After logging in, please "Create Wallet" from the Profile on My Page.
Enter your phone number on the phone number input screen and click "Agree to the Privacy Policy and send" and a short message with a Verification Code will be sent to you.
Enter the Verification Code (6 digits) and "authenticate" to be promoted to "Auctioneer".
If you do not receive the verification code after waiting for a while, please check that the phone number you entered is correct and then "resend the verification code".