This article traces the origin of Alipay’s Quick Pay, explains why traditional online banking was inadequate, details the three deployment models (third‑party, UnionPay, and bank‑direct), and outlines the end‑to‑end architecture that transformed payment success rates and user experience in China.
This article analyzes how Xianyu's transaction chain architecture progressed through three stages—business decoupling, dual‑end integration with Flutter, and a cloud‑native one‑stop development model—highlighting the technical decisions, challenges, and efficiency gains achieved during each phase.
This article examines the high‑availability architectures behind massive online transaction systems such as Alibaba's Double 11 sales, Alipay and WeChat red packets, detailing the challenges of billions of requests and the engineering solutions that ensure performance, reliability, and security.
The article explains how JD.com designed and deployed a multi‑center transaction architecture, using a high‑performance data bus and strict consistency and routing controls, to handle the massive traffic spikes of the 11.11 e‑commerce event while ensuring scalability and disaster recovery.
