The statement that the global cryptocurrency market capitalization increased by approximately US$170 billion over a 24-hour period is well supported by authoritative and directly relevant primary sources that provide real-time market cap data. The CoinMarketCap API documentation offers trusted and verifiable global metrics that confirm specific daily increases or decreases in cryptocurrency market capitalization. CoinMarketCap's news report discussing a 24-hour movement explicitly quantifies this approximate $170 billion rise, providing a direct data point consistent with API outputs. The Office of Financial Research blog's analysis on crypto market concentration and volatility aligns with the plausibility of such large single-day fluctuations, reinforcing contextual validity. Secondary and less relevant sources, like the Bureau of Labor Statistics or corporate press releases, neither contradict nor meaningfully contribute to this claim. Overall, the data from direct market trackers supports the magnitude of change described, and no credible evidence contradicts the event. Thus, the statement is assessed as likely true with high confidence, given consistency, authority, and direct empirical support.