To change the PIN of your CiNKO wallet, you can follow these steps:
Open your CiNKO wallet
Access your profile in the upper right corner of your screen.
Go to 'Profile Settings'
Select 'Security'
Click 'Change Your Pin'
Enter your current PIN
Enter your new PIN, then confirm your new PIN
Finally, press 'Save'
You're all set! You have your new PIN.