentralized Finance (DeFi) face a fundamental tension between regulatory compliance requirements like Know Your Customer (KYC) and maintaining decentralization and privacy. Existing permissioned DeFi…

Cryptography and Security · Computer Science 2025-10-08 Fabian Piper , Karl Wolf , Jonathan Heiss

Digital identities are increasingly important for mediating not only digital but also physical service transactions. Managing such identities through centralized providers can cause both availability and privacy concerns: single points of…

Cryptography and Security · Computer Science 2025-08-15 René Mayrhofer , Michael Roland , Tobias Höller , Philipp Hofer , Mario Lins

A Zero-Knowledge Protocol (ZKP) allows one party to convince another party of a fact without disclosing any extra knowledge except the validity of the fact. For example, it could be used to allow a customer to prove their identity to a…

Quantum Physics · Physics 2023-04-20 Claude Crépeau , John Stuart

Blockchain intercommunication systems enable the exchanges of messages between blockchains. This interoperability promotes innovation, unlocks liquidity and access to assets. However, blockchains are isolated systems that originally were…

Cryptography and Security · Computer Science 2022-10-25 Miguel Díaz Montiel , Rachid Guerraoui , Pierre-Louis Roman

The fragmentation of AI agent ecosystems has created urgent demands for interoperability, trust, and economic coordination that current protocols -- including MCP (Hou et al., 2025), A2A (Habler et al., 2025), ACP (Liu et al., 2025), and…

Cryptography and Security · Computer Science 2025-07-24 Sree Bhargavi Balija , Rekha Singal , Ramesh Raskar , Erfan Darzi , Raghu Bala , Thomas Hardjono , Ken Huang

The proliferation of AI agents requires robust mechanisms for secure discovery. This paper introduces the Agent Name Service (ANS), a novel architecture based on DNS addressing the lack of a public agent discovery framework. ANS provides a…

Cryptography and Security · Computer Science 2025-05-19 Ken Huang , Vineeth Sai Narajala , Idan Habler , Akram Sheriff

Autonomous AI agent ecosystems require stronger mechanisms for secure discovery, identity verification, capability attestation, and policy governance. Current deployments frequently lack (1) uniform agent discovery, (2) cryptographic agent…

Cryptography and Security · Computer Science 2026-05-01 Akshay Mittal , Elyson De La Cruz

In the current digital landscape, supply chains have transformed into complex networks driven by the Internet of Things (IoT), necessitating enhanced data sharing and processing capabilities to ensure traceability and transparency.…

Cryptography and Security · Computer Science 2024-10-22 Amir Jabbari , Gowri Ramachandran , Sidra Malik , Raja Jurdak

This paper presents a proof-of-concept demonstration of agent-to-agent communication across distributed systems, using only natural-language messages and without shared identifiers, structured schemas, or centralised data exchange. The…

Artificial Intelligence · Computer Science 2025-11-21 Daniel Vaughan , Kateřina Vaughan

Anonymous credentials (ACs) are a crucial cryptographic tool for privacy-preserving authentication in decentralized networks, allowing holders to prove eligibility without revealing their identity. However, a major limitation of standard…

Cryptography and Security · Computer Science 2025-12-24 Bin Xie , Rui Song , Xuyuan Cai

This paper presents a Unified Security Architecture that fortifies the Agentic Web through a Zero-Trust IAM framework. This architecture is built on a foundation of rich, verifiable agent identities using Decentralized Identifiers (DIDs)…

Cryptography and Security · Computer Science 2025-08-22 Ken Huang , Yasir Mehmood , Hammad Atta , Jerry Huang , Muhammad Zeeshan Baig , Sree Bhargavi Balija

We live in an era of information and it is very important to handle the exchange of information. While sending data to an authorized source, we need to protect it from unauthorized sources, changes, and authentication. ZKP technique can be…

Cryptography and Security · Computer Science 2019-11-22 Lavish Saluja , Ashutosh Bhatia

The emergence of the Internet of Agents (IoA) introduces critical challenges for communication privacy in sensitive, high-stakes domains. While standard Agent-to-Agent (A2A) protocols secure message content, they are not designed to protect…

Cryptography and Security · Computer Science 2025-11-25 Kaibo Huang , Yukun Wei , Wansheng Wu , Tianhua Zhang , Zhongliang Yang , Linna Zhou

Automated negotiations in insurance and business-to-business (B2B) commerce encounter substantial challenges. Current systems force a trade-off between convenience and privacy by routing sensitive financial data through centralized servers,…

Cryptography and Security · Computer Science 2026-04-23 Joyjit Roy , Samaresh Kumar Singh

The proliferation of autonomous AI agents represents a paradigmatic shift from traditional web architectures toward collaborative intelligent systems requiring sophisticated mechanisms for discovery, authentication, capability verification,…

Networking and Internet Architecture · Computer Science 2025-08-06 Sichao Wang , Ramesh Raskar , Mahesh Lambe , Pradyumna Chari , Rekha Singhal , Shailja Gupta , Rajesh Ranjan , Ken Huang

The emergence of autonomous, high-velocity Agentic AI systems is creating an internal assurance scalability crisis. Point-in-time, document-based audits cannot keep pace with non deterministic behaviour and distributed deployments of agents…

Computers and Society · Computer Science 2026-03-05 Guy Lupo , Bao Quoc Vo , Natania Locke

AI agents are now running real transactions, workflows, and sub-agent chains across organizational boundaries without continuous human supervision. This creates a problem no current infrastructure is equipped to solve: how do you identify,…

Artificial Intelligence · Computer Science 2026-04-28 Takumi Otsuka , Kentaroh Toyoda , Alex Leung

Verifiable delegation in digital identity systems remains unresolved across centralized, federated, and self-sovereign identity (SSI) environments, particularly where both human users and autonomous AI agents must exercise and transfer…

Cryptography and Security · Computer Science 2026-01-22 David Ricardo Saavedra

Large Language Models (LLMs) are accelerating the shift from an Internet of information to an Internet of Agents (IoA), where autonomous entities discover services, negotiate, execute tasks, and exchange value. Yet today's agents are still…

Networking and Internet Architecture · Computer Science 2026-02-17 Wenxin Xu , Taotao Wang , Yihan Xia , Shengli Zhang , Soung Chang Liew

Public research results on large-scale supervised finetuning of AI agents remain relatively rare, since the collection of agent training data presents unique challenges. In this work, we argue that the bottleneck is not a lack of underlying…