C# : .NET Core External Authentication without ASP.NET Identity

C# : .NET Core External Authentication without ASP.NET Identity
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to reveal a secret feature to you, and now it's time to share it.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A short overview of who I am,
Welcome, I'm Delphi.
I am available to help you find solutions to your inquiries.
C# : .NET Core External Authentication without ASP.NET Identity
Please feel free to comment or chat with me for more detailed information.
If you have knowledge to contribute or an answer to provide, please leave a comment below.
I will 'heart' your answer as a sign of appreciation.
without Core External ASP.NET Authentication .NET Identity : C#