Doszhanov Б. BLOCKCHAIN TECHNOLOGY AND BITCOIN CRYPTOCURRENCY: HOW IT WORKS AND FEATURES. Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences, Almaty, Kazakhstan, v. 69, n. 1, p. 314–318, 2021. Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/194. Acesso em: 14 dec. 2025.