Help Me for This

i want to create an app in which if user signup first time (by storing IMEI in Firebase) then user will get reward of X coins , if user clear data of our app or uninstall and reinstalled our app and signed up again then he will not get reward !

So,What do you need for help?

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Maybe this can help you to give more information.

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watch this video https://youtu.be/MQrZAicCBaM
#7 Star Media

hmm. i think device imei’s very easily replaceable
this is not a safe method

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  • Have A Look Of This Video

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One Time Login System With Firebase Without Using TinyDB. One User Will Be Create Only One Account In One Device.

getimage

And why do you want to store every users’ IME? Use IP address instead.