Sebastien Rousseau
Àwòrán Sebastien Rousseau

Wholesale Payments & AI Leader · Author of the EPAA Quantum-Safe Payments Paper · Creator of 179 open-source packages

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.

Kà gẹ́gẹ́ bí…

Tailor the page order and highlights for your role.

# 1. Validate ISO 20022 pacs.008.001.10 (pip install pacs008)
pacs008 -t pacs.008.001.10 -m template.xml -s schema.xsd -d payments.csv --dry-run
✓ Schema validation passed
✓ Data validation passed (1 payment records)

# 2. Verify NIST FIPS 203 ML-KEM-768 KEM (cargo add kyberlib)
cargo test -p kyberlib --test test_kem
✓ test keypair_encap_decap ... ok
✓ test result: ok. 9 passed; 0 failed; finished in 0.01s

# 3. Verify live CycloneDX SBOM provenance (SLSA / Sigstore)
curl -sSLO https://sebastienrousseau.com/sbom.cdx.json && gh attestation verify sbom.cdx.json --owner sebastienrousseau
✓ Loaded 1 attestation from GitHub API (slsa.dev/provenance/v1)
✓ Verification succeeded!
ISO 20022 · SWIFT CBPR+ NIST FIPS 203 (ML-KEM) CycloneDX 1.6 + Sigstore

What I build

Open-source foundations for wholesale finance.

Tooling

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

View the tooling

Ẹ̀rí

Nínú àwọn nọ́mbà.

51.2M All-time downloads
3.7M Downloads, last 30 days
707 GitHub stars
179 Packages published

Most downloads come from transitive dependencies in CI/CD pipelines and production services across PyPI, crates.io, and npm · Updated .

Iṣẹ́

Àwọn ibi tí mo ti ṣiṣẹ́.

Ó fẹ́rẹ̀ẹ́ tó ọdún ogún ti ìdarí inú-ilé nípa ìsanwó àti ọjà díjítà ní HSBC, PayPal, Barclays, Shazam, AKQA, àti Virgin Group.

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 (PDF)

Ka ìwádìí tuntun

From the desk.