Azure AD B2C With ASP.NET Core 2.0

In this writeup, I’ll demonstrate how to use Azure AD B2C to delegate identity and access management to Azure. One of the key difference is that we will not pre-register users in Azure AD using Azure AD domain name, like previous post, instead consumers of our applications can create users using any domain e.g. gmail.com.

source https://www.c-sharpcorner.com/article/azure-ad-b2c-with-asp-net-core-2-0/