ZB is the blockchain-based eco-coin issued by ZB Blockchain foundation. It can be used and circulate in many scenarios of ZB ecosystem, which enables users to enjoy more rights and interests and makes the whole industrial service of the ecosystem more integrated. Of the total 2100 million ZB, 357 million is given to users for free in the early stage; 400 million is used for building a security fund for ZB users; 1.05 billion is given to users who buy prime membership on ZB.com; 293 million is allocated for marketing. ZB/QC, ZB/USDT and ZB/BTC trading have been opened on ZB.com. Users who pay transaction fees with ZB will enjoy 50% off.