You are a software architect building a daily fantasy sports platform where users enter contests for a single day of games. The system must handle rapid contest creation and settlement. Design: 1) Contest creation and management, 2) User lineup creation, 3) Live scoring and leaderboards, 4) Payment processing (entry, payout), 5) Game and player data integration, 6) Fraud detection, 7) Notifications, 8) Scalability for multiple contests, 9) Reporting and analytics, 10) Compliance. Provide component diagrams.