Beyond Hackathon was a FinTech Hackathon, organized by Eurobank between 17/03 - 19/03. The event attracted 38 teams from more than 5 countries.
I participated with Stavros Tsourlidakis and Dimitris Barmpakos.

More about our progress and experience in Stavros's post available at https://stsourlidakis.com/blog/beyondhackathon-2017/.