Native lottery sports betting system setup with Java backend self-developed algorithms, supporting football betting, basketball betting, and Beijing Single Match....
Overseas JAVA Exchange System setup with Spring Boot backend and uniapp frontend, supporting second contracts, perpetual contracts, and self-developed matching engine....
Detailed guide for building an open-source Java super signature system supporting iOS enterprise signing and super signing, suitable for APP distribution platforms....
Detailed documentation of building an Alipay transfer card system, including transfer flight mode, signature-free aggregated payment, and encrypted H5 redirect technologies....
Sharing my experience building an overseas mall buyback system with Chinese and English bilingual support, including group purchase, tax refund, and recycling modules. Built with PHP and HTML for cross-border e-commerce....
