the identifiers that Android apps use to fingerprint/track users?

12temp

I’m testing various “earning apps” (for curiosity/educational purposes) and have noticed they can still recognize me as a returning user, even though I create a fresh work profile with Shelter on Android 11 or 15 and delete it after each test. I also route my traffic through a residential proxy to change my IP address—since these apps can detect VPNs—and yet they still fingerprint or track me across sessions.

de0u

12temp It is possible that apps are abusing the "Media DRM i.d.", see Issue 2314.

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LGgos

I know that Reddit is very good at detecting alts (if you've been banned from a sub, so they can re-ban and threaten you with a sitewide permaban if you return to the sub with another account) using "various secret sauce ways", perhaps this media DRM ID thing is one of the ways