Start a fraudulent IPO of anything looking like NXT descendant or another "fashionable" project. Cash out and then just disappear. ROI will be infinite.
P. S. you dont need the 200k USD .You just need one well looking webpage and many fake accounts to make self-approval.
P. P. S. thank for the reward, here is my BTC wallet 1AhJmhdWTsUcpwGjWdGSUXZKi2dqt2FWRN
What do you mean with the acronym "IPO"?