According to Fox News, the US State Department has issued a worldwide caution for US travelers following President Trump's recent military strikes against Iran (source: Fox News, June 23, 2025). Historically, heightened geopolitical tensions have led to increased volatility in global financial markets, including cryptocurrencies. Traders should monitor BTC and ETH closely, as such events often drive safe-haven demand, causing price surges or sudden swings. Previous incidents have shown a correlation between geopolitical unrest and rising trading volumes and volatility for major crypto assets (source: CoinMetrics, 2023).