According to Fox News, Senator Marco Rubio stated that the United States is waiting for a formal ceasefire proposal from Russian President Vladimir Putin following a recent phone call with former President Donald Trump (source: Fox News Twitter, May 20, 2025). This significant geopolitical development has the potential to influence global financial markets, including crypto assets, as traders watch for shifts in risk sentiment and capital flows. Crypto markets often react to major geopolitical news, with potential volatility in Bitcoin and stablecoins as investors assess global uncertainty and potential de-escalation in Eastern Europe.