AI Agents with Decentralized Identifiers and Verifiable Credentials
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866914607916908544 |
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| author | Garzon, Sandro Rodriguez Vaziry, Awid Kuzu, Enis Mert Gehrmann, Dennis Enrique Varkan, Buse Gaballa, Alexander Küpper, Axel |
| author_facet | Garzon, Sandro Rodriguez Vaziry, Awid Kuzu, Enis Mert Gehrmann, Dennis Enrique Varkan, Buse Gaballa, Alexander Küpper, Axel |
| contents | 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, autonomous and interoperable trust establishment becomes essential once agents start to operate beyond isolated environments and engage in dialogues across individual or organizational boundaries. A promising way to fill this gap in Agentic AI is to equip agents with long-lived digital identities and introduce tamper-proof and flexible identity-bound attestations of agents, provisioned by commonly trusted third parties and designed for cross-domain verifiability. This article presents a conceptual framework and a prototypical multi-agent system, where each agent is endowed with a self-sovereign digital identity. It combines a unique and ledger-anchored W3C Decentralized Identifier (DID) of an agent with a set of third-party issued W3C Verifiable Credentials (VCs). This enables agents at the start of a dialog to prove ownership of their self-controlled DIDs for authentication purposes and to establish various cross-domain trust relationships through the spontaneous exchange of their self-hosted DID-bound VCs. A comprehensive evaluation of the prototypical implementation demonstrates technical feasibility but also reveals limitations once an agent's LLM is in sole charge to control the respective security procedures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_02841 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | AI Agents with Decentralized Identifiers and Verifiable Credentials Garzon, Sandro Rodriguez Vaziry, Awid Kuzu, Enis Mert Gehrmann, Dennis Enrique Varkan, Buse Gaballa, Alexander Küpper, Axel Cryptography and Security Multiagent Systems 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, autonomous and interoperable trust establishment becomes essential once agents start to operate beyond isolated environments and engage in dialogues across individual or organizational boundaries. A promising way to fill this gap in Agentic AI is to equip agents with long-lived digital identities and introduce tamper-proof and flexible identity-bound attestations of agents, provisioned by commonly trusted third parties and designed for cross-domain verifiability. This article presents a conceptual framework and a prototypical multi-agent system, where each agent is endowed with a self-sovereign digital identity. It combines a unique and ledger-anchored W3C Decentralized Identifier (DID) of an agent with a set of third-party issued W3C Verifiable Credentials (VCs). This enables agents at the start of a dialog to prove ownership of their self-controlled DIDs for authentication purposes and to establish various cross-domain trust relationships through the spontaneous exchange of their self-hosted DID-bound VCs. A comprehensive evaluation of the prototypical implementation demonstrates technical feasibility but also reveals limitations once an agent's LLM is in sole charge to control the respective security procedures. |
| title | AI Agents with Decentralized Identifiers and Verifiable Credentials |
| topic | Cryptography and Security Multiagent Systems |
| url | https://arxiv.org/abs/2511.02841 |