Sebastien Rousseau
Àwòrán Sebastien Rousseau

Sebastien Rousseau

Securing the future of banking
with agentic AI
and post-quantum cryptography.

Àwọn ìsanwó Open-source, ààbò post-quantum, àti AI tí a lò fún àwọn iṣẹ́ ìnáwó.

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.

Kọ́ sí i

Security

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

Kọ́ sí i

Tooling

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

Kọ́ sí i

Ẹ̀rí

Nínú àwọn nọ́mbà.

45.7M Open-source downloads
672 GitHub stars
105 Sigstore-signed articles
19 Years in payments and banking
Isometric render of an illuminated processor, representing the cryptographic foundations of payments.

EPAA · September 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.