Proton passkeys are stored in a password manager, which he specifically calls out.
If you have a password managed and know how to use it, you’re already a lot less susceptible to the problem that passkeys are trying to solve.
Personally, I think passkeys are great for tech-savvy users, but I wouldn’t dream of recommending them to non tech-savvy people. Password managers are still used by the minority, that needs to be fixed before passkeys are useful.
You’ll find that under settings -> customise -> swipe address bar sideways to switch tabs
Red dwarf did it first
If it’s Australian, don’t expect strong privacy. But then again, I wouldn’t expect that from a US based email provider either.
Source: am Australian.