No it isn't. There's no reason for a complete course on this. Everything that someone needs to know about cryptocurrencies can be learned in a couple hours unless they are going to be creating their own, in which case, a single course isn't going to be in-depth enough to get them anywhere near that point. As an example exercise in class, sure, but an entire course would be nearly pointless.
And kick out or replace ... what? Operating systems? Data structures? Automata theory? The essay doesn't say.