Mastering Payment Systems: 300+ Hand‑Drawn Diagrams Simplify Complex Core Processes

This comprehensive guide uses over 300 original hand‑drawn diagrams to explain payment system core businesses, payment and settlement flows, cross‑border acquiring, information and fund flows, account design, bookkeeping, reconciliation, and related concepts, providing a clear, entry‑level understanding of the entire payment ecosystem.

bookkeepingfinancial systemspayment

0 likes · 46 min read

Mastering Payment Systems: 300+ Hand‑Drawn Diagrams Simplify Complex Core Processes

Chen Tian Universe

Mar 7, 2025 · Product Management

Designing Modern Checkout Systems: Architecture, Flow, and Real‑World Scenarios

This article explores the evolution, architecture, design preparation, processing flow, front‑end/back‑end considerations, configuration strategies, and diverse real‑world examples of checkout systems across medical, e‑commerce, entertainment, ETC, and gaming domains, highlighting how business needs shape payment experiences.

BackendPayment ArchitectureSystem Design

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Designing Modern Checkout Systems: Architecture, Flow, and Real‑World Scenarios

Top Architect

Nov 30, 2022 · Backend Development

Understanding the End-to-End Architecture of Chinese Internet Payments

This article walks readers through the complete point‑to‑point, end‑to‑end payment chain in China, using a JD.com purchase of Three Squirrels nuts as a concrete example to illustrate the roles of the cashier, order, transaction, payment, settlement, and accounting subsystems within a typical e‑commerce payment architecture.

ChinaPayment Architecturebackend systems

0 likes · 9 min read

Understanding the End-to-End Architecture of Chinese Internet Payments

360 Quality & Efficiency

Apr 23, 2019 · Operations

Comprehensive Guide to Payment Testing: Classification, Methods, and Test Points

This article provides a detailed overview of payment testing, covering payment classification, common testing methods such as functional, interface, and security testing, key test points for payment flow, amounts, methods, and coupons, and includes illustrative diagrams to help testers ensure reliable and secure transaction processes.

Software Testingfunctional testingpayment flow

0 likes · 7 min read

Comprehensive Guide to Payment Testing: Classification, Methods, and Test Points