Author Archives: Kristof Verslype

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About Kristof Verslype

Kristof obtained a PhD in engineering sciences at the KU Leuven with research on cryptographic protection of privacy with zero-knowledge proofs. In this context, he won the best paper award at the International Conference on Security and Cryptography (SECRYPT). In 2011, he joined the research department of Smals, an IT service provider for the Belgian public sector. His current domains are privacy-enhancing technologies, post-quantum cryptography, crypto-agility and advanced identifier pseudonymisation. Kristof frequently gives talks about these topics and is author of several books on blockchain. In 2024, he was nominated for the Privacy Professional Award by Belgium's Cyber Security Coalition. In 2025 the Blinded Pseudonymization Service he co-developed for Belgium’s eHealth-platform received the runner-up (2nd) Award issued by Cybersec Europe for Best Cybersecurity Innovation Europe.

Interests: Privacy, security, applied cryptography, distributed trust, blockchain, smart contracts

Email: kristof.verslypeblah [at] blah blahsmals.be

List of documents :

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List of blog posts :

Expériences avec la Crypto Policy as Code

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La politique de cryptographie en tant que code ou Crypto Policy as Code (CPaC) est un principe très récent qui permet de respecter automatiquement les recommandations en matière de cryptographie. Cet article vise à concrétiser nos idées concernant la CPaC. Une représentation des politiques cryptographiques en JSON est proposée et utilisée à titre de base pour quelques expériences. Continue reading →

Experimenten met Crypto Policy as Code

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Crypto Policy as Code (CPaC), is een erg jong principe dat ons in staat stelt aanbevelingen met betrekking tot cryptografie op een automatische wijze na te leven. Dit artikel maakt onze ideeën rond CPaC meer concreet. Een representatie van cryptografische policies in JSON wordt voorgesteld en gebruikt als basis voor enkele experimenten. Continue reading →

Contrôlez votre identité numérique grâce aux titres numériques anonymes

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Grâce aux titres numériques anonymes, les citoyens peuvent partager des informations personnelles de manière sélective. De quoi s’agit-il, où en sommes-nous aujourd’hui et quels sont les obstacles à son adoption ? Continue reading →

Controle over je Digitale Identiteit met Anonieme Credentials

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Dankzij anonieme credentials kunnen burgers selectief informatie over henzelf prijsgeven. Het is een technologie waar reeds enkele decennia aan gewerkt wordt met heel wat potentieel. Wat is het, waar staan we vandaag en wat zijn de obstakels voor een verdere adoptie? Continue reading →

Runner-up for Cybersecurity Innovation Europe Award

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Smals Research is at the cradle of eHealth’s blind pseudonymization service. This innovation came in a very creditable second place this year at the prestigious Best Cybersecurity Innovation Europe awards, presented by Cybersec Europe in the presence of Prince Laurent. The jury praised the service for its innovative, practical and Belgian character, the simplicity of the solution and the potential to use it elsewhere. We publish our submission in full that led to this beautiful achievement. Continue reading →