Bithumb Index

User Guide
Set / disable Card OTP
  •   Would you like to apply for Card OTP?

    Card OTP is a one-time verification method using a real card which strengthens security more.

    Card OTP can be received at off-line Customer Centers.

    • If you hold less than 10,000 won (KRW), payment cannot be made and 10,000 won will be deducted upon application. 

      Would you like to use Card OTP? 

     Card OTP settings can be registered at ‘Security Center’.

    ② Click ‘Card OTP Verification’.

     Link the serial number on the back of the OTP card and OTP verification number.

    ④ After linking is complete, you can enter the Card OTP code to log in.


      Is login difficult since you cannot use your Card OTP?

    OTP can be disabled if login is difficult from issues such as lost card OTP.

     After completing reset, the Card OTP cannot be registered again.

    ① Photo of yourself holding your passport
       : Please take a photo of your face alongside your passport.
       : Please attach a memo on the passport with your name and photo date (document submission date).

      Would you like to stop using Card OTP? 

    Card OTP disabling is possible after login from the 'Security Center'. 

     'Click ‘SMS Verification’.

    ② Enter your security passcode.

     Enter the OTP generated number. (OTP Code Number)

    ④ Complete mobile phone SMS verification.

     After the OTP has been disabled, you can your security passcode instead of the OTP authentication number to log in.

Guide list