LastRoots provide cryptocurrency called c0ban is the world’s first crypto currency tied up with entertainment and advertisement services from the beginning. Its application will be released on App store and Google play on January 2017. It aims at destruction and creation of advertisement market by taking advantage of micro payment feature of blockchain. The paper describes initial introduction of c0ban, its business model and update information from version 0.12 released on September 2016 [1]. Regarding to blockchain, Bitcoin technologies are applied on c0ban because of its stable performance. Enhancement has been done to fit c0ban business model.