In 2019, the crypto-transaction market was flourishing, the old-fashioned exchanges were new and steadily moving forward; the new exchanges were playing constantly, and then catching up; the centralized exchanges looked to the future and seized the position. At the same time, derivatives trading is also a thriving scene. Disputes continue, how should the exchange speak for itself? In-depth analysis, how can investors use cryptographic derivatives more reasonably? For more information, please pay attention to the live broadcast of Babbitt Shenknows between 20:00 and tomorrow night. Welcome to scan the code and enter the keyword "SK" to watch the live broadcast.