6 papers
AI Agents with Decentralized Identifiers and Verifiable Credentials
Sandro Rodriguez Garzon, Awid Vaziry, Enis Mert Kuzu +4
A fundamental limitation of current LLM-based AI agents is their inability to build differentiated trust among each other at the onset of an agent-to-agent dialogue. However, auton…
Towards Multi-Agent Economies: Enhancing the A2A Protocol with Ledger-Anchored Identities and x402 Micropayments for AI Agents
Awid Vaziry, Sandro Rodriguez Garzon, Axel Küpper
This research article presents a novel architecture to empower multi-agent economies by addressing two critical limitations of the emerging Agent2Agent (A2A) communication protocol…
Programmable Governance for Group-Controlled Decentralized Identifiers
Carlo Segat, Sandro Rodriguez Garzo, Axel Küpper
Self-Sovereign Identity (SSI) is a paradigm for digital identity management that offers unique privacy advantages. A key technology in SSI is Decentralized Identifiers (DIDs) and t…
Governance of Ledger-Anchored Decentralized Identifiers
Sandro Rodriguez Garzon, Carlo Segat, Axel Küpper
A Decentralized Identifier (DID) empowers an entity to prove control over a unique and self-issued identifier without relying on any identity provider. The public key material for…
SoK: A Taxonomy for Distributed-Ledger-Based Identity Management
Awid Vaziry, Sandro Rodriguez Garzon, Patrick Herbke +2
The intersection of blockchain (distributed ledger) and identity management lacks a comprehensive framework for classifying distributed-ledger-based identity solutions. This paper…
DID Link: Authentication in TLS with Decentralized Identifiers and Verifiable Credentials
Sandro Rodriguez Garzon, Dennis Natusch, Artur Philipp +3
Authentication in TLS is predominately carried out with X.509 digital certificates issued by certificate authorities (CA). The centralized nature of current public key infrastructu…