The problem MATTHEW'S WALLET solves

Matthew's Wallet simplifies mall shopping with crypto! Scan, pay, and earn rewards effortlessly with our Solana-powered app. Enjoy enhanced security, personalized assistance, and seamless transactions. Join the future of retail today! This application can help the shops skip the work of cashiers, users scan products, and pay with crypto. With the help of blockchain and cryptocurrency, we can avoid different cost caused by different currency all around the world. We skip the middleman process of banks, so we can minimise the price and maximise budget-effectiveness.

Challenges we ran into

Lack of time. Not skill in coding.