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FOKRUL ISLAM
FOKRUL ISLAM

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Building GeneSign: Synthetic DNA Watermarking and Biosecurity Firewall with NVIDIA Nemotron

#ai #cybersecurity #security #softwaredevelopment

Biosecurity verification in synthetic biology is often treated as an afterthought. With modern DNA synthesis pipelines accelerating worldwide, validating genetic sequence provenance and detecting hazardous biological threats in real-time is critical[cite: 13, 14].

To solve this, I built GeneSign — a zero-drift wobble codon DNA watermarking platform and biosecurity firewall with integrated AI threat rationale[cite: 3, 13].

🧬 What GeneSign Does

  • Zero-Drift Wobble Steganography: Injects tamper-proof cryptographic metadata into protein coding sequences (CDS) by utilizing degenerate synonymous codons without modifying amino acid translation ($\Delta GC = 0.000\%$)[cite: 13].
  • Origin Provenance & Verification: Embeds dual-layer Ed25519 signatures and tracks authorization records in a tamper-resistant audit ledger[cite: 13].
  • Real-time Threat Radar: Automatically flags regulated pathogens and select agents using high-throughput biological sequence screening[cite: 13, 14].
  • NVIDIA Nemotron AI Rationale: Synthesizes regulatory guidance, biohazard threat rationales, and enforcement actions via LLM inference[cite: 3, 14].
  • 1-Base Tamper Simulation: Validates hardware interlocks by illustrating instant signature invalidation under single nucleotide substitutions[cite: 13].

🛠️ Architecture & Tech Stack

  • Core Engine & API: Python, FastAPI, SQLite ledger, and Uvicorn.
  • AI Intelligence: NVIDIA Nemotron via OpenRouter for biosecurity compliance and threat analysis[cite: 3, 7].
  • Interactive Frontend: Dark tactical HUD with Three.js-powered 3D DNA helix visualization[cite: 13].
  • Cloud Infrastructure: Production-grade deployment containerized on Render[cite: 13].

🚀 Live Demo & Code

Building this system balances biological preservation constraints with low-latency cryptographic verification. GeneSign enforces origin integrity before synthetic constructs ever reach the physical synthesizer.

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