In the recent frenzied bull market for Bitcoin, a 6-hour online course on Bitcoin released by Tsinghua University in China on Douyin has attracted significant attention from mainland internet users. Within five days of the course's release, it garnered 927,000 views, 54,000 likes, 36,000 saves, and 20,000 shares, briefly ranking seventh on Douyin's trending search list. (Background: Chinese state media: The U.S. attempts to embrace Bitcoin, signaling the fall of the dollar era) (Additional context: Chinese court ruling: Personal possession of 'virtual currency is not illegal' but behavior is restricted; can the injunction be lifted?) One month after Trump announced his victory in the U.S. elections, Bitcoin officially broke the $100,000 barrier on December 5, with a market value briefly exceeding $2 trillion, overtaking Saudi Arabia's national oil company to become the world's seventh-largest asset. Bitcoin trends. Source: OKX Spot. Tsinghua University's Bitcoin online course has become popular on Douyin. Notably, in the recent frenzied bull market for Bitcoin, the 6-hour online course released by Tsinghua University has attracted significant attention from mainland internet users. Within five days of its release, the course received 927,000 views, 54,000 likes, 36,000 saves, and 20,000 shares, briefly ranking seventh on Douyin's trending search list. It's worth noting that in the comments section of the online course, the interactions from mainland netizens seem particularly interesting. Many are asking how to download trading platforms and if anyone can provide relevant links. There are also screenshots from suspected cryptocurrency enthusiasts showing off their accounts, implying that they had invested early and have already made a fortune. Additionally, many are even promoting the public chain Core, claiming Core's potential is immense... In summary, users in the comments section of the video expressed either curiosity about Bitcoin or sought investment channels, with seemingly no one claiming that Bitcoin and cryptocurrencies are scams anymore. Can China lift the crypto ban? We know that whenever China is mentioned in the cryptocurrency space, people first think of the strict bans imposed by Chinese authorities. As one of the largest incubators of cryptocurrencies, China halted all ICO activities within its borders in September 2017 and comprehensively shut down cryptocurrency exchanges, followed by a mining ban in September 2021. Cryptocurrency-related activities have generally been deemed illegal in China. Although many individuals are still active in the crypto sphere, they often lack recognition and are generally considered to be operating in a gray area. However, with the U.S. having approved Bitcoin and Ethereum spot ETF products this year, Hong Kong followed suit by listing Bitcoin and Ethereum spot ETFs; simultaneously, after Trump's victory, major U.S. public companies and private enterprises began announcing investments in Bitcoin. Trump even called for the U.S. to include Bitcoin in its asset reserves; Russian President Putin also stated that no one can fully ban Bitcoin anymore... Against this global backdrop, whether China, as the world's second-largest economy and a long-term competitor to the U.S., will compete with the U.S. in Bitcoin has become one of the most concerning issues for investors. Ultimately, it is worth our continued attention whether China's stance on Bitcoin and other cryptocurrencies will loosen.