@inproceedings{871701cae33d44bfb7424a81b2c1b950,
title = "Blockchain-enabled Decentralized Anonymous Crowdsourcing Based on Anonymous Payments",
abstract = "Decentralizing crowdsourcing using blockchain removes the trusted mediator who may cause social biases in data aggregation and uncertainties in ensuring proper rewards to workers. Permissionless blockchain discloses all data on public ledgers, which compromises the privacy and anonymity of workers and induces free-riders. State-of-the-art anonymous crowdsourcing systems enable anonymity through identity registration of workers and a trusted setup for key generation. However, these systems fail to support anonymous payments to workers, which may compromise the identities of workers. In this paper, we incorporate anonymous payments in crowdsourcing and dispense with identity registration and trusted setup to support open anonymous participation from any worker. Our solution is based on the decentralized anonymous payment systems (e.g., Zerocoin), commitment schemes, and efficient non-interactive zero-knowledge proofs.",
keywords = "Anonymous crowdsourcing, Blockchain, Smart contract, Zero-knowledge proofs, Zerocoin",
author = "Hanwei Zhu and Nan Wang and Chau, {Sid Chi Kin} and Majid Khonji",
note = "Publisher Copyright: {\textcopyright} 2023 IEEE.; 5th IEEE International Conference on Blockchain and Cryptocurrency, ICBC 2023 ; Conference date: 01-05-2023 Through 05-05-2023",
year = "2023",
doi = "10.1109/ICBC56567.2023.10174965",
language = "British English",
series = "2023 IEEE International Conference on Blockchain and Cryptocurrency, ICBC 2023",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2023 IEEE International Conference on Blockchain and Cryptocurrency, ICBC 2023",
address = "United States",
}