What is there we can see... We need specifically to understand how long will be the actual technology of the current mining .
I think that it will always be relevant, the question is how much is effective. I think few people now have first-generation miners.
Even first-generation miners bring excellent profits, there is nothing to be pitied. The question is, how much you are informing.
In fact, yes, the profit will be in any case, the question is how much and at what time interval.