You are 100% going to scam - you've stated as such already. You won't even try hard as you don't need the project to succeed.
In the event of a successful launch of the project...
So you make a Ukrainian corporation, then spend all your money on trips for members of your team not in Ukraine, after saying all your team members are in Ukraine.

If your investor has a legal stand (good luck - ukraine isn't in nato for a reason), your defence is simple - you spent the money as you said you would (
hey, those limos out there aren't free) and things just didn't work out. You're very sorry, but thank goodness you didn't tie your name to it - you can try again.
If you are serious about building a mining farm, tell us who you are and your education/experience. Then we can help you reduce your setup expenses from $150,000 by 80% or more. We can give you advice, help you meet with investors without expensive caviar meetings, etc. But please don't continue asking for any irreversible currency unless you are willing to identify yourself, provide properal collateral (if it is your last house yes we take it) or provide more than just words.