HackaTown: The IoT Interoperability Hackathon L'Hospitalet de Llobregat, Spain Co-create virtual interoperable IoT smart city applications $12,500 in prizes Oct 17 – 18, 2018 53 participants
HackUPC Winter 2017 Barcelona, Spain BarcelonaTech's collegiate Hackathon. 500 hackers. 36 hours. Dream it. Hack it. Ship it. Non-monetary prizes Mar 3 – 5, 2017 255 participants
Junction 2016 Ten Tracks. 1000+ Hackers. Come Hack the Future. $595,592 in prizes Nov 25 – 27, 2016 998 participants
