Coins are currency that are exclusive to the Android and iOS WEBTOON app, You can use Coins to unlock Fast Pass or completed series available through Daily Pass to read ahead and support your favorite Creators. The number of Coins you need to use for each episode may vary depending on the WEBTOON series.
Coins can also be used to unlock Daily Pass episodes. For each Daily Pass series, you will be able to unlock one Daily Pass episode for free each day. Each unlocked DP episode will be available for 14 days. You can also unlock the episodes using Coins, and these episodes will be available to you for as long as the series is on WEBTOON.