For many years I have seen that bitcoin will always be the leading currency. There are thousands of other coins that entered the market but only bitcoin withstand for years and even moon wit the all time high price. No one knows and can predict the great future of Bitcoin.
Crypto and Bitcoin currencies are especially created using technology and keep abreast of the times and all possibilities can happen without us being able to predict with certainty the confidence of investors who can make bitcoin survive and possibly will become the main currency and even crypto currencies too will be needed as technology develops