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 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.
WeChat recently opened its WeChat Pay MCP, a Model Context Protocol that lets AI agents seamlessly accept payments, and this article walks through setting up the integration, showcases a health‑meal demo, discusses potential misuse scenarios, and warns of emerging security risks.
This article provides a comprehensive, step‑by‑step breakdown of the Cross‑border Interbank Payment System (CIPS), covering its participants, account architecture, liquidity management, operating schedule, risk controls, payment processing logic, and the latest rule changes that shape China’s international RMB settlement infrastructure.
China’s domestic foreign‑exchange payment system (CFXPS) is a nationwide, real‑time, multi‑currency settlement platform that, alongside other major payment systems, enables banks to trade foreign currencies, manage settlement accounts, confirm transactions, and execute PVP settlements through a structured clearing and settlement process.
A payment system suffered massive duplicate withdrawals worth over 8 million due to an account balance rollback during a global merchant ID migration, prompting emergency reconciliations and the implementation of stricter balance controls, self‑consistency checks, and regular ledger audits to safeguard fund security.
This article dissects the core principles and architectural patterns behind Chinese super‑payment platforms' settlement systems, covering transaction‑clear‑settlement flow, settlement modes, account models, system components, processing steps, and key performance indicators for handling trillions of yuan each day.
Alipay’s 2024 “Touch‑and‑Go” rollout, covering 400 cities and over 100 million users in just 321 days, illustrates a strategic shift from feature competition to a seamless, ultra‑low‑friction payment experience that challenges WeChat’s entrenched social‑payment ecosystem and reshapes user habits across the IoT era.
This article introduces four popular tools for creating architecture diagrams—ProcessOn, draw.io, PowerPoint, and an AI‑assisted PlantUML workflow—detailing their features, advantages, usage steps, and where to access each tool, helping readers choose the best solution for their needs.
