The only real other cryptocurrency poised to exchange Bitoin, r rather surpass it in market cap we ought to say, is Ethcoeum. The only reason behind this is on the basis that hundreds of companies depend on ETH to run their company, where as Bitcoin is more so of the individualized expense type of factor for many.re
it will be the forever hope for the other cuurencies that they will replace bitcoin. bitcoin is now very strong crypto currency in the world market. it has the highest value in the market than all other crypto currecies. the rising rate of the bitcoin is also very high. the security is a plus point that bitcoin is. Other crypto currencies can hope only that they will replaced the king ''BITCOIN".
this is Empty talk, because Bitcoin is Bitcoin and there will not be such an alternative. Already many have tried to create something like, and even today we have Bitcoin twins. But nobody could compare even with the price of this crypto currency. But coins are used and valued today, but they are not equal to Bitcoin.