According to @cz_binance, crypto payments face a privacy problem; in the short term he says using a centralized exchange can avoid it, but the exchange will hold the information, impacting data exposure during transfers; source: @cz_binance via X on Dec 18, 2025. He adds that a proper long-term privacy solution is needed, underscoring venue choice and exchange-held information as key factors for traders managing payment flows; source: @cz_binance via X on Dec 18, 2025.