WinScan – Transparent Blockchain-Powered QR Rewards Platform | Hackathon Project

Discover WinScan, a revolutionary blockchain-based platform designed to bring transparency and trust to promotional QR code campaigns.

🛡️ Inspired by the infamous McDonald’s Monopoly Scam, WinScan eliminates fraud by using Ethereum smart contracts to lock prize funds, ensuring real-time, tamper-proof reward distribution.

🚀 What you'll see in this video:

How companies can launch secure campaigns using our Web3 platform

Real-time QR code scanning and ETH-based reward claiming

Full tech stack: React, Tailwind, Node.js, MongoDB, Smart Contracts (Solidity), Ethers.js

Frontend built using Bolt AI for rapid prototyping

Challenges we faced + how we overcame them

🔗 Smart contracts.
🎁 Real rewards.
✅ Verifiable claims.
No more fake offers — just trustless, secure engagement.

👉 Built for ETHIndia Hackathon
📌 Open Source | B2B + B2C Ready | Fully Decentralized

Видео WinScan – Transparent Blockchain-Powered QR Rewards Platform | Hackathon Project канала Harshit Saini