#BTC On September 22, 2025, the global Crypto Assets market experienced severe turbulence, with Bitcoin prices falling below the psychological threshold of $90,000, a single-day decline of 6.23%, and Ethereum plummeting by 10.34%. The total market capitalization of Crypto Assets shrank by over 4%, nearing the $900 billion mark. This big dump is the result of multiple factors: the impact of Trump's tariff policy triggered market panic, the tightening of regulations under the European MiCA legislation, frequent security incidents at exchanges heightened investor concerns, weakening macroecon