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!
USDQ is a decentralized stable coin, which is backed by bitcoin and pegged to the dollar, so 1 USDQ = $1 USD.