Hacki
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About the project

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What it does

¡Mío! is a live-selling app where sellers showcase products during a livestream and buyers claim them in real time. Payments are settled in USD₮, verified on-chain, with automatic reservation locking and order tokenization — so the first valid payment wins, and everyone else falls into a fair FIFO queue instead of losing their spot.

How it works

  • Buyer taps "I want it" during the live → product locks for 120 seconds
  • Payment is confirmed via an on-chain WDK payment agent (Tether WDK track)
  • Once validated, the order is tokenized and the buyer's wallet is recorded
  • If the buyer doesn't pay in time, the reservation expires and the next buyer in queue gets their own 120s window
  • Seller gets a live dashboard with real-time claim/payment/queue events
  • Computer vision + NLP module matches products shown on camera to the live catalog automatically

Tech stack

  • Backend: Next.js (App Router) + TypeScript + Prisma/PostgreSQL
  • Payments: Tether WDK on-chain payment agent
  • Frontend: Next.js live view with real-time feed
  • Computer Vision/NLP: QVAC-based product matching from live video

Team

6 people across 3 pairs: Backend/Core System, Frontend, and Computer Vision/NLP — built end-to-end in this hackathon, including real on-chain payment confirmation tested live.