Bitcoin is a decentralized currency It is very difficult to say whether such coins like Bitcoin will be discovery in the future. But in my opinion such coins will not be another discovery.
All cryptocurrencies now in circulation have the intention of conquering or outshining bitcoin; nevertheless, they lack distinctiveness and are centralized initiatives that cannot be fully trusted. Bitcoin is unique and decentralized; all future coins that will be generated or have already been developed are looking up to Bitcoin; as a result, I do not believe there will be another coin like Bitcoin.
We did not have another coin among thousand of altcoins can have decentralization like Bitcoin.
I think only XMR come close to bitcoin because it is decentralized as well.