BKBC is an ecological currency issued by Coinbkb Int'I Group Linmited based on block chain. It can be used and circulated in many ecological scenarios of Coinbkb, so that users can enjoy more rights and interests in the Coinbkb ecosystem. The total amount of BKBC will never increase by 100 million. Early ecological partners held 10 million yuan, trading mining gave 65 million yuan free of charge, team owned 10 million yuan, and community construction 15 million yuan. It can be used in BKBC life service application platform, including all kinds of recharge fees, commercial circulation, public welfare, and destruction.