[Today in History: 8 Years Since China's 'September 4th' ICO Ban] BlockBeats News, September 4 — On September 4, 2017, seven central government departments in China jointly issued a ban on ICO activities. On that day, Bitcoin's closing price was $4,100, and it subsequently dropped to as low as $2,817 on September 15, 2017. On September 4, 2017, China's official authorities, including seven departments, released the 'Announcement on Preventing Risks from Token Issuance Financing,' halting ICOs and classifying them as illegal financial activities. All domestic virtual currency trading platforms were ordered to shut down within a specified timeframe and to stop registering new users.