What is Kakao Account in Kakao Talk?

Kakao Account is an email based ID which is also used to check the subscriber of the Kakao Talk account.

When you log in with Kakao Account in Kakao Talk > More, you can retrieve information previously used in KakaoTalk in case you change your phone or phone number in the future.

* Information which can be retrieved with Kakao Account:
Friend list, Recommended Friends, Hidden Friends, Blocked Friends, items you purchased or received as gifts, Kakao Talk ID, profile photos, status message
(For friends whose phone numbers are not in your Contacts list, their names will be shown as they have set.)

* Note:
Kakao Account can be used with only one phone number.
You cannot use two phone numbers with one Kakao Account at the same time. If you connect your Kakao Account with a new number, your previous Kakao Talk account will be deleted.

When you go though verification with a new phone number and connect it to your Kakao Account, your previous Kakao Talk account will be deleted.