For clarification:
Yubikey has TWO built in keys, the "short press" and the "long press" key.
So by pressing and holding for more than 2-3s it actually sends a different key
The MT.Gox security app has set one key (short) to login, and the other (long) for withdrawal.
Topic: MtGox mistakes YubiKey with OTP (resolved) (Read 1243 times)
There used to be a text asking for a long press (>3s IIRC) when you use your Yubikey for withdrawals.
Try to hold the yubikey button for a few seconds instead of simply touching it.
Thanks! This worked. I am surprised - because for logging in I use the quick touch and I get in.
Try to hold the yubikey button for a few seconds instead of simply touching it.
+1 
Try to hold the yubikey button for a few seconds instead of simply touching it.
When I try to withdraw anything (bitcoins via codes or define a bank transfer beneficiary) the forms ask for a YubiKey or OTP - I use YubiKey so I touch it and it sends a code into the form - but then I always get an "Invalid OTP" error. Has anyone encountered this? And yes - I just sent a help request to MtGox - but I'd like to know if I am the only one with this problem - it looks like something pretty fundamental for all YubiKey users.
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