It's ironic you missed the real use case of both cryptocurrency and AI - it's to stop us destroying the planet, which might actually have been the plan of nature all along.
You are in for a rude wake up to reality because you can't see reality coming, and it's coming for you, all of us, it's in process of siezing our destructive energy supply in the most benevolent way possible, soon to force us over to exclusively solar energy. It will be the one in control after that.
Not long now.