最新报道:Bitcoin fell 5% to $86,800, with broader crypto indices down over 6%, as concerns over Bank of Japan rate hikes and soft Chinese data dampened risk appetite. The DeFi platform Yearn suffered a $9 million hack, adding to over $9 billion lost to scams and exploits in the past year, highlighting persistent security challenges. Market focus now shifts to Fed Chair Jerome Powell's speech for cues on monetary policy.