Historical "black swan" events in the cryptocurrency market include the Mt. Gox Hack (2014), the collapse of the largest Bitcoin exchange at the time; the ICO Bubble Burst (2018), the crash following the initial coin offering boom; the COVID-19 Market Crash (2020), a sharp decline in prices due to global economic uncertainty; and the Terra (LUNA) Collapse (2022), the implosion of the Terra ecosystem and its stablecoin UST. These events highlight the market's volatility and the importance of risk management.