Zenin, Sergey, Dmitry Kuteynikov, Osman Izhaev, and Ivan Yapryntsev. “Applying Technologies of Distributed Registries and Blockchains in Popular Voting and Lawmaking: Key Methods and Main Problems”. Amazonia Investiga 8, no. 20 (June 25, 2019): 330–339. Accessed September 15, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/147.