Firebase Push Tokens Are Device-Specific, Not User-Specific: A Critical Refactoring

DEV CommunityWednesday, November 5, 2025 at 6:25:33 AM
In a recent article, a developer shares their experience of misusing Firebase Cloud Messaging tokens by treating them as user-specific instead of device-specific. This misunderstanding resulted in complicated deduplication processes and excess database load. The developer discusses how they rectified this issue and the insights gained about Firebase's token architecture. This is important for developers to understand as it can lead to more efficient app performance and better resource management.
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