Blockchain technology is considered a game changer. Perfect for enhancing your current computer system in many ways. As one of the network-enabled technologies, cloud computing has been widely adopted in the industry through various cloud service models. In terms of functionality and performance, the combination of blockchain technology and existing cloud systems has a great potential. This study addresses the issue of combining blockchain and cloud computing and examines recent efforts in the technological convergence of blockchain and cloud. There are roughly two technical aspects to this work. This works and both access control and searchable encryption schemes are evaluated.