Coins may be added to your balance for the following reasons:
1) A purchase was refunded due to service issues.
Your Coin balance may increase if your content purchase was refunded due to service issues. You can go to ‘MORE’ to check your Coin balance.
2) You won Coins in an event.
You may have automatically received Coins for winning an event. Please check the email associated with your WEBTOON account for the event announcement.
If you have any other questions regarding Coins, please get in touch with our Community Support team