SURANJIT KOSTA. CONCERNS ABOUT DOUBLE SPENDING ATTACK IN BLOCKCHAIN’S SECURITY AND THEIR POTENTIAL SOLUTIONS. INTERNATIONAL JOURNAL OF INFORMATION TECHNOLOGY AND MANAGEMENT INFORMATION SYSTEMS (IJITMIS), [S. l.], v. 14, n. 1, p. 59–67, 2023. Disponível em: https://lib-index.com/index.php/IJITMIS/article/view/IJITMIS_14_01_007.. Acesso em: 5 oct. 2025.