Why do altcoins follow bitcoin?

[realknow]

because bitcoin is a coin that is very influential in the world of digital currency for that rising and falling prices of bitcoin can have a good and bad impact on coin-coin underneath because bitcoin is like the king of crypto digital.

[Trustor]

The foremost coin that got introduced was the bitcoins and the bitcoins really has a successful history on making advancement in the coins and the later on the coins which have been coming in the work is also due to bitcoins work process and if the bitcoins price seems to go down then whole the market comes into corrupt because one way or another every coin depends upon bitcoins and you will find fewer coins where the effect of bitcoin price is less affected over them but the altcoins are now under the eth so will say the same for that.