Anonymous Users via Sessions
Blog post from Convex
When building applications that require user interaction without initial sign-up, leveraging session-based ephemeral users can offer a practical solution by creating user IDs upon session creation and storing them in a "users" table. This approach allows for persistent user identifiers while maintaining user anonymity, enabling features like profile picture usage and game progress retrieval across devices. In a demo app, integrating this session management technique in a chat application ensures consistent user names across sessions and reflects name updates in historical messages by associating messages with user IDs rather than names. The use of custom functions to automatically handle user and session IDs simplifies the implementation, although it presents challenges in managing interactions between logged-in and anonymous users. To address potential security concerns, it is advised to avoid treating session IDs as user identifiers and consider a unified "users" table with an isAnonymous field for better user management.
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