Yes it is true that Altcoins serving as an alternative to btc and the creation of altcoins brought about positive results in the crypto market. although not all altcoins can act as a replacement for btc. Some are not stable or reliable.
Several altcoins have copied Bitcoin hard cap including folks of Bitcoin itself. However, only Bitcoins hard cap is reliable for some reasons. In the recent times,Bitcoin have truly claimed to be separated from all other coins.altcoins or any currency for that matter which is in unity, cannot reliably establish a hard cap as the authority in charge can simply revoke that hard cap at any point. Alt