- Movies.io, the Launch, SwissJeese, 2nd June 2012. Slides
- Scaling NodeJS webapps, JSGenève (JavaScript Meetup), September 25, 2012. Slides
- About the SNCB Leak, Café Numérique Liège, 23 Janvier 2013. Slides
- An introduction to RubyMotion, Geneva Ruby Brigade (Ruby Meetup), February 20, 2013. Slides
- Quick Intro about Tor , Fixme Cryptoparty, April 2013. Slides
- Axolotl, an asynchronous cryptographic protocol with perfect forward secrecy for long-lived sessions, Dahucon 2014. Slides
- Opsec for journalists, lessons learned from the Snowden Leaks, Cryptoparty Fribourg, May 2014.
- Usable Cryptography, IndieTech Summit, 4th of July 2014. Slides
- Signal, Citizen Lab Summer Institute, University of Toronto, July 2014
- Applications of the Jacobi method to lattice reduction, Laboratory for cryptologic algorithms EPFL, December 2014 Slides
- Revisiting the Cypherpunk Manifesto, Lift 2015. Slides
- Déploiements cryptographiques à large échelle, InnoVaud Connect, May
- Asynchronous messaging protocols, EPFL LCA, June
- Advances in Secure Messaging, Hack.lu, October
- Reflections on trusting Bitcode, ITSecX, November.
- (Open Source) Software Supply Chain Security, Fri Software Days, 1 February
- TEDx Brussels: Why master keys are making us less safe, 14 March
- Beating the trust out of the root of trust, InsomniHack, 18 March
- Messaging in Times of Surveillance, TU/e Security in Times of Surveillance, 26 May