IntroductionIn blockchain research, we usually fall into a real-world logic: How to use blockchain technology to change lives？ Such as medical treatment, government affairs, supply chain, communication, storage, etc. in real-world applications. This is a normal logical thinking orientation, and it is also a way through which the application of blockchain technology can be implemented and generally accepted. However, from a higher perspective, when we stand on top of Bitcoin, the source of the...