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Blockchains, Volume 4, Issue 2

2026 June - 4 articles

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Articles (4)

  • Article
  • Open Access
687 Views
22 Pages

This work deals with questions of enhancing the scalability and security of linear chain Bitcoin by introducing a D-BTC (Domino Bitcoin) protocol, supported by a simply connected two-dimensional structure. The paper seeks to answer the question: can...

  • Article
  • Open Access
1,159 Views
21 Pages

Digital evidence management systems are designed to ensure that the digital evidence is genuine and effectively handle its complexity. In this work, blockchain technology is applied to handle the digital evidence by introducing several layers of secu...

  • Article
  • Open Access
1 Citations
2,060 Views
33 Pages

Zero-Knowledge Proof-Based Privacy-Preserving Pharmaceutical Traceability and Recall Using Blockchain

  • Ankit Sitaula,
  • Md Ashraf Uddin,
  • John Ayoade,
  • Nam H. Chu and
  • Reza Rafeh

Counterfeit and unsafe medicines pose significant risks to patient safety and undermine trust in healthcare systems. This paper presents ACTMeds, a blockchain-supported pharmaceutical traceability and recall platform that considers pharmaceutical sup...

(This article belongs to the Special Issue Security and Privacy Challenges in Cross-Chain Systems)
  • Article
  • Open Access
1,308 Views
27 Pages

Leveraging Confidential Computing to Enhance Data Privacy in Hyperledger Fabric

  • Stefano Avola,
  • Pierpaolo Baglietto,
  • Massimo Maresca and
  • Andrea Parodi

In this paper, we present a system built on Hyperledger Fabric (HLF) that leverages Confidential Computing (CC) technologies to strengthen data privacy guarantees beyond those achievable through application-level mechanisms alone. While HLF natively...

(This article belongs to the Special Issue Feature Papers in Blockchains 2026)
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Blockchains - ISSN 2813-5288