Crypto Price Today: Bitcoin holds $21,000; Dogecoin & Ethereum drop most
The global cryptocurrency market cap was trading marginally higher at the $1.06 trillion, almost unchanged in the last 24 hours. However, the total trading volume increased slightly to $72.92 billion.
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### Instruction: Crypto Price Today: Bitcoin holds $21,000; Dogecoin & Ethereum drop most

### Response: The global cryptocurrency market cap was trading marginally higher at the $1.06 trillion, almost unchanged in the last 24 hours. However, the total trading volume increased slightly to $72.92 billion.