What happens if I don’t have the Authentication key to restore lost 2FA? ICONOMI - Gregor K. June 27, 2017 19:47 Updated Follow If you did not save the 16-characters Authentication key we need to reset your 2FA. Please contact us, as you will need to go through our ID-verification process. Related articles What happens if I lose/change my device/phone? My 2FA is not working properly. What can I do? How can I change my 2FA application/device? When do I need to use 2FA? How can I make a deposit to my account? Comments 0 comments Article is closed for comments.