Still trying at this end. One of the codes says Brittrex Secret Code with 16 letters. Im a little wary that these attempted logins looks a little weird.
As it was said, 16 digit secret key is a 2fa code for your authenticator.
You can google this and come up with an answer.
What happens if I lose my 2FA device and my secret key?
If you lose your 2FA device, and don't have your secret key backed up, you can request two-factor authentication to be disabled on your account via email if and ...
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How do I recover my 2FA code?
Just use your authentication key (open your authentication application (app for 2FA) on your phone/device and manually enter the sixteen-character authentication key or scan the QR code you saved when enabling 2FA) to reinstall the 2FA codes in your authentication application and regain access to your account.