WQCrowd: Secure blockchain-based crowdsourcing framework with multi-tier worker quality evaluation.
Seth Larweh KodjikuTao HanYili FangEsther Stacy E. B. AggreyCollins SeyKwame Omono AsamoahLinda Delali FiasamEvans AidooXun WangPublished in: J. King Saud Univ. Comput. Inf. Sci. (2023)