The aim of my thesis is based on theoretical knowledge gained from the literature and the analysis of the current state of supply chain of GEFCO SLOVAKIA s.r.o. identify potential supply chain weaknesses and to put into place measures that improve supply chain management by using blockchain technology. The first chapter focuses on acquiring the necessary theoretical knowledge about supply chain with emphasis on blockchain technology. The second chapter is dedicated to the analysis of the current state of supply chain and defines the identified supply chain shortcomings. The third chapter deals with the measures suggested to improve the current practice by implementation of blockchain technology into the supply chain of GEFCO SLOVAKIA s.r.o.. And in the last, fourth, chapter I evaluate these suggestions and draw a conclusion to my thesis.