An e-wallet QR system utilizes quick response (QR) codes to facilitate digital payments through mobile devices. This system enables users to make purchases or transfers by scanning QR codes displayed at merchant locations or shared between individuals. Popular e-wallet providers like PayPal, Alipay, WeChat Pay, and others offer QR-based payment solutions that streamline transactions and enhance convenience. Users simply scan the QR code with their smartphone camera, confirm the payment amount, and complete the transaction securely within seconds. E-wallet QR systems are favored for their simplicity, speed, and versatility, allowing consumers to make payments without the need for physical cash or cards. They also provide businesses with a cost-effective way to accept digital payments, improve operational efficiency, and reach a broader customer base. As digital payment adoption continues to grow globally, e-wallet QR systems play a crucial role in driving the transition towards a cashless society, offering secure and efficient payment solutions in various retail, dining, and service industries.