On June 26th, I gave an introductory talk on #GNUTaler at Security in Times of Surveillance.
The talk was recorded, and if you're interested, you can watch it on YouTube:
https://youtu.be/_OSzuUMyjAI?si=Sxx5JbPxK2gCR3tn
Slides available at e.pioldi.net/taler-intro