We built a fraud-proof insurance engine in 24 hours. Here's what nearly broke us.

I'm writing this the day after a deadline that nearly ended our hackathon run. We're Team Unfiltered Minds, competing in Guidewire DEVTrails 2026 — a 6-week startup simulation where you build an AI-powered parametric insurance platform for gig delivery workers in India. Think Zomato, Swiggy, Zepto riders. No health coverage, no vehicle insurance. Just income protection when the weather turns bad and they can't work. The product is called GigSafe. The idea is simple: when IMD declares a red alert in your city, you shouldn't have to file a claim. The system should already know you're affected and pay you automatically. Simple in theory. Absolutely not simple to build securely. The problem nobody warns you about with parametric insurance Parametric insurance pays out based on an objective trigger — rainfall exceeds 64.5mm/day, AQI crosses 400, temperature holds above 42°C for 3+ hours. No adjuster. No claim form. No waiting. The trigger fires. The payout goes out. Done. The problem? If yo