Sebastien Rousseau
Àwòrán Sebastien Rousseau

Sebastien Rousseau

Dídáàbò bo ọjọ́ọjọ́ ifowopamọ́
pẹ̀lú àkànpọ̀ AI
àti ìfọ̀rọ̀-ìkọ̀kọ̀ lẹ́yìn-quantum.

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 for the future of finance.

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 · septembre 2025

Why the payments industry must act now.

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.

Read the white paper

Ka ìwádìí tuntun

From the desk.

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 Kíkà ìpilẹ̀ṣẹ̀ ti ojú-ọ̀run ewu àwọn ìmọ̀-ẹ̀rọ tí ń yọjáde fún àwọn báńkì ní 2026 — ọgbọ́n tí AI ṣe ní ti ara ẹni, ìwà ọ̀daràn ìnáwó roba, àti ìnáwó tí a lè ṣètò — pẹ̀lú ìlànà àmì-sí-ìbójútó, tí ó gbáralé Technology Horizon Scan 2026 ti FCA.

Abstract distributed-ledger lattice resolving into a certified audit spine — visualising the shift from retrospective entity audits to continuous, cryptographically-verifiable blockchain assurance for wholesale banking
Agentic AI · AI Governance · Banking

The Agentic AI Index for Banks in 2026: Measuring Autonomy

TL;DR Àtọ́ka Blockchain tí a Fọwọ́sí 2026 ń fún àwọn báńkì ní Àwòṣe Ìdàgbà Agbára onípele-márùn-ún láti fọwọ́sí ìṣàkóso ìwé-àkọsílẹ̀ pínpín, ìdúróṣinṣin ìfohùnṣọ̀kan, ìṣírò, ìdánilójú àdéhùn ọlọ́gbọ́n, àti agbára-àkíyèsí àyẹ̀wò ní ìlòdì sí DORA, PFMI ti CPMI-IOSCO, ISO/IEC TC 307, ISO 42001, àti Basel III.