Hong Kong Financial Secretary Paul Chan published a "Secretary's Essay" stating that making good use of blockchain and artificial intelligence technology is an inevitable trend in future financial development, yet it also brings real governance challenges, such as criminals and terrorists attempting to exploit regulatory differences between jurisdictions for money laundering and fundraising activities. Hong Kong's principles, practices, and experiences in digital asset development and regulation are ahead of Europe. There is significant room for cooperation and mutual learning, which can not only promote the healthy development of the industry but also contribute to global governance.