Because Bitcoin is the only cryptocurrency till now that offer real world use cases without thinking about profit and it can be accepted by government because it's 100% transparent for sure.
While the rest are profit oriented, before they launch the coins, the developers already thinking about the money they will earn. While another successful coins are against government since they're enabled privacy features from the protocol, it's not popular since the government hate it for their unlawful practices.
While the rest are profit oriented, before they launch the coins, the developers already thinking about the money they will earn. While another successful coins are against government since they're enabled privacy features from the protocol, it's not popular since the government hate it for their unlawful practices.