thanks, there's also an official report. have never heard about even one of those exchanges. 

https://www.bka.de/DE/Presse/Listenseite_Pressemitteilungen/2024/Presse2024/240919_PM_finalexchange.html

https://www.finalexchange.de/en
 

 Thank you!! I'll read it carefully later. 👍🏻