WHITEPAPER · BANKING ARCHITECTURE
2026 Banking Architecture: A Framework for Operational Resilience
A three-pillar architectural framework for Tier-1 CIB and corporate treasury teams in 2026 — cryptographic stewardship (with a four-factor crypto-agility decision matrix and a NIST FIPS 203/204/205 post-quantum migration plan), ISO 20022 as the autonomic data substrate, and rail-agnostic multi-rail orchestration. Anchored on the RedCompass Labs 200-bank readiness survey and on peer-reviewed payments-economics literature (Kahn & Roberds 2009; Auer & Böhme 2020; Bech & Garratt 2017; Bernstein & Lange 2017), mapped across DORA, the Fed's SR 21-14, OCC heightened standards, MAS TRM, HKMA C-RAF, and APRA CPS 230. Agentic-AI governance overlaid on SR 11-7 with FSB 2017, BIS FSI Insights, ESMA 2023, and the EU AI Act 2024. Includes a three-phase implementation roadmap with stakeholder maps, vendor risk, staff retraining, plus a Decision Support section with a comparative posture matrix, a 10-item programme risk register, and an explicit Validation Status section that names the framework as a synthesis pending end-to-end pilot.