Comprehensive principal engineering guide to card transaction processing models (SMS vs DMS), clearing file formats (Visa BASE II, Mastercard IPM), Merchant Discount Rate (MDR) economics, and Interchange++ vs Blended pricing.
Detailed explanation of core banking credit posting, funds availability, double-entry accounting, settlement risk, holds, and exception handling.
Deep architectural guide to off-us transaction processing in banking, the 4-corner payment model, clearing vs settlement mechanics, DNS vs RTGS liquidity models, and resilient interbank gateway design.
Complete guide to Real-Time Gross Settlement (RTGS) in Australia — RITS, HVCS, ESA management, liquidity, gridlock resolution, and high-value payment engineering.
How payment settlement works in Australia and globally — ESA accounts, RBA FSS, RTGS finality, DNS settlement risk, failed settlement handling, and Nostro/Vostro reconciliation.
