A Secured Smart National Identity Card Management Design using Blockchain

Importance of data security differs from sector to sector. However, data of sensitive nature are increasing day by day and thereby, it requires utmost attention towards the protection of data. Organizations from all over the world are getting involved to deploy the best cyber defense mechanism. Primary concerns for the organizations includes three common factors: people, processes, and technology. Smart national identity cards (smart cards) are immensely sensitive in nature. In Bangladesh, smart cards are being used for 22 services, which include banking, passports, driving licenses, etc. In addition, smart cards also hold bio-metric details for the cardholder such as retina scan, ten finger impressions, picture, and so on. Most of them are confidential data and prone to privacy breach. To address this issue, this paper propose a model for smart card management system using blockchain technology. In recent years, blockchain earned popularity among researchers to protect data from unlawful altercation. Adaptation of our proposed model will help the government of Bangladesh to secure citizens' private information and bring transparency on their information management. Furthermore, it will provide access control capability to citizens in case of third-party information access requests.