Blockchain and Web 3.0: Applications, Challenges and Future Trends

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 areas like 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 terms of usability, interoperability among different platforms, and the development of user-friendly decentralized applications (dApps). Scalability and performance limitations also need to be addressed to provide a seamless user experience.

As blockchain and Web 3.0 continue to evolve, addressing these challenges 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.

The purpose of this Special Issue is to solicit original and unpublished papers that contribute theoretical and practical proposals in various research areas of blockchain and Web 3.0.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, as well as 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

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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Future Internet is an international peer-reviewed open access monthly 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 1800 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.