Sebastien Rousseau

CATEGORY

Applied AI

Generative AI, agentic systems, governance, and the LLM tooling that lands in banking workflows.

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  • AI — 67 articles

    Applied AI in financial services — model deployment, governance, AI agents, LLM tooling, and the AI infrastructure that runs in banking environments.

  • Agentic AI — 7 articles

    Autonomous AI agents in payments, treasury, and back-office banking — consent, liability, audit trails, and protocol interoperability.

  • LLM — 5 articles

    Large language models in financial workflows — fine-tuning, RAG, prompt engineering, on-device LLMs, and inference cost economics.

  • AI governance — 5 articles

    Model risk, EU AI Act conformity, NIST AI RMF, board-level accountability, third-party AI vendors, and the compliance stack for AI in banks.

  • Generative AI — 2 articles

    Generative models for banking — code, content, search, simulation — and the engineering required to ship them safely.

Recent articles in Applied AI

APPLIED AI

CloudCDN: An Open-Source Blueprint for the AI-Native Edge in 2026

CloudCDN is an open-source blueprint for the AI-native edge — a zero-trust MCP gateway with 42 tools, atomic Durable Objects rate limiting, WebAuthn passkeys, signed URLs, SLSA Level 3 provenance, and 3,185 tests at 100% coverage, mapped to DORA, BCBS 239, and Basel III.

APPLIED AI

The Wholesale Payments Index in 2026: ISO 20022, Tokenised Deposits, Real-Time Rails, and Cross-Border Settlement

An index framework for measuring wholesale-payments readiness in 2026: ISO 20022 structured-address compliance ahead of SWIFT's November 2026 milestone, tokenised-deposit settlement, BIS Project Agorá cross-border atomicity, real-time rail orchestration, and liquidity efficiency. Four percentages — structured-data completeness, rail-routing optimality, settlement-finality lag, and Agorá-corridor coverage — turn payment-operations posture into supervisory-ready evidence.

APPLIED AI

The Cloud Native Banking Index in 2026: DORA, Platform Engineering, Sovereign Cloud, and Operational Resilience

An engineering blueprint for cloud-native banking in DORA audit phase. Five platform-engineering primitives — Kubernetes paved roads, Backstage portal, GitOps via ArgoCD, Open Policy Agent admission, OpenTelemetry end-to-end — produce Article 8 register evidence at the speed of the pipeline. Tested exit-execution annually for CTPP-dependent CIFs against BIA-derived RTO targets. Sovereign-cloud options (AWS European Sovereign Cloud, Microsoft EU Data Boundary, Bleu, Thales / S3NS) addressed as engineering decisions, not branding.

APPLIED AI

The Quantum-Safe Banking Index in 2026: Post-Quantum Cryptography, QKD, Crypto-Agility, and Harvest-Now-Decrypt-Later Risk

An index framework for measuring quantum-safe banking readiness in 2026: cryptographic bill of materials, hybrid TLS deployment, NIST FIPS 203 / 204 / 205 migration progress, crypto-agility primitives, and harvest-now-decrypt-later exposure across long-lived confidential data. The Board-Level Quantum Scorecard defines four exact percentages — inventory completeness, HNDL exposure, NIST migration progress, crypto-agility readiness — that turn project statuses into supervisory-ready evidence.

APPLIED AI

The Agentic AI Index for Banks in 2026: Measuring Autonomy, Governance, Auditability, and Business Impact

An engineering blueprint for agentic AI in tier-1 banks: classify by permissions not intelligence, treat every production agent as an SR 11-7 / SS1/23 model from day one, and build the five-component control plane — OAuth-scoped service accounts, deterministic semantic routing, OPA policy gates, immutable WORM audit logs, and a tested kill switch — that turns autonomous workflows into auditable evidence.

APPLIED AI

Post-Quantum Payments Infrastructure: Why Banks May Replace Rather Than Retrofit Legacy Rails

Harvest-now-decrypt-later turns today's TLS-protected payment messages into tomorrow's decrypted exposure. ML-KEM and ML-DSA are an order of magnitude larger than the RSA and ECC keys legacy rails were sized for — retrofit triggers fragmentation, latency, and HSM exhaustion. The 2026 architectural decision is whether to patch or replace before the regulatory clock runs out.

APPLIED AI

Wholesale Digital Markets in the UK: Tokenised Gilts, Settlement, and the New Champion Role

The UK Wholesale Digital Markets Champion role makes tokenised gilts, DLT-based settlement, and digital wholesale finance a national competitiveness project. The 2026 strategic question for banks is design discipline — which tokenised assets sit on which platform, how settlement risk is evidenced, and how to defend the City's wholesale role against Singapore, Switzerland, and Frankfurt.

APPLIED AI

ISO 20022 After Migration: Turning Payment Data into Banking Products in 2026

ISO 20022 after migration is not a project closeout — it's the start of a data-product opportunity. Structured addresses, purpose codes, invoice details, and rich status events become reconciliation, fraud, liquidity, and compliance products. The 2026 question is design discipline: which payment data carries which client workflow, priced for which corporate.