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 provides a comprehensive, illustrated guide to third‑party payment institutions, covering their product ecosystem, system layers, the five core business processes of collection, payment, refund, clearing and settlement, and the management of reserve‑fund centralized custody.
This article explains how a comprehensive budget management system helps enterprises allocate limited financial, material, and human resources efficiently by defining processes, integrating with travel, expense, HR, and procurement systems, and providing real‑time control, data synchronization, and balance reporting to support strategic objectives.
The article categorizes global payment methods by continent and country, analyzing wallet, internet, mobile, card, prepaid, cross‑border, POS, offline and other payment dimensions, and presents visual breakdowns for Asia, Europe, and the rest of the world.
This article explains how product managers can distinguish genuine needs from superficial feature requests, uncover underlying pain points, quantify expectations, and define clear success metrics, using practical examples like a customer asking for an ice cream versus needing temperature relief.
This article provides a comprehensive overview of credit lending, detailing the roles of borrowers, platforms, and funders, exploring B‑ and C‑side market scenarios, various cooperation and financing models such as self‑operated loans, assisted lending, joint lending, factoring, bill discounting, and receivable‑backed securities, while also addressing associated risks and mitigation strategies.
This article provides a comprehensive overview of payment clearing and settlement, detailing the architecture of clearing subsystems, object relationship models, billing rule engines, settlement processes, various settlement modes, and the full accounting flow that ensures accurate fund distribution across platforms and merchants.
This article explains how a unified accounting core architecture, driven by business systems and illustrated with concise diagrams, manages transaction recording, voucher generation, fund handling, and document chains across payment, settlement, and reconciliation processes.
This article explains the concept of reverse transactions, outlines the factors influencing refund operations, and details the design of a dedicated refund center, including its product architecture, processing flow, document structure, channel configuration, and the special "refund‑to‑payment" mechanism for out‑of‑time refunds.
The article reveals why most account designs get trapped by tightly coupling business transaction states with ledger entries, explains the pitfalls of updating massive historical records, and proposes a decoupled, pure‑account approach that treats each state change as an immutable accounting event.
This article explains the architecture and processes of transaction and order systems, covering transaction models, system components, billing, forward and reverse flows, and the distinction between transaction and payment systems, providing a comprehensive guide for building robust payment solutions.
