1. Santa Fe Institute, Santa Fe, NM, USA
2. Instituto de Investigaciones Filosóficas, Sociedad Argentina de Análisis Filosófico, Buenos Aires, Argentina
3. Instituto de Sistemas Complejos de Valparaíso, Valparaíso, Chile
4. Blockchain and Distributed Ledger Technologies Group, Institute of Informatics, University of Zurich, Zurich, Switzerland
5. Instituto de Pesquisa Econômica Aplicada, Brasília, Brazil
6. National Council for Scientific and Technological Development, Brasília, Brazil