Blockchain and Web 3.0: Applications, Challenges and Future Trends—Volume II

A special issue of Future Internet (ISSN 1999-5903). This special issue belongs to the section "Internet of Things".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 971

Special Issue Editor


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Guest Editor
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
Interests: data intensive systems; blockchain; Web 3.0
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Special Issue Information

Dear Colleagues,

Blockchain technology has emerged as a groundbreaking innovation, revolutionizing various industries by enabling secure, transparent, and decentralized systems. Blockchain's potential extends beyond finance to supply chain management, healthcare, voting systems, and more. However, blockchain faces challenges related to scalability, as it must handle large volumes of transactions efficiently. Privacy is another concern, as the public nature of blockchain can expose sensitive information. Web 3.0 leverages blockchain and other decentralized technologies to create peer-to-peer networks, enabling direct interactions and eliminating the reliance on centralized entities. Despite its immense potential, Web 3.0 faces challenges in usability, interoperability among different platforms, and the development of user-friendly decentralized applications (dApps). Scalability and performance limitations must also be addressed to provide a seamless user experience.

Addressing these challenges as blockchain and Web 3.0 evolves becomes crucial to unlocking their full potential. Research and innovation in these areas are essential to overcome scalability hurdles, enhance privacy mechanisms, establish application frameworks, and develop user-friendly solutions. By doing so, blockchain and Web 3.0 can realize their promise of transforming industries, empowering individuals, and shaping the future of the digital landscape.

This Special Issue aims to solicit original and unpublished papers that contribute theoretical and practical proposals in various research areas of blockchain and Web 3.0. The primary focus is on exploring applications and addressing associated challenges. Authors are encouraged to submit articles that identify existing problems and challenges while providing suggestions for their resolution. Moreover, contributions discussing the revolutionary prospects of blockchain and Web 3.0 technology and their real-life applications and implications are highly welcomed. This Special Issue welcomes review articles, survey papers, and technical papers. While the following topic areas are highlighted, submissions covering other related subjects are also encouraged:

  • Blockchain theories and their evolution;
  • Smart contracts techniques and solutions;
  • Distributed consensus and network design in various applications;
  • Issues of security and privacy surrounding blockchain and Web 3.0 technology;
  • Performance optimization of blockchain systems;
  • Integration of blockchain with other emerging technologies;
  • Cryptocurrency theories, methods, and applications;
  • Transaction mining and analysis;
  • Economics and game theoretic analysis of cryptocurrency protocols;
  • Usability and user studies;
  • Case studies (e.g., of adoption, attacks, forks, scams, etc.).

Prof. Dr. Qiang Qu
Guest Editor

Manuscript Submission Information

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Keywords

  • blockchain
  • smart contract
  • cryptocurrency
  • security and privacy
  • distributed consensus and networks
  • transaction analysis

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Published Papers (1 paper)

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16 pages, 456 KiB  
Review
A Survey on Data Availability in Layer 2 Blockchain Rollups: Open Challenges and Future Improvements
by Muhammad Bin Saif, Sara Migliorini and Fausto Spoto
Future Internet 2024, 16(9), 315; https://doi.org/10.3390/fi16090315 - 29 Aug 2024
Viewed by 591
Abstract
Layer 2 solutions have emerged in recent years as a valuable alternative to increase the throughput and scalability of blockchain-based architectures. The three primary types of Layer 2 solutions are state channels, sidechains, and rollups. The rollups are particularly promising, allowing significant improvements [...] Read more.
Layer 2 solutions have emerged in recent years as a valuable alternative to increase the throughput and scalability of blockchain-based architectures. The three primary types of Layer 2 solutions are state channels, sidechains, and rollups. The rollups are particularly promising, allowing significant improvements in transaction throughput, security, and efficiency, and have been adopted by many real-world projects, such as Polygon and Optimistic. However, the adoption of Layer 2 solutions has led to other challenges, such as the data availability problem, where transaction data processed off-chain must be posted back on the main chain. This is crucial to prevent data withholding attacks and ensure all participants can independently verify the blockchain state. This paper provides a comprehensive survey of existing rollup-based Layer 2 solutions with a focus on the data availability problem and discusses the major advantages and disadvantages of them. Finally, an analysis of open challenges and future research directions is provided. Full article
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