Bitcoin is known as the first coin over established in 2008 and has the highest market cap of $108,617,372,869,00
current price of $6,300.21.
On the coinmarketcap, they are coins with higher prices than bitcoin like,
1, Bit20 (BTWTY) with price of $177,216.60
market cap of $180,052.00
2, Project-x (NANOX) with price of $26,761.96
Market cap of $2,094.00
3, 42-Coin with price of $24,183.25
Market cap of $1,015,69.00
We have coins with some awesome project, so why is btc regarded as the king of coins and it's so unique than others?
For estimation, it is necessary to take into account the total capitalization, the volume of trades and there is still such indicator as the number of transactions per day. All 3 projects are corpses without volume of trades, you should forget about it.