GDC is Global Digital Content token for millennials that is consumed in a variety of content services including media, digital commerce, game, and entertainment. GDC is used directly in the services we developed and partnered amid our constant efforts on enhancing use cases.
TOPCOIN is a type of crypto-currency, released February 2nd, 2014, with which you can make instant person to person payments, anywhere in the world. TOPCOIN also has a built in staking feature that allows you to collect more coins if you have some in your wallet!