Data Marketplaces are gaining significance. With the abundance of enterprise data everywhere, the notion of data monetization is on every enterprise’s mind. One enterprise’s data is another enterprise’s analytics goldmine. With the advent of IoT, our enterprises are part of connected ecosystems. As participants of the same partner ecosystem, enterprises belonging to an industry are keen on sharing data with each other or at least try to monetize on that, where possible. However, with everyone’s astute focus on compliance regulations like GDPR, data sharing is not easy. And, therein come Blockchains with the promise of complete data auditability and governance. This session will showcase the key challenges with such a model and propose a reference architecture for such data marketplaces driven by blockchains.