AcknowledgmentsIntroduction -- Cause -- The sharing economy, market economies and gift economies -- Digital foundations : laying the tracks -- The new institutions : understanding platforms -- Blockchain economies : the crowd as the market-maker -- Effect -- The economic impacts of crowd-based capitalism -- The shifting landscape of regulation and consumer protection -- The future of work : challenges and controversies -- The future of work : what needs to be done -- Concluding thoughts -- Notes -- Index.