"Event Sourcing systems store the entire event sequence that results in the total state of entities. Many events containing personal information lead up to the current state, rather than just a single record. In addition, the same information might be stored in other locations, such as denormalized projections, snapshots and backups. This makes it more difficult to modify or delete all state, therefore we offer tools based on shredding. GDPR for Akka Persistence modules make it easier to implement this functionality when using Akka or Lagom event sourcing. However, you can also use the encrypted key with non-event sourced data, such as CRUD with a relational database"