Blockchain for more sustainable value chains : realistic scenario or barking up the wrong tree? An assessment based on the example of the garment sector. : sector network assets for Asia, sustainable economic development in Asia / giz, Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH ; coordinated by: Silke Peters (sectoral project sustainability standards and public-private responsibility, GIZ Bonn), Sebastian Berwanger (Competence center for economic policy and private sector development, GIZ Eschborn) ; text Andreas Freitag - Senior Manager and Blockchain lead at Accenture, Miriam Weber - Manager and Blockchain Consultant at Accenture