Bitcoin and Ethereum have broken key support levels, with Bitcoin falling below $80,000 and Ethereum below $1,700.The overall crypto market cap has plunged by 5.38% in a short period, leading to concerns of a market-wide shakeout.Solana is at risk of dropping below the $100 mark, with key support levels at $95-$88 and a worst-case scenario at $80 if Bitcoin crashes further.Traders should prepare for volatility and closely monitor the $100 zone.