How are generated push token and how unique are they?

Expo SDK
1

In expo SDK36, I target ios and android.

I am trying in development the push notification, on Android device, my device have : ExponentPushToken[XYZ] and my iOS device have ExponentPushToken[ABC]

  • Are those generated token unique?
  • Are they generated client side ?
  • Can I safely add them to my database to identify my devices?
  • Will all the release channel (staging/preprod/prod) use the same token for each devices?

Thanks a lot for clarifying

1 Like
2
  • Are those generated token unique? => yes
  • Are they generated client side ? => yes
  • Can I safely add them to my database to identify my devices? => yes
  • Will all the release channel (staging/preprod/prod) use the same token for each devices? => yes
3

@kopax does that mean that I can use the push token as a “device id”?

4

Yes you can. But if the user uninstall and reinstall, the id will change

5

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