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
· Applied Sciences · 2 citations