Recently, the focus of attention in the cryptocurrency sector has once again centered on the changes in investor sentiment. According to the latest data from a professional analysis platform, the Fear and Greed Index for cryptocurrencies has climbed to 74 points, indicating that the market sentiment remains in a 'greedy state' since it rose from 71 points yesterday. This indicator quantifies the level of fear or greed among investors towards the market, providing a tool for investors to assess market sentiment. The high value currently suggests that market participants generally hold a positive outlook on investment prospects, with increased market vitality and confidence. However, it is worth noting that while the mood is high, investors should also exercise caution and avoid the risk of over-optimism.