I have 4 (3 Yubikeys, 1 Hypersecu HyperFIDO), and I ordered 6 more, some for my wife and others for offsite backup, sadly some services will only allow you to r

I have 4 (3 Yubikeys, 1 Hypersecu HyperFIDO), and I ordered 6 more, some for my wife and others for offsite backup, sadly some services will only allow you to register two, and AWS only one for root accounts.