HFH (HT cash) is a point-to-point electronic cash system based on blockchain technology, which is used for new Internet infrastructure - it can diversify the ways to enhance the sharing of information and value in the digital economy, and in this process release the unused trillions of dollars of economic surplus. HFH has a flexible, intuitive, and intelligent contract programming platform supported by HRC20. We firmly believe and are committed to promoting HFH as the foundation of a global, secure, and decentralized Internet of Things (IoT)....