Performance and Security Analysis of Blockchain-Based Decentralized Cloud Storage Systems
DOI:
https://doi.org/10.63949/crinfo.v2i1.004Keywords:
- Cloud Computing,
- Performance Evaluation,
- Security Analysis,
- Fault Tolerance,
- IPFS,
- Cryptographic Hashing,
- Data Integrity,
- Smart Contracts,
- Distributed Systems,
- Blockchain,
- Decentralized Cloud Storage
Abstract
The high rate of its development has led to the spread of cloud computing triggering the enormous demand of secure, reliable, and transparent data storage solutions. Traditional centralized cloud storage service design is naturally scaled by single points of failure, lack of transparency, and being susceptible to data manipulation. The current manuscript aims to address these shortcomings by providing a detailed performance and security assessment of a blockchain-based decentralized cloud storage. The proposed architecture combines blockchain technology with distributed storage to a hybrid on-chain/off-chain architecture. In this kind of design, file metadata and cryptographic hashes are only stored in the blockchain, whereas file contents are encrypted and distributed across decentralized storage networks. The use of smart contracts: This means that stringent access controls are enforced and the integrity of data safeguarded. An intensive mathematical model has been developed to assess the performance of the systems as per the latency of upload, retrieval, throughput in addition to the fault tolerance. The empirical evidence shows that the presented system provides a considerable improvement in security, transparency, and reliability, compared to the traditional cloud storage paradigms, at a relatively moderate rate of latency overhead, which can be explained by transaction validation that is implemented in the blockchain. These results indicate that decentralized storage that is supported by blockchain represents a reliable and scalable answer in cloud data management, as applied in mission-critical systems.
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References
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