Andi, A., Juliandy, C., Robet, R. and Pribadi, O. 2022. Securing Medical Records of COVID-19 Patients Using Elliptic Curve Digital Signature Algorithm (ECDSA) in Blockchain. CommIT (Communication and Information Technology) Journal. 16, 1 (Mar. 2022), 87-96. DOI:https://doi.org/10.21512/commit.v16i1.7958.