Sebastien Rousseau
Zwart-witportret van 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.

Open-source betalingen, post-quantum beveiliging en toegepaste AI voor financiële dienstverlening.

Lees als…

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 voor de toekomst van financiën.

Tooling

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

View the tooling

Bewijs

In cijfers.

51.6M All-time downloads
3.7M Downloads, last 30 days
715 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 .

Loopbaan

Waar ik heb gewerkt.

Bijna twee decennia in-house leiderschap in betalingsverkeer en digitale producten bij HSBC, PayPal, Barclays, Shazam, AKQA en Virgin Group.

Isometric render of an illuminated processor, representing the cryptographic foundations of payments.

EPAA · September 2025

Waarom de betaalsector nu moet handelen.

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)

Recent

Van het bureau.