Experience Cloud ID (ECID) is a shared identity namespace used across Adobe Experience Platform and Adobe Experience Cloud applications.
ECID provides the foundation for customer identity. With the context of Identity Service, ECID is used as the primary ID for devices and as a base node for identity graphs.
With ECID, you can:
Identifying your online users requires instrumentizing your site or mobile app with ECID, which provides a universal and persistent ID that identifies your visitors across all applications in Adobe Experience Cloud.
The following documentation provides further resources on understanding ECID across different Platform and Experience Cloud applications: