This sounds cool, can we import our google authenticator keys to this authenticator dongle and vice versa? do you have a video on how to use this and what is the price range just curious. If its really affordable and flexible for sure I am gonna buy it, thanks for the info.

I read up news, Trezor hardware wallet already has further expanded ability with a secure and comfortable two-factor authentication.

Trezor reserve as a hardware security U2F with backup/recovery functions (seed/mnemonic phrase)^[1]



disclaimer: i don't use it, you can read manual setting up trezor as 2fa hardware^[2] with your own risk

[1]. https://wiki.trezor.io/U2F
[2]. https://wiki.trezor.io/User_manual:Two-factor_Authentication_with_U2F

Yes but unfortunately very few exchanges are currently proposing U2F authentification 
I've seen Binance, Coinbase and Bitfinex are offering it
https://www.binance.com/en/blog/351376985820852224/You-Can-Now-Use-Hardware-Security-Keys-on-Binance
https://blog.coinbase.com/securing-your-crypto-with-security-keys-and-webauthn-551124b72d8e
https://support.bitfinex.com/hc/en-us/articles/115003616589-Universal-2nd-Factor-U2F-2FA-Setup

But other big ones like Kraken for example are only planning to add this protocol
https://support.kraken.com/hc/en-us/articles/360001363963-Yubikey-and-2FA-device-compatibility

I've been reading this topic and was thinking "why on earth would somebody buy this, since the hardware wallets can handle the job?" when I've finally read this.
Yep. This can be the main selling point imho.

I still believe that hardware wallets for day-to-day transactions should not have big amounts of coins on them (the big amounts can stay on another hardware or paper wallet in a safe), but they could still attract the eyes.
This device definitely deserves a second look.

very cool, but how practical is this tho? trezors are huge comparing to the rest of the devices in the segment

yes, yubico are currently leading here. i would recommend to test couple different models since they have different workflows (nfc/port)

When you see something like that theres always a thought "well this one is reported, but what if other ones just not yet"  but they probably done full revision of all current lineup

yes, trezor is a good backup to a yubikey.

of course i like having several yubikeys for just such a situation.. lost or broken although it seems awful tough to break.

also a yubikey doesnt scream "crypto" if you use it in public for 2fa.

another advantage a yubikey has over a trezor -- no bad usb infection possible. which i believe (not entirely sure) a trezor is susceptible to.

i use both btw

yubikeys vs trezors? no hard data but id imagine yubikeys far outnumber trezors.. yubikeys can be for work, computer logins, banking, email login etc.

are we talking about the same badusb here? badusb infects the usb chip itself, not the regular firmware of the device. so no approving bad bootloader etc, it just happens without user intervention.. poof the usb controler chip in the trezor  is now compromised.. it can make the usb chip into any HID device it wants. it can emulate a keyboard for instance, and send keystrokes. or make itself look like a mass storage device and send a file. all with the trezor otherwise acting fine and with genuine firmware. as its the usb chip thats infected, not the trezor attached to the usb chip.

https://www.wired.com/2014/10/code-published-for-unfixable-usb-attack/

yubikeys dont have a usb controller chip afaik (according to yubikey anyway, its a custom deal as it doesnt need full usb functionality) so its immune.

perhaps my data is out of date?