Dengba inn, the predecessor of Dengba planet, was founded in 2007. After 12 years of operation and development, 88 Dengba inns have been established in 70 cities in 10 countries around the world. More than 1,000,000 Backpackers come to Dengba every year, and nearly 50,000 online Backpackers have formed in recent years. Backpackers are a group of free groups with similar values. This allows Dengba to bring its own natural community attributes of blockchain. With the strong commercial performance of Ultiledger public chain agreement, it assists the original Dengba business, builds a new business model, and constructs the largest decentralized backpacker community in the world.