--- Transfert: Fingerprint: Protocol: Money: from: to: amount: currency: Stamps: - operation: from: to: date_time: Hard-Software: from: to: quality: quantity: Stamps: - operation: from: to: date_time: Service: Provider: provider_id: label_from: label_service: label_to: Stamps: - operation: from: to: date_time: Notes: - operation: note: datetime: agent: ...