Sebastien Rousseau
Schwarz-Weiß-Porträt von Sebastien Rousseau

Sebastien Rousseau

Die Zukunft des Bankwesens
mit agentischer KI
und Post-Quanten-Kryptografie sichern.

Open-source payments, post-quantum security, and applied AI for financial services.

Soft natural light over a modern architectural space, representing dependable financial infrastructure.

What I build

Open Source für die Zukunft der Finanzwelt.

Payments

ISO 20022, end to end: pain.001, pacs.008, camt.053, and acmt.001. Adopt one library at a time.

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Security

Post-quantum primitives: ML-KEM (CRYSTALS-Kyber, NIST FIPS 203) and hashing, ready to pilot today.

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Tooling

Audited Rust libraries and a code security scanner, signed and shipped with a software bill of materials.

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Proof

By the numbers.

37.1MOpen-source downloads
663GitHub stars
84Sigstore-signed articles
19Years in payments and banking
Isometric render of an illuminated processor, representing the cryptographic foundations of payments.

EPAA · September 2025

Warum die Zahlungsverkehrsbranche jetzt handeln muss.

Regulators are treating harvest-now-decrypt-later as a credible present risk. This paper, produced for the Emerging Payments Association Asia, sets out the structural threat and the case for coordinated action across wholesale payment rails.

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Aktuell

Aus dem Büro.

Abstract horizon of converging signal lines — AI, synthetic media, and programmable-money rails resolving over a banking skyline, evoking a supervisory scan of emerging-technology risk for financial services in 2026
Emerging Technology · Horizon Scanning · FCA

Reading the Emerging-Technology Risk Horizon for Banks in 2026

TL;DR Eine originäre Lesart des Risikohorizonts aufkommender Technologien für Banken 2026 — personalisierte KI-Intelligenz, synthetische Finanzkriminalität und programmierbare Finanzen — mit einem Signal-zu-Aufsicht-Rahmenwerk, gestützt auf den Technology Horizon Scan 2026 der FCA.