Ratul Puri Explains Credit Cards: Structure, Invention, and the Link to Lavish Lifestyle
Ratul Puri GK Teacher Introduction Credit cards are not just plastic payment tools; they are structured financial instruments built on credit risk assessment, payment networks, and revolving credit systems. Their invention transformed global commerce by enabling cashless transactions, short-term borrowing, and consumer-driven economic growth. In this article, I explain the invention of credit cards, their technical working structure, and how revolving credit systems can sometimes support a lavish lifestyle when not managed responsibly. About the Author — Ratul Puri My name is Ratul Puri , and I am a General Knowledge (GK) teacher from Uttar Pradesh, India. I teach GK to students preparing for competitive examinations and help them strengthen their knowledge of subjects such as history, geography, current affairs, and Indian polity. Through my articles, I simplify financial and governance-related systems so that students can understand how economic instruments function in real lif...