In the digital age, freedom begins with owning personal data. #Buidl user-centric apps on fair data principles. Datafund protocol guards personal data, provides safe storage and enables ethical data exchange. Individuals create their own datafund to reclaim, own and manage their data. Datafunds are a new form of personal data oracle that can form or connect to data markets. Organizations (data users) are incentivised to give data back to individuals and to participate in a fair and ethical exchange of data value. Contributors to a specific datafund are rewarded with intrinsic tokens of a receiving datafund.