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New Trends in Blockchain Technology

New Trends in Blockchain Technology applied sciences Editorial Heung-No Lee School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea; heungno@gist.ac.kr When someone mentions the word blockchain, we find ourselves thinking of words such as decentralization and smart contracts. In a blockchain network, citizens of the world can come and develop new transactional relations free from intermediaries. Smart con- tracts running on a blockchain are used to ensure secure automated transactions, and cryptocurrencies can be used in automated payments. An automated transaction means less friction between the parties involved in the transaction. This means that there will be more individuals who choose to expand the contact they have with the people they meet on the internet. One can pay for the goods and services they enjoy and be paid for goods and services they have offered others. This would allow us to move around the world with the wealth we have earned. Nations can stay independent, suffering less from predatory finance from hegemonic countries. More harmonious relations can blossom among different people. With these ideas in mind, this Special Issue was prepared, and invitations were given out to eminent blockchain researchers, software developers, and entrepreneurs. Currently, blockchain technology is obviously not yet mature. Innovations are needed in many aspects that address the oracle problems, the blockchain scalability issue, and security against various attack vectors, just to name a few. For a faster adoption into society, blockchain technology requires new applications which touch upon the lives of the people. Eleven research teams responded to the calls for papers of this Special Issue on New Trends in Blockchain Technology, and it is our great pleasure to announce that eleven articles have been published in this book. Specifically, there are eight research and three Citation: Lee, H.-N. New Trends in review articles. Many research topics are covered in this book, but briefly put they are Blockchain Technology. Appl. Sci. as follows: a blockchain use case for accessing electronic health records [1]; supply chain 2022, 12, 3212. https://doi.org/ management systems [2,3]; contract management and timely payments in the construction 10.3390/app12073212 industry [4]; security risks of blockchain-based supply chain management systems [5]; Received: 11 March 2022 blockchain-based electronic-bidding systems [6]; utilizing CPU controls to achieve a higher Accepted: 15 March 2022 blockchain performance [7]; and analyzing the possibility of profitable double-spending Published: 22 March 2022 attacks and using this new knowledge to prevent such attacks [8]. The three review articles cover the blockchain scalability issue [9], the oracle problems in DeFi applications [10], and Publisher’s Note: MDPI stays neutral using blockchains for workflow management in construction [11]. with regard to jurisdictional claims in published maps and institutional affil- It is exciting to introduce such a good mix of technologies and new applications from iations. diverse backgrounds in a single book. This book will be of tremendous value to the global blockchain community. Funding: This work was supported in part by the National Research Foundation of Korea (NRF) Copyright: © 2022 by the author. Grant funded by the Korean government (MSIP) (NRF-2021R1A2B5B03002118) and by the Ministry Licensee MDPI, Basel, Switzerland. of Science and ICT (MSIT), Korea, under the Information Technology Research Center (ITRC) support This article is an open access article program (IITP-2021-0-01835) supervised by the IITP (Institute of Information & Communications distributed under the terms and Technology Planning & Evaluation. conditions of the Creative Commons Acknowledgments: This publication was only possible with the invaluable contributions from the Attribution (CC BY) license (https:// authors, reviewers. creativecommons.org/licenses/by/ 4.0/). Conflicts of Interest: The authors declare no conflict of interest. Appl. Sci. 2022, 12, 3212. https://doi.org/10.3390/app12073212 https://www.mdpi.com/journal/applsci Appl. Sci. 2022, 12, 3212 2 of 2 References 1. Ali, A.; Rahim, H.A.; Ali, J.; Pasha, M.F.; Masud, M.; Rehman, A.U.; Chen, C.; Baz, M. A Novel Secure Blockchain Framework for Accessing Electronic Health Records Using Multiple Certificate Authority. Appl. Sci. 2021, 11, 9999. [CrossRef] 2. Li, J.; Song, Y. Design of Supply Chain System Based on Blockchain Technology. Appl. Sci. 2021, 11, 9744. [CrossRef] 3. Della Valle, F.; Oliver, M. Blockchain-Based Information Management for Supply Chain Data-Platforms. Appl. Sci. 2021, 11, 8161. [CrossRef] 4. Sigalov, K.; Ye, X.; König, M.; Hagedorn, P.; Blum, F.; Severin, B.; Hettmer, M.; Hückinghaus, P.; Wölkerling, J.; Groß, D. Automated Payment and Contract Management in the Construction Industry by Integrating Building Information Modeling and Blockchain-Based Smart Contracts. Appl. Sci. 2021, 11, 7653. [CrossRef] 5. Al-Farsi, S.; Rathore, M.M.; Bakiras, S. Security of Blockchain-Based Supply Chain Management Systems: Challenges and Opportunities. Appl. Sci. 2021, 11, 5585. [CrossRef] 6. Wang, D.; Zhao, J.; Mu, C. Research on Blockchain-Based E-Bidding System. Appl. Sci. 2021, 11, 4011. [CrossRef] 7. Kim, J.; Lee, K.; Yang, G.; Lee, K.; Im, J.; Yoo, C. QiOi: Performance Isolation for Hyperledger Fabric. Appl. Sci. 2021, 11, 3870. [CrossRef] 8. Jang, J.; Lee, H.-N. Profitable Double-Spending Attacks. Appl. Sci. 2020, 10, 8477. [CrossRef] 9. Khan, D.; Jung, L.T.; Hashmani, M.A. Systematic Literature Review of Challenges in Blockchain Scalability. Appl. Sci. 2021, 11, 9372. [CrossRef] 10. Caldarelli, G.; Ellul, J. The Blockchain Oracle Problem in Decentralized Finance—A Multivocal Approach. Appl. Sci. 2021, 11, 7572. [CrossRef] 11. Mohammed, A.; Almousa, A.; Ghaithan, A.; Hadidi, L.A. The Role of Blockchain in Improving the Processes and Workflows in Construction Projects. Appl. Sci. 2021, 11, 8835. [CrossRef] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Sciences Multidisciplinary Digital Publishing Institute

