Author analyzes the possibilities of using blockchain technology in pharmaceutical sphere with the purpose of detection of copyright and poor-quality medicinal products and discusses the legal acts concerning the use of this technology.Author examines the grounds for Watch Bands the legal provision of blockchain technology in pharmaceutical sector in order to protect the rights of patients.The necessity of legal regulation of the use of blockchain Waterers technology by private parties is substantiated taking into account the private legal nature of this system.The mechanism of application of this technology in pharmaceutical activity is revealed.