Author

Thi Hong Tran

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Preprint Sep 2026

Transparent Identity Verification Approach Using MPC and Efficient Credential Status Handling

This work proposes a transparent and cost-effective identity verification framework based on Multi-Party Computation (MPC), which enables private off-chain code execution and produces runtime proofs anchored to a blockchain and integrates SHA3 hashing and Falcon post-quantum signatures.

Istiaque Ahmed, Shoji Kasahara, Kentaroh Toyoda et al. · 0 citations

#machine learning Preprint Aug 2026

Reflex-Guard: A Low-Latency Guardrail for LLM Prompt Safety Using Dense Semantic Embeddings

Reflex-Guard is introduced, a lightweight guardrail that runs locally that uses jailbreak-aware preprocessing, compact sentence-transformer embeddings, and seven fast binary classifiers that enable high-accuracy prompt safety filtering with much lower latency than existing solutions.

Istiaque Ahmed, Afia Anjum Borsha, Ranat Das Prangon et al. · 0 citations