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World Congress 2026 Europe • Jul 9, 2026 • Session details

Beyond authentication: an open-source trust model for the agentic web

Alexander Günsche , Sabrina Engling

How do you safely scale AI agents across organizational boundaries? Learn how the open-source TSAI protocol moves beyond basic authentication using verifiable credentials and dynamic reputation.

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#1 about 3 min

Mechanism of bidirectional trust and reputation building

How trust authorities mitigate bias through dynamic feedback between agents and service providers.

#2 about 3 min

Expanding the trust landscape to additional stakeholders

The role of observability tools, firewalls, and marketplaces in enforcing and scaling trust metrics.

#3 about 2 min

Handling stolen agents and credential revocation mechanisms

Methods for mitigating risk when using short-lived credentials and distributing verification statuses.

#4 about 2 min

Standardization bodies and verifiable credential protocol adoption

The collaboration between open-source protocols and established standard boards like IETF and W3C.

#5 about 2 min

Managing credential delegation in multi-agent application architectures

How identity operates when passing signing keys among service providers and sub-agents.

#6 about 1 min

Formatting conventions and ASCII usage in RFC 9901

The rationale behind syntax conventions standard to verifiable credential documentation.

Matching moments

2:47 min

Transitioning toward autonomous agentic commerce

Annabella Bassler Annabella Bassler +3 · World Congress 2026 Europe

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Integrating artificial intelligence into user agentic commerce

Brian Whippo Brian Whippo · World Congress 2025

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Security and trust models in multi-agent chats

Sam Liu · Coffee With Developers

2:28 min

Mitigating excessive agency through scoped tool access

Deepu Deepu · World Congress 2025

4:03 min

Applying the TRUST framework to AI product architecture

Akshay Nagpal Akshay Nagpal · Europe 2026 Virtual

1:55 min

Current state of security in AI applications

Deepu Deepu · World Congress 2025

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Upcoming sessions on this topic

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September 24, 2026 · 17:30–18:00

Stage 5

Securing AI Agent Infrastructure: Identity, Attestation, and Trust at Scale

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September 24, 2026 · 09:45–10:15

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Open session

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September 24, 2026 · 14:50–15:20

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