As of December 30, the cryptocurrency market experienced a brief surge followed by a general decline, showing a widespread downturn.

Market Overall Performance
Total Market Cap Shrinks Significantly: In the past approximately 19 hours, the overall market cap fell nearly $100 billion from its peak.
Key Coins Drop: Bitcoin briefly surged above $90,000 but quickly retreated, once dropping below $87,000 during the day. Ethereum also fell below the $3,000 mark.
Sector Declines: All market sectors declined, with the NFT sector leading the drop with over 5%. Layer2, Meme, and other sectors also experienced significant declines.

**Market Sentiment and Analysis**
This correction has shifted market sentiment to extreme caution, with the cryptocurrency fear and greed index dropping to 23, indicating an "Extreme Fear" state. Overall, the market shows a trend of profit-taking and weakening sentiment heading into the end of the year.

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