According to the source, approximately $140 billion was wiped from the total crypto market capitalization in the past four hours, indicating a rapid, broad-based drawdown across digital assets (source). According to the source, the figure reflects aggregate market value rather than a single asset, underscoring market-wide selling pressure within a short intraday window (source). According to the source, the speed and size of the 4-hour crypto market cap drop point to elevated short-term volatility that traders should monitor closely (source).