Abstract: By enabling on-demand access to computer resources and services through the internet, cloud computing has completely transformed the IT sector. Yet, because of the centralised architecture of cloud services, the security and privacy of data have grown to be significant issues. Blockchain technology has been suggested as a potential remedy to address these problems by offering a secure and decentralised foundation for cloud computing. This review article overviews current work on a blockchain-based integrated architecture for preserving security in cloud computing. This study examines the many elements of the integrated architecture, such as security standards, blockchain technology, and cloud computing. The survey also examines the various methods for integrating permissioned and permissionless blockchains, smart contracts, and consensus mechanisms into cloud computing. The study research also covers the benefits and difficulties of incorporating blockchain technology into cloud computing, including interoperability, scalability, and data protection. The report also provides a comparative review of the current methods for cloud computing integration of blockchain technology based on several factors including security, performance, and cost-effectiveness. The survey paper's conclusions discuss the directions that research in this area should take going forward, emphasising the need for more investigation into how blockchain and cloud computing technologies can work together to improve the security, privacy, and effectiveness of cloud computing services.

Keywords — Blockchain, Cloud Computing, Decentralized, Smart Contracts, Data Privacy, Security, Scalability, Permissioned Blockchain

PDF | DOI: 10.17148/IJARCCE.2023.125182

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