According to @KobeissiLetter, the cryptocurrency market has experienced a significant erosion of $325 billion in market capitalization since Friday morning. This liquidity crisis was notably marked by the loss of $100 billion in just one hour at 5:00 PM ET without any major headlines, indicating a potential liquidity drying up in the market. Traders should be cautious of the volatility and potential liquidity risks currently present in the crypto markets.