DigixDAO:
DGD is the ERC20 token of Digix project. DGD token is used to claim quarterly rewards based on the total DGX collected through transaction fees. DGD token is Used to pledge on DigixDAO proposals with the goal of increasing DGX adoption. DGD value fluctuates based on exchange rates and market forces.
Check the details at the official website: https://digix.io/
Deposit DGD at
https://gate.io/myaccount/deposit/DGD
Trade DGD at
https://gate.io/trade/DGD_ETH
and
https://gate.io/trade/DGD_USDT