It's pretty much the same thing, email authentication usually involves validating the email address, sending confirmation emails and allowing for password reset. Without those features it's exactly the same thing, you can just use an email as the username.
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Also, would this be a similar structure to creating a email/password authentication system?
It's pretty much the same thing, email authentication usually involves validating the email address, sending confirmation emails and allowing for password reset. Without those features it's exactly the same thing, you can just use an email as the username.