When you sign up on KissKissBankBank, you choose a password that is saved into our system. If you forgot your password, check: How can I reset my password?
To change your password, sign in to your KissKissBankBank account, click on your profile picture or username on the top-right corner of the page, and click on "Update my profile".
At the bottom of the page, you will be able to change your password. Don't forget to click on "Update my profile" to save the change.