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How to find your Public Account ID on Kraken Classic
This article is for clients using the Kraken Classic legacy platform. 
If you are using the new Kraken interface, click here!
Your Public Account ID can be found under the Settings > Account page of your account. Hover over your name in the upper right corner to navigate to Settings > Account. It is 16 characters long, starts with "AA" and uses numbers and upper-case letters.

Finding your Public Account ID on the Kraken app

To find your Public Account ID on the Kraken app, go to the App settings tab, click on Account details and your account number will appear. You can tap it to copy the ID to your clipboard as well.

Public Account ID vs Username

The purpose of the public account ID is so that you can keep your sign-in username private.
Public Account IDUsername
Created by Kraken (automatically) during account creationChosen by you during account creation
Used for discussing your account with 3rd parties (including Kraken Support)Used only for sign-in
Cannot be changedCannot be changed