An encrypted digital currency issued by the KTV ecological chain based on blockchain technology. Relying on physical resources, the KTV ecological chain uses blockchain technology to achieve global seamless links, mutual sharing, and win-win results, thereby empowering the physical ecology. Relying on physical resources, the KTV ecological chain owns a large number of large-scale industrial complexes, including NightClub (KTV) global high-end nightclubs, KTV, discos, nightclubs and bars and other nightlife entertainment groups. NightClub gathers the bosses of the global multi-national entertainment industry and a number of investment institutions, enters the blockchain industry, unites more than 90% of the world's high-end nightclubs, pays with the KTV ecological chain and enjoys high-end treatment, and at the same time destroys part of the profit income of the KTV ecological chain pass .