This looks interesting, it's a bit like how Medium handles logins IIRC. One issue I see is the fact that people have to click links in emails. With the current

This looks interesting, it's a bit like how Medium handles logins IIRC. One issue I see is the fact that people have to click links in emails. With the current state of phishing/spam/scams it is good practise to never click links, so encouraging users to click as part of the authentication process seems a bit risky. Perhaps there could be a user or site configurable option to receive a 'magic password' rather than a link?