This article analyzes the major events in the cryptocurrency market from 2017 to 2022, including the ICO craze, COVID-19 pandemic, Terra ecosystem collapse, and FTX bankruptcy. These events had a significant impact on the market, leading to price fluctuations and changes in market sentiment. The article provides a detailed overview of each event, including its impact on the market and the lessons learned from each incident. Additionally, the article discusses the evolution of the cryptocurrency market from a speculative bubble to a more mature market, with a focus on innovation and regulation. The article concludes by highlighting the importance of finding a balance between innovation and regulation in the cryptocurrency market.