#Laogao E-commerce News# [November 8 E-commerce Evening News Brief] Alipay launched the blockchain tool "Quizha" to protect the copyright of original pictures of Taobao merchants; Aurora Big Data: The average daily DAU of mobile Taobao in October reached 289 million; Pinduoduo: It will cultivate 100 imported brands with annual sales of tens of millions, and achieve annual sales of 200 billion imported goods; the State Administration for Market Regulation: It will effectively strengthen market supervision during the "Double 11" online centralized promotion period; Report: In 2018, China's billionaires reached 325, with a net asset scale of US$982.4 billion...