A Study on Performance Improvement of Blockchain-Based Distributed Cloud Storage System Using Optimistic Rollup 


Vol. 51,  No. 4, pp. 895-908, Apr.  2026
10.7840/kics.2026.51.4.895


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  Abstract

This paper proposes a blockchain-based distributed cloud storage system utilizing Optimistic Rollup technology. Existing blockchain-based distributed storage systems have faced limitations in practical applications for large-scale data environments due to scalability issues and high gas fees. In this study, we combine Ethereum blockchain with IPFS and apply Optimistic Rollup technology to improve transaction processing speed and reduce gas costs. Experimental results conducted on the Sepolia testnet and Titan Sepolia Optimistic Rollup network demonstrate that the proposed system reduces gas fees and shortens transaction processing time compared to the traditional Layer 1 approach. These results significantly enhance the commercialization potential of blockchain-based distributed storage systems and are expected to enable practical applications across various industries.

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[IEEE Style]

, "A Study on Performance Improvement of Blockchain-Based Distributed Cloud Storage System Using Optimistic Rollup," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 4, pp. 895-908, 2026. DOI: 10.7840/kics.2026.51.4.895.

[ACM Style]

. 2026. A Study on Performance Improvement of Blockchain-Based Distributed Cloud Storage System Using Optimistic Rollup. The Journal of Korean Institute of Communications and Information Sciences, 51, 4, (2026), 895-908. DOI: 10.7840/kics.2026.51.4.895.

[KICS Style]

, "A Study on Performance Improvement of Blockchain-Based Distributed Cloud Storage System Using Optimistic Rollup," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 4, pp. 895-908, 4. 2026. (https://doi.org/10.7840/kics.2026.51.4.895)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880