Multiple streams are listed within the Real-Time Hub including Default and Derived streams. Default stream are automatically generated when a streaming source is added to Eventstream. Default stream captures raw event data directly from the source, ready for transformation or analysis. erived stream: A specialized stream that users can create as a destination within Eventstream. Derived stream can be created after a series of operations such as filtering and aggregating, and then it's ready for further consumption or analysis by other users in the organization through the Real-Time Hub.