Blockchain for Organizing Effective Grass-Roots Actions on a Global Commons: Saving the Planet. - Jens Ducrée; Martin Etzrodt; Bert Gordijn; Max Gravitt; Sönke Bartling; Ray Walshe; Tomás Harrington (Frontiers Blockchain, 2020)

Open Platform Concept for Blockchain-Enabled Crowdsourcing of Technology Development and Supply Chains. - Jens Ducrée; Max Gravitt; Ray Walshe; Sönke Bartling; Martin Etzrodt; Tomás Harrington (Frontiers Blockchain, 2020)

Unchaining Collective Intelligence for Science, Research, and Technology Development by Blockchain-Boosted Community Participation. - Jens Ducrée; Martin Etzrodt; Sönke Bartling; Ray Walshe; Tomás Harrington; Neslihan Wittek; Sebastian Posth; Kevin Wittek; Andrei Ionita; Wolfgang Prinz; Dimitrios Kogias; Tiago Paixão; et al. (Frontiers Blockchain, 2021)