The growth of technology has seen development of smart devices that are connected to each other giving rise to device-mesh technology. This has given rise to many owners of these devices sharing data through various web applications such as online marketplaces. The protection of data is paramount for every organization dealing with such data. An evaluation of Blockchain technology as a solution to data privacy is studied. The study concludes that though blockchain is the technology to pursue for securing and protection data, it has numerous challenges and limitations towards data privacy. More research is needed to guarantee an absolute data privacy protection.