Writing a Core Banking PRD: Developer & PM Handbook
📖 Bản tiếng Việt (Vietnamese Edition) Prerequisite: Read Part 7: Build a Mini Core Banking System for ledger engine mechanics. Writing a Core Banking PRD: Developer & PM Handbook Answer-first: Writing an enterprise Core Banking Product Requirements Document (PRD) requires defining explicit mathematical balance invariants ($\sum \text{Debits} = \sum \text{Credits}$), cryptographic audit trail specifications, Maker-Checker dual authorization matrices, and End-of-Day (EOD) batch processing SLAs. Codifying non-functional availability constraints (Five Nines 99.999%, RPO = 0, RTO < 30s) and ISO 20022 message mappings ensures seamless alignment between product managers, software architects, compliance officers, and regulatory central bank auditors. ...