Speculation has been mounting that the digital yuan will be used to displace the US dollar and circumvent sanctions. In retaliation, financial institutions can be targeted whereby US dollar payment or financial system access can be sanctioned. If the United States weaponizes the dollar, the digital yuan will not provide sanction protection beyond the status quo. The digital yuan’s true innovation is the ability to manage capital controls and facilitate financial liberalization. Being a programmable currency, the digital yuan enables Mainland China to open its economy more expeditiously than would normally be possible, while providing the regulatory levers to manage monetary and financial stability. Mainland technology companies are instrumental in the circulation of the digital yuan through electronic payment platforms. These same technology companies have recently established virtual banks and stored value facility payment platforms in Hong Kong. This chapter argues that technology is introducing new risks into Hong Kong’s banking system which pose a material risk to financial stability. To manage these risks, financial data supervision and infrastructure is required which currently does not exist. With the recent growth surge and volatility in cryptocurrency markets, the current approach of neglecting financial stability supervision is erroneous and reckless.