1. Small Payment Gateway Design Review Author: Wei Liu

2. Small Payment Gateway payment(s) Acquiring Bank mall Payment Gateway Small Payment Processing Requests Other Payment Processing Requests Existing Payment Gateway Consumer Merchant QSR / Coffee Mobile RFID Digital Convenience Vending Credit Card Debit Card Cross- Merchant Stored Value Issuing Bank

3. Architecture Real-time authorize and settle of small payments at the edge Massively distributable at the edge, thru Universal Aggregation & Cryptographically Secure Selection Feeds aggregated payment info to aggregation services Automated consumer self-service for each small payment transaction Enables merchant Settles aggregated payments Audits edge processing Authorizes consumer spending prepaid or postpaid Integrates with payment instrument: credit card, debit card, prepaid card, mobile payment Presents summary aggregated bill Edge Real Time (95%) Non-Real Time (5%) Secure edge authorization Consumer Experience Unchanged Payment Card Gateway Interface CSS settlement & audit records Aggregated settlement authorization