2016 - Berlin

Thanks to Microsoft, 1aim, Ethcore, Mozilla, QiTASC, Thoughtworks, Factor10, View Source Berlin, Asquera, Honeypot, OpenTechSchool, Coup, RRBone, and DrunkenRecords for their support.

2017 - Київ

Thanks to Bitfury, Mozilla, 1aim, Centricular, Clever Cloud, Samsung OSG, Asquera, Honeypot, Cosmopolitie, Ruby Meditation, RubyC, and IT KPI for their support.

2017 - Zürich

Thanks to Parity, Mozilla, 1aim, ThoughtWorks, Asquera, CoreDump.ch, and ETH Zürich for their support.

2018 - Paris

Thanks to Parity, Asquera, 1aim, Baidu, Bitfury, Clever Cloud, Inria, Mozilla, PingCap, rlay, rrbone, and Snips for their support.

2018 - Roma

Thanks to 1aim, Cryptape, Ferrous Systems, Mozilla, Parity, Baidu X-Lab, Kodebox, Threema, Mullvad, openSUSE, rrbone, and PingCap for their support.

2019 - Barcelona

Thanks to Parity, Red Sift, Nervos, Embark, Holochain, Mullvad, Microsoft, Centricular, Mozilla, openSUSE, and Ferrous Systems for their support.