A REVIEW ON APPLICATION OF BLOCKCHAIN TECHNOLOGY IN HEALTHCARE INDUSTRY TO PURSUE COVID 19 CHALLENGES. International Engineering Journal For Research & Development, [S. l.], v. 6, n. NCTSRD, p. 6, 2021. DOI: 10.17605/OSF.IO/RN4EQ. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/2483. Acesso em: 30 sep. 2026.