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A blockchain-enabled scalable and secure architecture for cloud big data storage using sharding and swarming.

R N Karthika¹, C Valliyammai², V UmaRani³

¹Department of IT, Saveetha Engineering College, Chennai, Tamil Nadu, India. karthikanarasiman@gmail.com.

Scientific Reports

|May 20, 2026

Summary

This study integrates blockchain with cloud big data storage, using sharding and swarming for enhanced scalability and speed. An optimized Proof of Work mechanism ensures efficiency and security in decentralized data management.

Keywords:

Big data Blockchain Cloud computing Sharding Swarming

Related Experiment Videos

Area of Science:

Computer Science
Data Science
Information Security

Background:

Cloud computing offers on-demand resources but faces scalability challenges with big data.
Current big data systems struggle with elasticity and rapid scaling under fluctuating workloads.
Regulatory compliance and real-time analytics are significant hurdles for cloud-based big data.

Purpose of the Study:

To develop a secure and efficient framework for big data storage in the cloud using blockchain technology.
To address the scalability limitations of blockchain-based big data systems.
To enhance the reliability and analytical value of big data through decentralized management.

Main Methods:

Integration of blockchain technology with cloud-based big data storage.
Implementation of sharding to partition data for improved manageability.
Application of swarming techniques for parallel and low-latency data retrieval.
Optimization of the Proof of Work (PoW) mechanism for efficiency and fairness.

Main Results:

A novel architecture combining sharding and swarming to overcome blockchain scalability issues.
Enhanced data security and reliability through decentralized, cryptographically secure management.
Reduced latency and improved access speed via parallel data retrieval.
Increased computational fairness and reduced energy consumption with an optimized PoW.

Conclusions:

The integration offers a transformative solution for secure, scalable, and high-performance cloud big data management.
This approach advances decentralized applications and analytics capabilities.
Blockchain technology provides a robust framework for overcoming big data challenges in cloud environments.