Questions
Common questions.
What is Trust Chain?
A trust chain in an agent system is the sequence of verified identity relationships that links a final agent action back to its original authorisation source, typically a human user or an organisational policy.
Why does Trust Chain matter for AI agents?
Every delegation, sub-agent invocation, and tool call should extend the trust chain, so that any action can be traced back through each intermediate step to the root authority that permitted it. Broken trust chains are a leading cause of unauditable agent behaviour.
Which terms are related to Trust Chain?
Closely related concepts include Trust Boundary, Machine Identity, Non-Human Identity (NHI), SPIFFE (Secure Production Identity Framework for Everyone). Each is defined in the Prefactor glossary.
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