A survey on blockchain security for cloud and IoT environment

In traditional Internet of Things (IoT) ecosystems, fog devices transmit data from sensors to a centralized cloud server. Issues with security and upkeep while updating firmware for millions smart devices, single points failure, as well third-party Cloud server administration, the difficulty frequently on presents maintenance issues bottleneck in information flows, all raise privacy concerns. Blockchain technology eliminates need trusted third parties also preventing failure other issues. As result, academics are looking into usage blockchain IoT space. The most recent state-of-the-art developments IoT, Cloud, eHealth, cities, transportation, programmes examined this article.