Checked with Japan's National Tax Agency, and the market rumors about Binance sharing user information with the global tax framework CARF (Crypto-Asset Reporting Framework) have been confirmed to exclude mainland China. However, it includes 48 countries like Singapore, Canada, South Korea, the Cayman Islands, and also Hong Kong. The effective date is January 1, 2026, and tax reporting and payment must be completed by April 30, 2027. Unless you're planning to fully localize to mainland China, give up overseas identities, stop using overseas bank accounts, not study abroad, or become a long-term resident overseas, avoiding this will be a hassle.