"To connect data owners and data consumers without middlmen being able to see or control the data via decentralized access control and data marketplaces" is listed as the mission of Ocean Protocol , OCEAN. Unlocking private data while preserving privacy is especially important when you are dealing with medical data.
As the world struggles with the Covid 19 outbreak we are seeing new opportunities for blockchain projects such as Ocean Protocol. The ability to quickly provide data while maintaining the privacy of the patient has never been more important.
Posted from my blog with SteemPress : http://cryptohodl.group/the-perfect-storm-for-ocean/