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Cryptography
Special Issues
Emerging Trends in Blockchain and Its Applications
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Emerging Trends in Blockchain and Its Applications

A special issue of Cryptography (ISSN 2410-387X). This special issue belongs to the section "Blockchain Security".

Deadline for manuscript submissions: closed (10 April 2025) | Viewed by 662

Special Issue Editor

Prof. Dr. Joseph K. Liu

E-Mail Website
Guest Editor
Department of Software Systems & Cybersecurity, Faculty of Information Technology, Monash University, Clayton, VIC 3800, Australia
Interests: applied cryptography; blockchain
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce this Special Issue focused on Blockchain, highlighting the latest innovations, applications, and challenges in this transformative technology. Blockchain has emerged as a pivotal technology with the potential to revolutionize various sectors, from finance and healthcare to supply chain and government services. This Special Issue aims to gather high-quality research contributions that advance the understanding of Blockchain technology and its applications.

We invite original research articles, reviews, and case studies on topics including, but not limited to, the following:

Blockchain Architecture and Design:

  • Novel consensus algorithms;
  • Scalability solutions;
  • Security and privacy enhancements;
  • Blockchain interoperability.
Cryptographic Techniques for Blockchain:
  • Zero-knowledge proofs;
  • Secure multi-party computation;
  • Cryptographic primitives and protocols;
  • Post-quantum cryptography in Blockchain.
Blockchain Applications:
  • Financial services and DeFi;
  • Healthcare systems;
  • Supply chain management;
  • Government and public sector applications.
Blockchain and Internet of Things (IoT):
  • Integration of Blockchain with IoT;
  • Security and privacy in Blockchain–IoT ecosystems;
  • Decentralized identity and access management for IoT.
Case Studies and Real-World Deployments:
  • Successful Blockchain implementations;
  • Lessons learned from Blockchain projects;
  • Comparative analysis of Blockchain platforms.

Prof. Dr. Joseph K. Liu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Cryptography is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • blockchain architecture and design
  • cryptographic techniques for blockchain
  • blockchain applications
  • blockchain and Internet of Things (IoT)
  • case studies and real-world deployments

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

26 pages, 4765 KiB  
Article
Dynamic Sharding and Monte Carlo for Post-Quantum Blockchain Resilience
by Dahhak Hajar, Nadia Afifi and Imane Hilal
Cryptography 2025, 9(2), 22; https://doi.org/10.3390/cryptography9020022 - 11 Apr 2025
Viewed by 299
Abstract
Scalability and security restrictions are posing new challenges for blockchain networks, especially in the face of Distributed Denial-of-Service (DDoS) attacks and upcoming quantum threats. Previous research also found that post-quantum blockchains, despite their improved cryptographic algorithms, are still vulnerable to DDoS attacks, emphasizing [...] Read more.
Scalability and security restrictions are posing new challenges for blockchain networks, especially in the face of Distributed Denial-of-Service (DDoS) attacks and upcoming quantum threats. Previous research also found that post-quantum blockchains, despite their improved cryptographic algorithms, are still vulnerable to DDoS attacks, emphasizing the need for more resilient architectural solutions. This research studies the use of dynamic sharding, an innovative approach for post-quantum blockchains that allows for adaptive division of the network into shards based on workload and network conditions. Unlike static sharding, dynamic sharding optimizes resource allocation in real time, increasing transaction throughput and minimizing DDoS-induced disruptions. We provide a detailed study using Monte Carlo simulations to examine transaction success rates, resource consumption, and fault tolerance for both dynamic sharding-based and non-sharded post-quantum blockchains under simulated DDoS attack scenarios. The findings show that dynamic sharding leads to higher transaction success rates and more efficient resource use than non-sharded infrastructures, even in high-intensity attack scenarios. Furthermore, the combination of dynamic sharding and the Falcon post-quantum signature technique creates a layered strategy that combines cryptographic robustness, scalability, and resilience. This paper provides light on the potential of adaptive blockchain designs to address major scalability and security issues, opening the path for quantum-resilient systems. Full article
(This article belongs to the Special Issue Emerging Trends in Blockchain and Its Applications)
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