> their scarcity is "real" Then why does every imagined new application of blockchain also create a new coin-type? If someone really does come up with the kill

> their scarcity is "real" Then why does every imagined new application of blockchain also create a new coin-type? If someone really does come up with the killer app for blockchain personal banking...well then why would they deploy it on the existant bitcoin network. And the next killer app, and so on. Now everyone is using the killer-app coin, why would bitcoin maintain value, or any of the clones.