[insomniacity]

+1 on the Yubikey. I'm pretty good at moving my savings around and getting the best interest rate possible - the side effect is a ton of accounts, which means I'm drowning in 'secure memorable passcode key PINs' and my SMS inbox is full of SMS 2FA codes, and I'm wondering what it would take to get a bank to offer Webauthn/FIDO.

How about a website where we pledged to open an account and deposit £X into savings, or switch current account, if they offered Webauthn/FIDO?

[rlpb]

I'd love FIDO for online banking auth. But AIUI, there's some EU regulation that requires 2FA, but that 2FA must also verify some other data (like the recipient of a transfer, amount being transferred and suchlike). I don't remember the details, but unfortunately that rules out FIDO for 2FA to make transactions. For initial authentication it would work, but it would have to be yet another system on top of the 2FA they have to use for transaction validation.

[insomniacity]

That makes sense, thanks for the info.