Author

Zimo Ji

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Preprint Aug 2026

When Verified Source Becomes Attack Input: Defending Smart Contracts Against LLM-Based Vulnerability Scanning

DeLLMGuard is proposed, a smart contract deployment framework that defends against malicious LLM-based vulnerability scanning while preserving public source disclosure and authorized auditing and outperforms the closed-source bytecode baseline on the primary non-proxy set.

Ming-Yuan Huang, Zimo Ji, Yifan Mo et al. · 0 citations

Preprint Aug 2026

Uncovering and Understanding Hidden Dependencies in the LLM API Reseller Ecosystem via Prefix-Cache Side Channels

These findings reveal substantial hidden dependencies among seemingly independent API resellers, which can create a large potential blast radius, where a confidentiality or integrity failure along a common upstream path may affect users across multiple downstream resellers.

Zimo Ji, Xin Wei, Congying Xu et al. · 0 citations