How to Build a Secure Android Payment SDK from Scratch

This article walks through the complete process of designing and implementing a secure, stable, and easy‑to‑use Android third‑party payment SDK, covering project background, technical challenges, layered architecture, core components, security mechanisms, memory management, UI design, performance optimizations, testing strategies, monitoring, and future roadmap.

AndroidKotlinSecurity

0 likes · 34 min read

How to Build a Secure Android Payment SDK from Scratch

Architect

Mar 14, 2025 · Backend Development

How a Modular Transaction System Drives Scalable Membership Services

This article provides a comprehensive technical deep‑dive into a modular transaction system for large‑scale membership services, covering its architecture, core workflow, component design, configuration details, order and signing services, product handling, settlement process, and stability mechanisms.

Microservicesbackend designclearing settlement

0 likes · 18 min read

How a Modular Transaction System Drives Scalable Membership Services

Bilibili Tech

Mar 11, 2025 · Backend Development

Architecture and Core Components of the Big Member Transaction System

The Big Member Transaction System is a modular, virtual‑item‑focused platform that coordinates independent yet tightly integrated services—order orchestration, signing contracts, product management, payment hub, risk control, and settlement—using unique business IDs, state‑machine lifecycles, SDK‑driven front‑end integration, and robust consistency mechanisms to ensure flexible, secure, and scalable online commerce.

Backend DevelopmentOrder Managementpayment SDK

0 likes · 17 min read

Architecture and Core Components of the Big Member Transaction System