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!
Measurable Data Token (MDT) is a decentralized data exchange ecosystem connecting users, data providers, and data buyers and denominates the value of data.