[_benj]

Honestly, as a customer I love notion's and slack's "magic link" instead of using a password.

I think the next step would be trying to hack/crack your solution ;)

It'd be pretty interesting to see what you came up with, but for a product I'm building I decided to give "outseta.com" a try (not affiliated) and picked up the laziest way of just purchasing my way out of implementing auth...