Voted for Other (please, comment).
I have no idea, but let's mix two (or more) answers together:
He’s working hard on new crypto-projects in his huge tropical island swimming pool.
Or maybe he is making something totally different.
Maybe he is both working hard on new crypto-projects and making something totally different. But probably he don't doing that in his huge tropical island swimming pool. :D
But hey, who knows... Maybe he is.
Or maybe he is just relaxing in his huge tropical island swimming pool without doing anything else.