Designing a global payments engine is one of the ultimate challenges in system architecture. As part of our System Design Series, I hosted a session on how to build a platform like PayPal from scratch.
Building payment systems requires precision and security. I walked through the system architecture, database schema designs, ledger management, and strategies for global scalability.
Key Takeaways:
- Double-Entry Bookkeeping: Designing database schemas for reliable financial ledgers.
- Transaction Concurrency: Managing locks and race conditions to avoid double-spending.
- Global Availability: Structuring database replication and data storage across cloud zones.
- Fraud Detection: Integrating real-time transaction screening models.
View the Presentation
- Watch the Video: Watch the recording on System Design Series
Watch the full system design session on YouTube to see the architecture drawings and database schemas.