They literally don't support the curve,  they're a fido appliance, same reason you can't use a yubikey as a hardware wallet

So are you a scammer or just a moron?

Okay! If the first part of your reply is wrong, can we assume the second part is also wrong?

Passkeys can't sign Bitcoin transactions, so you're omitting something as to how it works

bitcoin

lightning

Piggy is back! Self-custody this time. You were right.

Passkeys can't sign Bitcoin transactions, so you're omitting something as to how it works

Also Spark isn't self-custody