Certainly it is a much longer payback. That is why many investors/speculators shy away. However, I mentioned space because that is a heavy investment up front and a very long term time horizon.
In my view, we need a lot more of the later as opposed to the former. This is where the major leaps in society come from. Perhaps, over time, we see a fair portion of crypto going into these areas as opposed to the latest IT based application.
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