U2F security keys

Raised as a usability problem by 6 people on Hacker News over 5 years (2017–2021), in 6 threads.

People raised many different problems with U2F security keys, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 6 complaints

Using U2F keys is a pain and people find it annoying2021-10-01
Security-savvy user spent 10 minutes googling the name of the MFA standard2019-08-05
U2F security keys are impossible to use on iOS2019-02-21
Browser support is poor and it cannot be used on mobile devices2018-05-09
Browser and device support is poor, making the login experience horrible2017-06-04
Must register multiple keys with every service, a usability nightmare2017-01-26