Why did you leave the cryptocurrency/bitcoin world anyway? 3 years is a long time, things have definitely evolved and uprooted from their previous state. 500,000 people use bitcoins everyday

My project idea is still in construction but I think that me and the people involved have learnt a lot about bitcoins and its time for us to contribute our time and skill into something we truly believe in

well back in the days I used bitcoin only in the field of mining so I was a miner more than someone who knows what bitcoin was in general until my video card said goodbye to me so I didn't tried to really mine after that and by then I was still busy with college and stuff so I kinda forgot it until lately I said it's time to give it another shot since I have more freedom in my time now
I would advise you to use the skills you already have and connect them with bitcoins. A lot of people think that there are very low paying jobs or not enough jobs in the failed of cryptocurrency but actually that is nowhere close to the truth. There are many opportunities, people just fail to notice. I hope you make good use of opportunities you discover and do justice by it. Good luck.
Can you tell me where those good paying jobs are? All jobs all I see are low paid, Amazon m-turk type of tasks. The serious big jobs are still being paid on fiat.
As for creating businesses, I cant think of stuff that isn't already there. Casino, exchange, already existing business but accepting Bitcoin.. its not as easy.