X-Block is a user-friendly and lightweight ecological chain. X-Block, based on the idea that Fog is a lighter layer than cloud, adopts the idea of light node access and decentralized computing. The light blockchain constructed by Fog computing can utilize each device to become a node of the Fog computing layer and aid adaption to the high-concurrency business requirements and complete the seamless integration with the Internet. This ultimately forms an ecological chain with stronger overall performance, higher carrying eficiency, more practical applications, and accessibility for everyone.