> but fragile usb dongle hanging from the side of your laptop isn't still optimal. And that's why we have Yubikey Nano versions. And as for them being fragile,

> but fragile usb dongle hanging from the side of your laptop isn't still optimal. And that's why we have Yubikey Nano versions. And as for them being fragile, I really don't experience that. Mine one has been sitting on my keychain for about a year and a half and it seems rock-solid. Even though it has been through rains and thrown around countless times, it still works like it did on the day one. Even though it's plastic, it is pretty durable from my perspective.