Realistically it’s not feasible to set up separate systems for separate levels of tech knowledge and expect it to not be abused.
Yes, it’s more of a hassle to do proper 2FA, but it helps the grannies of the world not be scammed out of their life savings, ultimately enabling greater digitalisation, which I find extremely helpful.
I have no idea about the numbering, but I know of at least
These all indicate how a material reacts to a magnetic field. This article discusses “altermagnetism”, which is somewhere between ferromagnetism and antiferromagnetism.