[Caixin: Additional Legal Risks in Issuing and Using U Cards Domestically] Foresight News reports that Caixin published an article titled 'The Secret Behind the Popularity and Fatal Risks of U Cards Heavily Promoted on Xiaohongshu.' The article points out that users can use bank cards bearing the Visa logo for payments such as ChatGPT Plus subscription fees, with the charges processed through USDT in cryptocurrency wallets. These types of overseas bank cards are commonly referred to as 'U Cards,' a form of overseas bank card that facilitates payments based on USD stablecoins. The Caixin article also highlights that issuing and using U Cards domestically carries an additional layer of unique legal risks. Whether this is a transitional product that will fade away or holds the key to the future payment landscape remains uncertain.