Expanding currency is a decentralized and shared consumption digital asset based on blockchain technology. How to digitize consumption resources and achieve market circulation through transactions has become a new highland in the digital world where various fields have invested heavily in exploration and research and development.Expanding Coin, as a project that combines blockchain with actual business, is an alliance chain project located on the underlying platform of blockchain commercial consumer applications. Aim to create a secure, stable, transparent, and tamper proof distributed shared consumption platform, and digitize and blockchain the shared consumption model assets....