TY - JOUR
T1 - zkCrowd
T2 - A Hybrid Blockchain-Based Crowdsourcing Platform
AU - Zhu, Saide
AU - Cai, Zhipeng
AU - Hu, Huafu
AU - Li, Yingshu
AU - Li, Wei
N1 - Funding Information:
Manuscript received May 31, 2019; revised August 11, 2019 and August 29, 2019; accepted August 30, 2019. Date of publication September 16, 2019; date of current version February 28, 2020. This work was supported by the National Science Foundation (NSF) under Grant 1829674, Grant 1741277, Grant 1912753, and Grant 1704287. Paper no. TII-19-2302. (Corresponding author: Wei Li.) S. Zhu, Z. Cai, Y. Li, and W. Li are with the Department of Computer Science, Georgia State University, Atlanta, GA 30302 USA (e-mail:, szhu5@student.gsu.edu; zcai@gsu.edu; yili@gsu.edu; wli28@gsu.edu).
Publisher Copyright:
© 2005-2012 IEEE.
PY - 2020/6
Y1 - 2020/6
N2 - Blockchain, a promising decentralized para-digm, can be exploited not only to overcome the shortcomings of the traditional crowdsourcing systems, but also to bring technical innovations, such as decentralization and accountability. Nevertheless, some critical inherent limitations of blockchain have been rarely addressed in the literature when it is incorporated into crowdsourcing, which may yield the performance bottleneck in the crowdsourcing systems. To further leverage the superiority of combining blockchain and crowdsourcing, in this article, we propose an innovative hybrid blockchain crowdsourcing platform, named zkCrowd. Our zkCrowd integrates with a hybrid blockchain structure, smart contract, dual ledgers, and dual consensus protocols to secure communications, verify transactions, and preserve privacy. Both the theoretical analysis and experiments are performed to evaluate the advantages of zkCrowd over the state of the art.
AB - Blockchain, a promising decentralized para-digm, can be exploited not only to overcome the shortcomings of the traditional crowdsourcing systems, but also to bring technical innovations, such as decentralization and accountability. Nevertheless, some critical inherent limitations of blockchain have been rarely addressed in the literature when it is incorporated into crowdsourcing, which may yield the performance bottleneck in the crowdsourcing systems. To further leverage the superiority of combining blockchain and crowdsourcing, in this article, we propose an innovative hybrid blockchain crowdsourcing platform, named zkCrowd. Our zkCrowd integrates with a hybrid blockchain structure, smart contract, dual ledgers, and dual consensus protocols to secure communications, verify transactions, and preserve privacy. Both the theoretical analysis and experiments are performed to evaluate the advantages of zkCrowd over the state of the art.
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U2 - 10.1109/TII.2019.2941735
DO - 10.1109/TII.2019.2941735
M3 - Article
AN - SCOPUS:85078517547
VL - 16
SP - 4196
EP - 4205
JO - IEEE Transactions on Industrial Informatics
JF - IEEE Transactions on Industrial Informatics
SN - 1551-3203
IS - 6
M1 - 8839831
ER -