# Nani Trap - Fraudster's worst nightmare

- **Event:** [Google DeepMind Bangalore Hackathon](https://cerebralvalley.ai/e/google-deepmind-bangalore-hackathon)
- **When:** Sat, Jul 11 at 9:00 AM – 10:00 PM (GMT+5:30)
- **Where:** Marathahalli, Marathahalli Main Road
- **Team:** [Aashwin Dev](https://cerebralvalley.ai/u/aashwindev), [Haard Solanki](https://cerebralvalley.ai/u/haardsolanki), [pranav h](https://cerebralvalley.ai/u/pranavh)
- **GitHub:** https://github.com/haard18/nanitrap
- **Demo video:** https://youtu.be/xw4W9vLEuZs
- **Gallery:** https://cerebralvalley.ai/e/google-deepmind-bangalore-hackathon/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/google-deepmind-bangalore-hackathon/hackathon/gallery/95

Nani Trap - an AI nani picks up the call so your grandmother doesn’t have to deal with scammers.

India’s elders are hit hardest by phone fraud: digital arrest, fake KYC, UPI scams, etc.

Today’s defences are passive - block lists and spam labels. Nani Trap instead flips the call: It is a Gemini Live honeypot which answers as a real sounding elder, wastes the scammer’s time with natural barge-in conversations, and in parallel extracts a live dossier (scam genre, claimed institution, UPI/mule IDs, pressure tactics, transcripts) to report to authorities.
Also protects elders from opening fishy links and giving tips. 
Full security Nani ji

Who pays: adult children via a family plan - not the grandparents. At scale, banks/telcos buy freeze-quality scam signal. Helps govt out since ₹22,000 Crore are lost to frauds each year from India.

Built during this hackathon:
1. Honeypot persona - Gemini Live nani, barge-in, honeytokens, stalls scammers in character
2. Live extractor - parallel gemini-3.5-flash JSON dossier of IDs, numbers, tactics in real time
3. Offline Gemma - on-device link/SMS/QR triage (sense, decide, act, defer) with no network
4. Twilio bridge - hand-written G.711 μ-law codec and resampler, 8k to 16k to 24k into Live
5. Android handoff - call-screening auto-route plus floating Nani button conference merge
6. Threat registry - dossier clustering into a shared herd-immunity corpus with live trends
7. Immunizer and 1930 - local-language warning cards plus golden-hour cybercrime complaint drafts

This is the first real-time multimodal defence built for India. Nani Trap will beat all Cyber Fraudsters.

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Markdown version of https://cerebralvalley.ai/e/google-deepmind-bangalore-hackathon/hackathon/gallery/95. Site index for agents: https://cerebralvalley.ai/llms.txt · full text: https://cerebralvalley.ai/llms-full.txt