Chen Tian Universe, payment architect specializing in domestic payments, global cross‑border clearing, core banking, and digital payment scenarios. Notable works: “Ten‑Thousand‑Word: Fundamentals of International Payment Clearing”, “35,000‑Word: Core Payment Systems”, “19,000‑Word: Payment Clearing Ecosystem”, “88 Diagrams: Connecting Payment Clearing”, etc.
This article introduces a clear analysis framework that uses a single diagram to break down both information and fund flows across any payment scenario, detailing key elements, analysis methods, and a practical case study.
This comprehensive guide explains what a settlement system is, outlines ten critical design steps—from data source identification to bill provision—and illustrates their application across diverse scenarios such as corporate welfare platforms, government services, promotion platforms, bank acquiring, points e‑commerce, ETC, and consumer finance, while highlighting key rules, workflows, and interface considerations.
This article explains what payment chargebacks are, outlines the Visa chargeback workflow, details the most common dispute reasons, and provides practical solutions and preventive measures that merchants can implement to reduce chargeback risk and improve customer experience.
This comprehensive article explains the concept of aggregated payment, its basic principles, system architecture, product features, business models, advantages, risk points, merchant onboarding processes, payment routing, accounting, industry policies, and future development directions, providing a full picture of this emerging fintech solution.
This article demystifies installment payments by explaining the underlying asset‑backed securities, tracing the evolution of consumer finance through four development phases, outlining market operation models, detailing industry participants, and describing the product systems and manager roles that drive today's installment services.
This comprehensive guide explains what an electronic wallet is, outlines essential functions and transaction types, compares different wallet categories, and presents eight detailed industry‑specific wallet designs—from home‑service and delivery to pet e‑commerce, car rental, tourism, canteen, highway ETC, and offline entertainment—offering practical architecture and implementation advice.
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 explains why decimal division often leaves remainders in payment, discount, and fee scenarios and presents fourteen practical rounding methods—such as truncation, ceiling, bankers rounding, and remainder allocation—to achieve fair and precise financial settlements.
This article explains the concept of business‑finance integration, outlines three key perspectives—business activities, financial activities, and their fusion—introduces a five‑point model for implementation, and details how an accounting engine translates business data into standardized financial vouchers.
This article explores the architecture of global payment clearing, detailing the roles of SWIFT, CLS, and national systems across China, Hong Kong, the United States, Europe, the UK, Japan, Singapore, Korea, Russia, Australia, Mexico, Brazil, and the emerging multilateral CBDC bridge mBridge, illustrating how payments flow and settle worldwide.
