First of all, what is a killer app ?
I will describe it like an application who force user to do the step, if they want to use the application they will need to use something new that they was not using before. For example take the game of gameboy that force you to buy the gameboy station. If you want the new pokemon game, you will need to buy the new gameboy color.
In the case of ethereum I see it more like the application who will change everything. The new application that all the world will rush and bring more fame ethereum!
Definition of "The killer app" from wikipedia :
"In marketing terminology, a killer application (commonly shortened to killer app) is any computer program that is so necessary or desirable that it proves the core value of some larger technology, such as computer hardware, a gaming console, software, a programming language, a software platform, or an operating system.[1] In other words, consumers would buy the (usually expensive) hardware just to run that application. A killer app can substantially increase sales of the platform on which it runs."
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Anyway I love ethereum so I will post more about it.
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