How to Create a Safe Security Rule for Firebase Cloud Firestore

Video was super useful. Thank you ❤

thank you for nice informations but i have a question after doing all these steps my C # Windows Forms Application Still ( Write - Read -Update - Delete ) I don't know why
I have two Database as below how can I protect them from ( Write - Read -Update - Delete )

Database 1
" Users "
-------- Activation_Date
-------- Days_Left
-------- E_Mail
-------- Encrypted_Key
-------- End_Activation_Date
-------- Pc_ID
-------- Registration
-------- Number
-------- Telephone_Number
-------- User_Name

Database 2
" Payment "
-------- Amount
-------- Payment Status

Hey Buddy 👍🏻 it was a Useful Video for me !!

Make a video on Google auth & Otp auth with shared Preferences and their data should be store in a profile screen . like name email which ll be getting from google & mobile number by getting otp auth. it would be helpful 🙏🏻🙏🏻