New Trends in Blockchain Technology

Lee, Heung-No
Applied Sciences , Volume 12 (7) – Mar 22, 2022
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Multidisciplinary Digital Publishing Institute
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© 1996-2022 MDPI (Basel, Switzerland) unless otherwise stated Disclaimer The statements, opinions and data contained in the journals are solely those of the individual authors and contributors and not of the publisher and the editor(s). MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Terms and Conditions Privacy Policy
ISSN
2076-3417
DOI
10.3390/app12073212
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Abstract

applied sciences Editorial Heung-No Lee School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea; heungno@gist.ac.kr When someone mentions the word blockchain, we find ourselves thinking of words such as decentralization and smart contracts. In a blockchain network, citizens of the world can come and develop new transactional relations free from intermediaries. Smart con- tracts running on a blockchain are used to ensure secure automated transactions, and cryptocurrencies can be used in automated payments. An automated transaction means less friction between the parties involved in the transaction. This means that there will be more individuals who choose to expand the contact they have with the people they meet on the internet. One can pay for the goods and services they enjoy and be paid for goods and services they have offered others. This would allow us to move around the world with the wealth we have earned. Nations can stay independent, suffering less from predatory finance from hegemonic countries. More harmonious relations can blossom among different people. With these ideas in mind, this Special Issue was prepared, and invitations were given out to eminent blockchain researchers, software developers, and entrepreneurs. Currently, blockchain technology is obviously not yet mature. Innovations are needed in many aspects that address the oracle problems, the blockchain scalability issue, and security against various attack vectors, just to name a few. For a faster adoption into society, blockchain technology requires new applications which touch upon the lives of the people. Eleven research teams responded to the calls for papers of this Special Issue on New Trends in Blockchain Technology, and it is our great pleasure to announce that eleven articles have been published in this book. Specifically, there are eight research and three Citation: Lee, H.-N. New Trends in review articles. Many research topics are covered in this book, but briefly put they are Blockchain Technology. Appl. Sci. as follows: a blockchain use case for accessing electronic health records [1]; supply chain 2022, 12, 3212. https://doi.org/ management systems [2,3]; contract management and timely payments in the construction 10.3390/app12073212 industry [4]; security risks of blockchain-based supply chain management systems [5]; Received: 11 March 2022 blockchain-based electronic-bidding systems [6]; utilizing CPU controls to achieve a higher Accepted: 15 March 2022 blockchain performance [7]; and analyzing the possibility of profitable double-spending Published: 22 March 2022 attacks and using this new knowledge to prevent such attacks [8]. The three review articles cover the blockchain scalability issue [9], the oracle problems in DeFi applications [10], and Publisher’s Note: MDPI stays neutral using blockchains for workflow management in construction [11]. with regard to jurisdictional claims in published maps and institutional affil- It is exciting to introduce such a good mix of technologies and new applications from iations. diverse backgrounds in a single book. This book will be of tremendous value to the global blockchain community. Funding: This work was supported in part by the National Research Foundation of Korea (NRF) Copyright: © 2022 by the author. Grant funded by the Korean government (MSIP) (NRF-2021R1A2B5B03002118) and by the Ministry Licensee MDPI, Basel, Switzerland. of Science and ICT (MSIT), Korea, under the Information Technology Research Center (ITRC) support This article is an open access article program (IITP-2021-0-01835) supervised by the IITP (Institute of Information & Communications distributed under the terms and Technology Planning & Evaluation. conditions of the Creative Commons Acknowledgments: This publication was only possible with the invaluable contributions from the Attribution (CC BY) license (https:// authors, reviewers. creativecommons.org/licenses/by/ 4.0/). Conflicts of Interest: The authors declare no conflict of interest. Appl. Sci. 2022, 12, 3212. https://doi.org/10.3390/app12073212 https://www.mdpi.com/journal/applsci Appl. Sci. 2022, 12, 3212 2 of 2 References 1. Ali, A.; Rahim, H.A.; Ali, J.; Pasha, M.F.; Masud, M.; Rehman, A.U.; Chen, C.; Baz, M. A Novel Secure Blockchain Framework for Accessing Electronic Health Records Using Multiple Certificate Authority. Appl. Sci. 2021, 11, 9999. [CrossRef] 2. Li, J.; Song, Y. Design of Supply Chain System Based on Blockchain Technology. Appl. Sci. 2021, 11, 9744. [CrossRef] 3. Della Valle, F.; Oliver, M. Blockchain-Based Information Management for Supply Chain Data-Platforms. Appl. Sci. 2021, 11, 8161. [CrossRef] 4. Sigalov, K.; Ye, X.; König, M.; Hagedorn, P.; Blum, F.; Severin, B.; Hettmer, M.; Hückinghaus, P.; Wölkerling, J.; Groß, D. Automated Payment and Contract Management in the Construction Industry by Integrating Building Information Modeling and Blockchain-Based Smart Contracts. Appl. Sci. 2021, 11, 7653. [CrossRef] 5. Al-Farsi, S.; Rathore, M.M.; Bakiras, S. Security of Blockchain-Based Supply Chain Management Systems: Challenges and Opportunities. Appl. Sci. 2021, 11, 5585. [CrossRef] 6. Wang, D.; Zhao, J.; Mu, C. Research on Blockchain-Based E-Bidding System. Appl. Sci. 2021, 11, 4011. [CrossRef] 7. Kim, J.; Lee, K.; Yang, G.; Lee, K.; Im, J.; Yoo, C. QiOi: Performance Isolation for Hyperledger Fabric. Appl. Sci. 2021, 11, 3870. [CrossRef] 8. Jang, J.; Lee, H.-N. Profitable Double-Spending Attacks. Appl. Sci. 2020, 10, 8477. [CrossRef] 9. Khan, D.; Jung, L.T.; Hashmani, M.A. Systematic Literature Review of Challenges in Blockchain Scalability. Appl. Sci. 2021, 11, 9372. [CrossRef] 10. Caldarelli, G.; Ellul, J. The Blockchain Oracle Problem in Decentralized Finance—A Multivocal Approach. Appl. Sci. 2021, 11, 7572. [CrossRef] 11. Mohammed, A.; Almousa, A.; Ghaithan, A.; Hadidi, L.A. The Role of Blockchain in Improving the Processes and Workflows in Construction Projects. Appl. Sci. 2021, 11, 8835. [CrossRef]

Journal

Applied Sciences – Multidisciplinary Digital Publishing Institute

Published: Mar 22, 2022

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