How blockchain could enable the creation of a “self-sovereign identity”:

If personal data of individuals are used by third parties, the individual should provide his consent. Control by the individual is essential and should play a central role and can be arranged by so called consent statements. Blockchain technology offers many interesting possibilities for these consent statements which will contribute to the transparency of the process. The possibilities are coupled to a scalable model of a digital identity. Recently, the independent foundation Sovrin has been founded to create a sovereign identity on basis of a world wide eco system of a ‘Identity Distributed Ledger’ based upon the block chain ledger. The assumption of a sovereign identity is that any individual in the World is entitled and has access to an identity that is recognised on a worldwide level and which is independent of any organisation (government or private).