Analysis of the reasons for the rise of Bitcoin:

Market sentiment: Despite the lawsuit filed by the U.S. Securities and Exchange Commission (SEC) against Binance and Zhao Changpeng, the market demand for Bitcoin remains strong. This shows that investors' confidence in Bitcoin as a safe-haven asset remains.

Bitcoin ETF: Bitcoin spot ETF continues to attract capital inflows, with a net inflow of US$105 million in 15 days. This shows the continued interest and confidence of institutional investors in Bitcoin.

Technical analysis From a technical perspective, the price of Bitcoin shows a certain upward momentum: Support and resistance levels: The current support level is around US$70,000 and the resistance level is around US$72,000. If Bitcoin can break through this resistance level, it may rise further to US$75,000.

Moving average: The 50-day and 200-day moving averages show bullish signals, indicating that both short-term and long-term trends tend to be upward.

Market factors Macroeconomic environment: Increased global economic uncertainty has driven investors to seek safe-haven assets. Bitcoin, as digital gold, continues to attract investors' attention. Institutional investment: More and more institutions are participating in the Bitcoin market and investing through ETFs and other investment products, which provides strong support for Bitcoin prices.