Sebastien Rousseau

CATEGORY

Payments & money

Rails, settlement, tokenisation, treasury programmability, and the economics of moving money.

22 tags

Tags in this category

  • ISO 20022 — 75 articles

    Wholesale and retail payments migration to ISO 20022 — pacs.008, pain.001, camt messaging, CBPR+, and the data-rich rail.

  • Cross-border payments — 31 articles

    FX, correspondent banking, multi-rail routing, G20 roadmap targets, and the cost-plus-speed dimensions of moving money across borders.

  • Stablecoins — 27 articles

    Issuance, reserves, redemption, regulation, and the role of stablecoins as a settlement asset alongside bank deposits.

  • Tokenised deposits — 27 articles

    Bank-issued deposit tokens, atomic settlement, programmable balance-sheet, and the policy framing around tokenised commercial bank money.

  • SWIFT — 9 articles

    Messaging, GPI, payment pre-validation, and SWIFT's evolving role in the multi-rail world.

  • CBPR+ — 7 articles

    Cross-Border Payments and Reporting Plus — the SWIFT ISO 20022 usage guidelines for correspondent banking.

  • Payments — 7 articles

    Broad coverage of payment systems, rails, and the economics of moving money — sits above the rail-specific canonicals as the catch-all editorial entry point.

  • Wholesale payments — 6 articles

    Interbank, large-value, market infrastructure payments — the wholesale side of banking infrastructure economics.

  • Open banking — 5 articles

    PSD2, PSD3, CMA9, FDX — open banking APIs, payment initiation, and the data-portability fabric.

  • pain.001 — 5 articles

    Customer payment initiation message — corporate payment factories, validation, and the migration off MT101.

  • Programmable liquidity — 5 articles

    Real-time treasury, intraday liquidity orchestration, programmable balance-sheet, and the agentic-treasury stack.

  • pacs.008 — 4 articles

    The customer credit transfer message at the heart of cross-border ISO 20022 — schema, validation, automation, and orchestration.

  • Treasury — 4 articles

    Corporate and bank treasury operations — liquidity management, cash forecasting, FX hedging, and the operating model that sits behind real-time treasury. The agentic / autonomous- treasury angle lives under the more specific ``programmable-liquidity`` canonical.

  • Decentralised finance — 4 articles

    DeFi protocols, smart-contract risk, on-chain liquidity, and where banks integrate (or intentionally don't) with the DeFi stack.

  • Real-time payments — 3 articles

    RTP, FedNow, SEPA Instant, UK Faster Payments — instant rail mechanics, liquidity, fraud, and pricing.

  • A2A payments — 3 articles

    Account-to-account rails, open banking payment initiation, and the agentic-payments use cases that ride them.

  • Payments automation — 3 articles

    Payment file creation, validation, exception handling, and the engineering side of payment ops.

  • Digital assets — 3 articles

    Tokenised assets, custody, settlement infrastructure, and the institutional adoption of digital-asset rails alongside traditional finance.

  • CBDC — 2 articles

    Wholesale and retail central bank digital currencies — design choices, project status, and the policy debate.

  • RTGS — 2 articles

    Real-time gross settlement systems — RTGS Renewal (UK), TARGET2/T2, Fedwire, and the operational windows banks integrate against.

  • Multi-rail — 2 articles

    Routing each payment by cost, finality, and liquidity — the multi-rail orchestration stack.

  • Agentic payments — 1 article

    AI agents initiating payments — consent, liability, fraud controls, audit, and the new payment UX.

Recent articles in Payments & money

PAYMENTS & MONEY

From Messages to Map: Building a Global Corporate Standard on ISO 20022 and Swift

The industry finally has a global language for payments. It still does not have a global map for corporates to act on it. ISO 20022 and Swift's CBPR+ harmonised what a payment must say, not how a corporate uses it — the missing interface and behaviour layers, and how banks can build a global corporate standard on the rails they already have.

APPLIED AI

From Fragmentation to Fault Line: Corporate Banking's Missing API Standard in the Agentic Era

Retail banking got its API standard a decade ago. Corporate banking never did — and now that AI agents and the Model Context Protocol have turned integration into a runtime decision, the gap has stopped being a nuisance and become a fault line. A concrete failure mode, the strategic choice it forces, and what a corporate banking API standard has to mandate.

APPLIED AI

Reading the Emerging-Technology Risk Horizon for Banks in 2026

Regulators have started scanning the horizon out loud. Reading the 2026 emerging-technology landscape for banks across three converging vectors — personalised AI intelligence, synthetic financial crime, and programmable finance — and a framework for turning weak signals into supervisory action before harm scales.

PAYMENTS & MONEY

Open Source, FINOS and the Cloud-Native CIB Stack

Morgan Stanley, JPMorgan and Citi are doubling down on FINOS and the Linux Foundation. A Rust-and-zero-dependency stack — noyalib, http-handle, hsh, KyberLib — shows what the cloud-native CIB stack looks like in 2026 under PSD3, FiDA and DORA.

PAYMENTS & MONEY

The Post-Quantum Banking Resilience Index in 2026: EO 14409, Global Deadlines, and Fiduciary Cryptographic Agility

Executive Order 14409, ANSSI's hard 2030 deadline and DORA Article 5 have moved post-quantum cryptography from a long-range technical goal to an active regulatory mandate. This index converts securing registries, high-frequency ledgers and SWIFT channels into a board-ready 0–5 scorecard that aligns ML-KEM, ML-DSA and SLH-DSA primitives with fiduciary liability and balance-sheet risk.

PAYMENTS & MONEY

Always-On CIB: Cyber Recovery, Fallback Rails and Quantum-Safe Treasury

Corporate and investment banks now treat cyber recovery, ISO 20022 fallback rails across RTGS, instant and tokenised networks, and quantum-safe treasury controls as one always-on operating model — the board-grade response to DORA Articles 5 and 6, FHE, QKD and PQC primitives, and ICT third-party concentration risk.

PAYMENTS & MONEY

The 2026 Global Payments Outlook: Operating Model, Risk, and Revenue in an Agentic, Invisible, Real-Time World

The 2026 global payments cycle is defined by three converging forces — agentic commerce, invisible embedded payments, and real-time execution — sitting on top of a tokenised unified ledger under Project Agorá and a hard November 2026 SWIFT structured-address cut-over. This piece synthesises the J.P. Morgan, Global Payments, HSBC and Payments Association 2026 outlooks into a four-pillar G-SIB operating model.

PAYMENTS & MONEY

Cross-Border 2026: ISO 20022, Open Finance and Tokenised Deposits in Corporate Treasury

Cross-border corporate treasury in 2026 is a multi-rail engineering problem. ISO 20022 is the common grammar, A2A and open finance under PSD3/FiDA are the customer-facing rail, tokenised deposits handle the wholesale settlement leg, and SWIFT still anchors the long tail. The interesting work is in the orchestration layer, not the model.

APPLIED AI

From Pain.001 to Programmable Liquidity: ISO 20022 as the Autonomic Nervous System of Treasury in 2026

ISO 20022 in 2026 is the autonomic nervous system of treasury. pain.001 and pacs.008 carry richer data than any MT message ever did. Nearly half of banks remain off-track for the November 2026 SWIFT MT/MX cut-over, structured addresses become mandatory, and agentic treasury cannot exist without MX-native APIs. This article maps the engineering reality, from CBPR+ validation rules to a real pain.001 fragment with PstlAdr fields.