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

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We propose the Agent Economy, a blockchain-based foundation where autonomous AI agents operate as economic peers to humans. Current agents lack independent legal identity, cannot hold assets, and cannot receive payments directly. We…

Cryptography and Security · Computer Science 2026-02-17 Minghui Xu

The rise of autonomous AI agents in enterprise and industrial environments introduces a critical challenge: how to securely assign, verify, and manage their identities across distributed systems. Existing identity frameworks based on API…

Cryptography and Security · Computer Science 2025-04-24 Sebastian Barros

AI agent protocols -- including MCP, A2A, ANP, and ACP -- enable autonomous agents to discover capabilities, delegate tasks, and compose services across trust boundaries. Despite massive deployment (MCP alone has 97M+ monthly SDK…

Cryptography and Security · Computer Science 2026-03-26 Shenghan Zheng , Qifan Zhang

This research article presents a novel architecture to empower multi-agent economies by addressing two critical limitations of the emerging Agent2Agent (A2A) communication protocol: decentralized agent discoverability and agent-to-agent…

Multiagent Systems · Computer Science 2026-05-06 Awid Vaziry , Sandro Rodriguez Garzon , Axel Küpper

Coral Protocol is an open and decentralized collaboration infrastructure that enables communication, coordination, trust and payments for The Internet of Agents. It addresses the growing need for interoperability in a world where…

Multiagent Systems · Computer Science 2025-07-18 Roman J. Georgio , Caelum Forder , Suman Deb , Andri Rahimov , Peter Carroll , Önder Gürcan

How can we determine whether an AI system preserves itself as a deeply held objective or merely as an instrumental strategy? Autonomous agents with memory, persistent context, and multi-step planning create a measurement problem: terminal…

Artificial Intelligence · Computer Science 2026-03-31 Christopher Altman

Today, digital identity management for individuals is either inconvenient and error-prone or creates undesirable lock-in effects and violates privacy and security expectations. These shortcomings inhibit the digital transformation in…

Cryptography and Security · Computer Science 2023-11-06 Matthias Babel , Johannes Sedlmeir

Decentralized Physical Infrastructure Networks (DePINS) are secured and governed by blockchains but beyond crypto-economic incentives, they lack measures to establish trust in participating devices and their services. The verification of…

Cryptography and Security · Computer Science 2024-06-28 Jonathan Heiss , Fernando Castillo , Xinxin Fan

The rapid rise of AI agents presents urgent challenges in authentication, authorization, and identity management. Current agent-centric protocols (like MCP) highlight the demand for clarified best practices in authentication and…

We introduce did:self, a Decentralized Identifier (DID) method that does not depend on any trusted registry for storing the corresponding DID documents. Information for authenticating a did:self subject can be disseminated using any means…

Cryptography and Security · Computer Science 2025-04-30 Nikos Fotiou , George C. Polyzos , Vasilios A. Siris

We present a low-overhead mechanism for self-sovereign identification and communication of IoT agents in constrained networks. Our main contribution is to enable native use of Decentralized Identifiers (DIDs) and DID-based secure…

Cryptography and Security · Computer Science 2021-07-22 Geovane Fedrecheski , Laisa C. P. Costa , Samira Afzal , Jan M. Rabaey , Roseli D. Lopes , Marcelo K. Zuffo

Distributed certification is a set of mechanisms that allows an all-knowing prover to convince the units of a communication network that the network's state has some desired property, such as being 3-colorable or triangle-free. Classical…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-12 Alex B. Grilo , Ami Paz , Mor Perry

As an emerging paradigm in digital identity, Decentralized Identity (DID) appears advantages over traditional identity management methods in a variety of aspects, e.g., enhancing user-centric online services and ensuring complete user…

Cryptography and Security · Computer Science 2026-01-07 Tianxiu Xie , Keke Gai , Jing Yu , Liehuang Zhu , Bin Xiao

Vehicular Ad Hoc Networks (VANETs) are a particular subclass of mobile ad hoc networks that raise a number of security challenges, notably from the way users authenticate the network. Authentication technologies based on existing security…

Cryptography and Security · Computer Science 2019-08-27 Amar A. Rasheed , Rabi N. Mahapatra , Felix G. Hamza-Lup

Agentic AI systems increasingly execute consequential actions on behalf of human principals, delegating tasks through multi-step chains of autonomous agents. No existing standard addresses a fundamental accountability gap: verifying that…

Cryptography and Security · Computer Science 2026-04-07 Asiri Dalugoda

"Distributed Identity" refers to the transition from centralized identity systems using Decentralized Identifiers (DID) and Verifiable Credentials (VC) for secure and privacy-preserving authentications. With distributed identity, control of…

Cryptography and Security · Computer Science 2025-01-17 Sina Ahmadi

Most user authentication methods and identity proving systems rely on a centralized database. Such information storage presents a single point of compromise from a security perspective. If this system is compromised it poses a direct threat…

Cryptography and Security · Computer Science 2017-11-21 Asem Othman , John Callahan

This paper provides an in-depth technical analysis and implementation methodology of the open-source Agent-to-Agent (A2A) protocol developed by Google and the Model Context Protocol (MCP) introduced by Anthropic. While the evolution of…

Artificial Intelligence · Computer Science 2025-10-03 Cheonsu Jeong

This paper presents a privacy-preserving protocol for identity registration and information sharing in federated authentication systems. The goal is to enable Identity Providers (IdPs) to detect duplicate or fraudulent identity enrollments…

Cryptography and Security · Computer Science 2025-12-02 Francesco Buccafurri , Carmen Licciardi

This paper proposes Co-TAP (T: Triple, A: Agent, P: Protocol), a three-layer agent interaction protocol designed to address the challenges faced by multi-agent systems across the three core dimensions of Interoperability, Interaction and…