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Blockchains, Volume 3, Issue 2

June 2025 - 3 articles

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Article

764 Views

15 Pages

Leveraging Geometric Distribution with Variable Probability to Pre-Calculate Block Publication Deadlines in a Blockchain Simulation

Massimo Maresca,
Luca Andreoli and
Pierpaolo Baglietto

Blockchains2025, 3(2), 9;https://doi.org/10.3390/blockchains3020009

5 June 2025

We examine the use of a Geometric Distribution for pre-calculating the publication deadlines of blocks in a simulation of proof-of-work Blockchain. Specifically, we focus on Discrete-Event Simulation, where the simulator identifies events to be simul...

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Article

1 Citations

2,287 Views

21 Pages

Analysis and Evaluation of a Blockchain-Based Framework for Decentralized Rental Agreements and Dispute Resolution

Muntasir Jaodun and
Khawla Bouafia

Blockchains2025, 3(2), 8;https://doi.org/10.3390/blockchains3020008

28 May 2025

Blockchain technology has evolved beyond financial transactions to revolutionize trust systems. This paper presents a blockchain-based model for decentralized rental agreements and dispute resolution (DRADR). By leveraging smart contracts and impleme...

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Article

5,287 Views

32 Pages

Preserving Whistleblower Anonymity Through Zero-Knowledge Proofs and Private Blockchain: A Secure Digital Evidence Management Framework

Butrus Mbimbi,
David Murray and
Michael Wilson

Blockchains2025, 3(2), 7;https://doi.org/10.3390/blockchains3020007

17 April 2025

This research presents a novel framework and experimental results that combine zero-knowledge proofs (ZKPs) with private blockchain technology to safeguard whistleblower privacy while ensuring secure digital evidence submission and verification. For...

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