Crypto market sentiment has fallen into “extreme fear” as Bitcoin slumped below $87,000.The Crypto Fear & Greed Index dropped to a score of 25, indicating overly bearish sentiment.Ripple's XRP, Solana, Dogecoin, and Cardano experienced significant losses, with XRP being the biggest loser.A total of $1.5 billion in crypto liquidations occurred in the last 24 hours, with Ethereum and Bitcoin leading in volume.