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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Tuck-Wai Choong

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Open access Aug 2026

CapChain: A Capability-Token Access Control Architecture with Verifiable Provenance for Multi-Agent LLM Systems

CapChain brings cryptographic, capability-based access control and audit-by-construction provenance to a structural locus that prompt-level defenses cannot reach by relocating enforcement from the language model to the state-transition layer that graph-structured orchestrators expose.

Tuck-Wai Choong, Wen-Bin Hsieh, Jenq-Shiou Leu · 2 citations

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