Aw, that's a bummer. First Vanguard and now AWS support only Yubikey brand U2F devices. I wonder why that's happening? Hopefully this practice remains limited.

Aw, that's a bummer. First Vanguard and now AWS support only Yubikey brand U2F devices. I wonder why that's happening? Hopefully this practice remains limited. I really don't want haul a bag of different security keys around with me to access all of my services.