K. ANJU ARAVIND, B. RAVINDRA NAIK, CH. SIVA CHENNARAO1. Combined Digital Signature with SHA Hashing Technique-based Secure System: An Application of Blockchain using IoT. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 13, n. 03, p. 402–418, 2022. DOI: 10.17762/turcomat.v13i03.13008. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/13008. Acesso em: 9 may. 2024.