In the face of the challenges and opportunities presented by blockchain technology, PAYDEX aims to meet the payment needs of global users across various blockchain-based applications, including peer-to-peer payments, physical store purchases, online shopping, and gaming platform transactions. It endeavors to create a real-time and flexible blockchain payment ecosystem, guided by the principles of user-centricity, authenticity, and quality. The system implements a reward and punishment mechanism to incentivize and regulate the behavior of participants.