Federal Councillor Johann Schneider-Ammann opens the Blockchain Summit in Zug on April 26th By | 21. April 2018 | 0 Federal Councillor Johann Schneider-Ammann opens the Blockchain Summit in Zug on April 26th Posted in News Leave a Comment Name (required) Email (will not be published) (required) Website Comment Hier klicken, um das Antworten abzubrechen.