2026-03-17 03:30—03:45 (UTC), BTC experienced a sharp decline, with K-line data showing a yield rate of -0.54%, price range between 74350.0—74829.0 USDT, and amplitude reaching 0.64%. During this period, market attention increased, volatility intensified, and the short-term downtrend triggered widespread tracking. The main driving force of this anomaly was multiple on-chain large transfers exceeding 500 BTC each, primarily flowing to a major exchange, resulting in an increase of approximately 3,200 BTC in the exchange's hot wallet balance. This triggered concentrated selling pressure, prompting