The order has been signed, no selling, no buying

Is there any bad news? Why did Bitcoin drop five thousand dollars in just a few minutes? I ran away in confusion and said I would wait for a rebound to come back, but is it really going to drop to zero in one go? I don't dare to short anymore, I've been scared after being trapped for a few days $ETH

$SOL

$ADA

#白宫首届加密货币峰会