Patterns — separate

• Personal Data Store

  Subjects keep control on their personal data that are stored on a personal device.

• User data confinement pattern

  Avoid the central collection of personal data by shifting some amount of the processing of personal data to the user-trusted environments (e.g. their own devices). Allow users to control the exact data that shares with service providers

• Anonymous Reputation-based Blacklisting

  Get rid of troublemakers without even knowing who they are.