I currently use an email based signin for a site I maintain, which doesn't require a password. (Scheme described here - http://sriku.org/blog/2017/04/29/forget-

I currently use an email based signin for a site I maintain, which doesn't require a password. (Scheme described here - http://sriku.org/blog/2017/04/29/forget-password/ http://sriku.org/blog/2017/04/29/forget-password/ ) I don't think I understand the full consequences of reducing the steps for this even more, but am very curious to consider. I do need to maintain a sense of continued identity across machines and need to communicate with the users outside of the site, as my users expect that (and email serves that well). I think it is already fairly simple (relatively). What would be an approach to simplify this even more?