I would like to create data storage system for multiple different users (each having access to only their data). Up until now I have been doing this for only one user with FirebaseDB (default account provided by MIT).
I would like to know if it is possible to create log-in type data storage in FirebaseDB and how to do it. It should also be very user friendly (only input from user to be password and username).
Yes, use firebase authentication with email and password. A users data can be stored under their UID, and you can set security rules so that they can only write data to their area, any everyone can read, or only they can read.