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? How do I enable 2FA? How do I disable 2FA for my account? Levels of verification and tier limits How do I verify my account to Tier 2? Comments 0 comments Article is closed for comments.