Solutions • Consultancy • Seminars

Blockchain / DLT • Cryptography • Privacy


Kristof has a theoretical and practical background in cryptography, privacy improving technologies (PETs), and distributed ledger technology. Professionally, he devises new, innovative privacy-friendly & secure solutions, reviews proposals and advises companies. He is also a professional speaker and writer.
Years before Bitcoin, Kristof was doing scientific research at the University of Leuven on cryptographic solutions with strong privacy and security properties (e.g. confidentiality). He developed i.a. zero-knowledge proofs. Later, when working for Belgian government agencies, practical feasibility also gained importance.
Kristof is a creative, solution-oriented engineer & scientist with both feet in reality. His objectivity & thorough analysis stimulate the adoption of promissing directions & prevent wasting time & money on dead-ends. Thanks to deep roots in theory and practice, he is seen as a stable reference point, able to whitstand hype hurricanes.
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Upcoming talks

Blockchain Lessons
the Government Field

Talk at Infosecurity
Brussels Expo

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Latest articles

BeSure - A realistic blockchain case for the Belgian government

Smals Research devised and developed in detail a blockchain application in the first half of this year. A comprehensive analysis was made, as well as a working proof of concept. This blog post explains the business case and approach at a high level. ... Continue reading →

Blockchain & distributed trust - Part 2/3: transparency & confidentiality

Part 1 in our series dealt with the possibilities of blockhain on a conceptual level. Part 2 discusses what blockchain can do for you: protecting data and enforcing rules (including transferring assets). Can blockchain do this without compromise? ... Continue reading →

Blockchain and distributed trust - How do they relate? (part 1/3)

You know them, those psychological tests where you hear or see something and you have to spontaneously say what comes in mind. When you hear "distributed trust", most readers will answer "Blockchain" with confidence. But what exactly is the relationship between blockchain and distributed trust? Is blockchain ... Continue reading →

Linking Together Personal Data in the Era of Big Data & GDPR

In May 2018, the much-discussed GDPR will be enacted. Besides identified data and anonymous data, the European regulation introduces a new category of data, called pseudonymous data. This articles presents an approach, based on cryptographic pseudonyms, that can help governments to become GDPR ... Continue reading →
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