LinkedIn locked my account and wants me to do ID verification through Persona
(piefed.cdn.blahaj.zone)
I did from Apple a few years ago after I bought a new Mac mini, but there was some issue with my Apple Care subscription and they helped me to sort it out. I actually had to talk to a real person on the phone from another country (Ireland) because they needed to escalate. But my issue was resolved and they were very helpful.