Update academic-nordic-blockchain-2025.md (#65)

Added registration form

Author: sofiabobadilla

academic-nordic-blockchain-2025.md

@@ -12,11 +12,13 @@ Welcome to the KTH Academic Nordic Blockchain Workshop, side event of [Nordic Bl
 
 The goal of the event is to provide a forum for researchers and practitioners who are advancing blockchain technology. 
 
+
 **Would you like to speak?** Please reach out to [email protected]
 
 * Location: [KTH Campus, E-Huset, room 1440 Henrik Ericsson, floor 4](https://www.kth.se/places/room/id/e6d61e30-d6c4-48e4-b6d4-4ee5ed784ff5)
 * Date: June 17th, 2025
 * Time:17h-19h
+* Registration is free of charge but compulsory for the sake of fika planning. [Register Here 😄]( https://www.kth.se/form/683044a7abf5039dd6c4c525)
 
 ## Program