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This research aims to develop and evaluate a hybrid blockchain framework for secure cyber threat intelligence sharing.

A Hybrid PoS–PoW Blockchain Framework for Secure Cyber Threat Intelligence Sharing: Design, Implementation, and Evaluation

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Randomized trial evaluates a hybrid blockchain framework in a controlled environment, suggesting effectiveness in CSIA mechanisms.

This research aims to develop and evaluate a hybrid blockchain framework for secure cyber threat intelligence sharing.
Designed a proof-of-concept hybrid Proof-of-Stake and Proof-of-Work framework (CTIB) for CTI publication.
Evaluated prototype in a controlled Hardhat environment measuring throughput, latency, and success rates.
Conducted security analysis using analytical modeling, committee capture probability, and Monte Carlo simulations.
CTIB achieved an average throughput of 141.13 to 166.14 feeds/min across ten runs.
Measured p50 latency ranged from 326.18 to 403.09 ms, and p95 latency from 553.22 to 700.82 ms under various PoW difficulty levels.
Security analysis showed that compromising both validation and anchoring layers of the system increases the cost of manipulation.

El-Kosairy et al. (2026) studied this question.

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View Full Paper

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Authors

Randomized trial evaluates a hybrid blockchain framework in a controlled environment, suggesting effectiveness in CSIA mechanisms.

This research aims to develop and evaluate a hybrid blockchain framework for secure cyber threat intelligence sharing.
Designed a proof-of-concept hybrid Proof-of-Stake and Proof-of-Work framework (CTIB) for CTI publication.
Evaluated prototype in a controlled Hardhat environment measuring throughput, latency, and success rates.
Conducted security analysis using analytical modeling, committee capture probability, and Monte Carlo simulations.
CTIB achieved an average throughput of 141.13 to 166.14 feeds/min across ten runs.
Measured p50 latency ranged from 326.18 to 403.09 ms, and p95 latency from 553.22 to 700.82 ms under various PoW difficulty levels.
Security analysis showed that compromising both validation and anchoring layers of the system increases the cost of manipulation.

El-Kosairy et al. (2026) studied this question.

View Full Paper

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Bookmark