--- - |2 This special section shifts analytical attention onto efforts undertaken by dispersed sets of actors operating in online communities to mobilize a novel internet‐based technology that mysteriously appeared at the height of market volatility in 2008. Applications of blockchain technologies and the challenges presented to longstanding patterns of financial globalization are analysed by a group of scholars with backgrounds in anthropology, political science and sociology. This introductory article first elaborates what blockchain technologies consist of before foreshadowing the insights that the following interdisciplinary investigations yield for comprehending the implications that technological changes pose for global finance specifically and globalization more generally. - 'Global Networks, EarlyView. '