Pai Coin is a digital currency based on Raspberry Pi 4 as the hardware carrier, using a self-developed Timer algorithm combined with a Linux mining system. Miners are evenly distributed according to their contribution of computing power. In terms of application, the project consensus will be expanded through the use of miners' mortgaged self built mining pools, locked warehouses for dividend distribution, and docking with third-party physical shopping malls and recharge systems, in order to achieve the goal of increasing currency prices. Pai Coin Mining Machine has the advantages of small size, quiet sound, and low power consumption, making it the preferred mining machine for home mining. At the same time, the project party can recycle the mining machinery in the later stage to maximize the benefits of the mining machinery....