IKU Vocational School Program of Air Logistics Head Lecturer Dr. Gökhan Kırbaç presented his paper titled " The Effect of the Blockchain Technology on Service Companies and Food Retailers: An Overview of the Blockchain Use Cases and Applications" at the "Global Conference on Services and Retail Management (GLOSERV 2021)" conference organized online by the University of South Florida in the USA on May 11-13, 2021.