Toward a Blockchain-Enabled Crowdsourcing Platform

Abstract

Crowdsourcing has been pursued as a way to leverage the power of the crowd for many different purposes in diverse sectors. Crowdsourcing aims at collecting information, aggregating funds and gathering employees to perform tasks of different sizes among other targets. Data Integrity and nonrepudiation is of utmost importance in these systems and is currently not guaranteed. Blockchain technology has been proven to improve on these aspects. In this article, we investigate the benefits that the adoption of blockchain technology can bring in crowdsourcing systems. To this end, we provide examples of real-life crowdsourcing use cases and explore the benefits of using blockchain, mainly as a database. Crowdsourcing has gained a lot of attention, since it was first defined in 2006 by Howe [1], taking advantage of the developments in communications, the Social Media and the Internet. Originally considered as the combination of the words crowd and outsourcing, it was perceived as a process where a person or company managed to extend their expertise by using services, knowledge or goods provided by a group of Internet users. To enable the announcement of the requests for tasks by possible employers and their matching with expertise offered by possible targeted employees (claiming a certain fee), various Internet-based platforms have been created. Those platforms were, mainly, centralised systems where both the employer and the employee

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