#比特币市值排名 Bitcoin's market value is approximately $1.2 trillion (specific value fluctuates with price and needs real-time updates).

- Market capitalization calculation formula: circulating supply × price of one Bitcoin.

- The circulating supply of Bitcoin is approximately 19.7 million coins (the maximum supply cap is 21 million coins).

2. Market share (dominance)

- Bitcoin accounts for 50%-55% of the total market capitalization of the entire cryptocurrency market, this ratio usually increases during bear markets and may slightly decrease during bull markets due to the rise of altcoins.

3. Comparison with other cryptocurrencies

- Second place: Ethereum (ETH) has a market value of about 1/3 of Bitcoin (approximately $400 billion).

- Stablecoins: such as USDT (Tether) have a market value of approximately $110 billion, but since they are pegged to fiat currency, they usually do not compete directly with Bitcoin in rankings.

Historical background