When the US-Iran war escalated in late February 2026, Bitcoin and other cryptocurrencies experienced sharp fluctuations as global risk sentiment turned negative. $BTC dropped quickly from around $70,000 towards $63,000 within hours, while $ETH and altcoins fell even harder due to panic selling, rising oil prices, and fears of higher inflation. Many traders earned money by shorting $BTC and altcoins through leveraged futures during the initial crash and heavy liquidations. However, the dips were often short-lived; whenever ceasefire news or de-escalation signals appeared, BTC recovered fast and rallied back towards $72,000–$78,000. Those who bought the dip near the lows and sold on rebounds made decent profits, while disciplined volatility traders benefited the most. In my view, this event clearly showed that crypto remains highly sensitive to geopolitical shocks and moves with overall market risk appetite. The key to earning in such situations is quick reaction, strict risk management, and never over-leveraging. Overall, the war increased short-term volatility but also created good trading opportunities on both sides for those who stayed calm and followed the news flow.