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Security and privacy of digital economic risk assessment system based on cloud computing and blockchain

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Abstract

The digital economy constantly evolves and blockchain technology has become crucial in assessing risks. The security of the economic sector is of utmost importance, and blockchain offers improved security measures while also introducing potential risks. This study conducted a thorough investigation and research on the risk assessment and analysis of blockchain and cloud computing services. It provides a comprehensive overview of the risks associated with blockchain and cloud computing, covering various aspects. This research offers a revolutionary blockchain-and cloud-based digital economic risk assessment system to solve these problems. The system employs blockchain technology to make risk assessment records and processes secure, immutable, and auditable. The algorithm used in blockchain mining is crucial for ensuring privacy and security, particularly in data access transactions. This study introduces differential privacy within the M-kCCIA and BC-PPkCA algorithms. These enhancements increase privacy and security in a digital economic risk assessment system. These advancements enable the public to utilize blockchain cloud services more efficiently and securely. The digital economic landscape within the blockchain ecosystem is complex. This study examines the industry's economic situation, investigates risk assessment, and compares the advantages of a blockchain-based digital assessment system. Furthermore, it evaluates the risks associated with the digital economy and provides corresponding analyses. The presented system uses cloud storage services to store assessment files and their hashes on various blockchains. That overcomes the challenges of blockchain's storage capacity and ensures data integrity in the system. Security and performance analysis demonstrate the efficacy and authenticity of the technique. A verifier can validate query results returned by blockchain nodes; it just needs to store block headers.

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  1. School of Entrepreneurship, Yiwu Industrial and Commercial College, Yiwu, 322000, Zhejiang, China

    Wenjin Jin

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  1. Wenjin Jin
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Jin, W. Security and privacy of digital economic risk assessment system based on cloud computing and blockchain. Soft Comput 28, 2753–2768 (2024). https://doi.org/10.1007/s00500-023-09586-8

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