45:35

System Design Interview: TikTok architecture with @sudocode

36:41

System Design: TINDER as a microservice architecture

9:38

How UPI Works: Real-Time Payments in India | Paypal | Zelle

46:47

Payment Gateway - All you need to know! - Yadvendra Tyagi, PayU

1:44:13

System Design of Payment Gateway

20:58

UPI - Unified Payments Interface - A Primer

45:23

System Design Interview: Architecture of Amazon, Flipkart like e-commerce system with @gkcs

25:41

System Design of a Delivery System like Zomato with @KeertiPurswani