Dragon Token is the main item of Coin Dragon Master.

You can get 'Dragon Token' like the below.
1. When you get same dragon what you already got
2. Shop
3. Daily Shop
4. Token Exchange
5. Reward of Coin Collection

And you can use 'Dragon Token' like the below.
1. Exchange to other 'Dragon Token' on Token Exchange
2. Exchange to 'Coin' on Token Exchange
3. Exchange to 'Spin' on Token Exchange
4. Tier-up Dragon
5. Evolve Dragon