Sebastien Rousseau
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Sebastien Rousseau

Artikelen over AI, post-kwantumcryptografie, ISO 20022 en de toekomst van het betalingsverkeer.

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Six-pillar cloud architecture diagram for 2026 — AI-native, multi-cloud, serverless, edge, DevSecOps, and sustainable design, with CloudCDN edge research overlay
Cloud · AI-Native · Post-Quantum

De beste cloudinfrastructuur-architectuur 2026: een AI-native, multi-cloud en kwantumbewuste blauwdruk voor financiële dienstverleners

· Sebastien Rousseau

Cloud architecture has crystallised around six pillars and one strategic question for banks: whether to consume cloud or design it — under converging pressure from agentic commerce, agentic unit economics, harvest-now-decrypt-later quantum risk, MCP security, cryptographic agent identity, and the legacy estate that still consumes 70–75% of financial-services IT spend.

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Agentic engineering architecture diagram for banks — spec-driven AI agents, governance control plane, quantum-safe substrate, and legacy mainframe modernisation flows
Applied AI · Governance · Engineering

Agentic engineering voor banken: blauwdruk 2026

· Sebastien Rousseau

70% of banks now use agentic AI in some form; only one in five has a mature governance model. With the EU AI Act high-risk deadline twelve weeks away and autonomous adversaries operating at machine speed, this is the engineering and governance position a bank needs to hold.

Open vault door framed by gold light — visual metaphor for cryptographic protection of financial records
Post-Quantum · Treasury · Governance

Het grootboek beveiligen: post-kwantummigratie in corporate finance

· Sebastien Rousseau

Quantum risk has moved from research curiosity to active regulatory mandate. With the G7 roadmap published in janvier 2026 and BIS Project Leap proving feasibility in live payment systems, the board-level question is no longer whether to migrate.

Cross-border payment message structured-address diagram with TwnNm and Ctry highlighted
ISO 20022 · Payments · CBPR+

ISO 20022 pacs.008: de deadline voor gestructureerde adressen

· Sebastien Rousseau

From novembre 2026, SWIFT CBPR+ rejects unstructured postal addresses in cross-border payment messages. Six months out, 65% of pacs.008 messages still ship non-compliant addresses and 44% of banks remain behind on the remediation programme.

Quantum computing circuit board with blue light patterns
Quantum

Quantum Thresholds Are Moving Again

· Sebastien Rousseau

Een nieuw paper suggereert dat het algoritme van Shor al met slechts 10.000 qubits zou kunnen draaien. De drempel voor cryptografisch relevante kwantumcomputing daalt snel.

The DTT (DateTime) Rust library logo
Open source · Rust

Datum en tijd in Rust beheersen met de dtt-bibliotheek

· Sebastien Rousseau

DateTime (DTT) is a comprehensive Rust library for parsing, validating, manipulating, and formatting dates and times. With high precision and broad functionality.

Computer screen with trades
Blockchain

De ERC-20-tokenstandaard

· Sebastien Rousseau

Ethereum Token Interface. Understanding ERC-20, which allows for the implementation of a standard API for tokens within smart contracts.

Computer and mobile screens with trades
Blockchain

De technologie achter blockchain begrijpen

· Sebastien Rousseau

Building a cryptocurrency on the Ethereum Blockchain: a comprehensive guide to blockchain development, tokenisation and cryptocurrency implementation.