Author

Puji Wang

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Preprint Jul 2026

Token-Flow Firewall: Semantic Runtime Auditing for Persistent AI Agents

TokenWall is proposed, a runtime defense framework that acts as a semantic firewall over agent token flows, demonstrating that semantic runtime containment can achieve a practical security-utility trade-off for persistent AI agents.

Puji Wang, Yingchen Zhang, Ruqing Zhang et al. · 1 citation