Hello @yoo1900 and my fellow steemians, have we heard of Dent. Dent is a cryptocurrency app which gives you free coins on registration and you get extra 20dents for every referall. Now what do we use dent coins for?. W use dent coin for purchase of Mobile Data. Data is one essential tool in the world today. Read about it here to learn more.

https://steemit.com/ulog/@egetex/ulog-003-dent-send-data-top-ups