[Bitcoin leverage nears $40 billion, market tense ahead of key Fed vote] Total Bitcoin market leverage has approached $40 billion, indicating that investors are ramping up bets ahead of the critical Federal Reserve interest rate decision. The Fed's policy decision could significantly impact market liquidity and risk appetite, leaving investor sentiment highly tense. Analysts warn that high leverage could exacerbate market volatility, and potential risks should be closely monitored. (Decrypt)