美联储沃勒：风险敞口导致主流公司抛售加密货币。

Core Viewpoint - The Federal Reserve's Waller indicates that risk exposure is leading mainstream companies to sell off cryptocurrencies [1] Group 1 - Mainstream companies are experiencing increased risk exposure related to cryptocurrencies [1] - The sell-off of cryptocurrencies by these companies is a response to the heightened risk environment [1]