Nathan Towianski is a serial fraud and a scam artist. As of 12/30/2017, we know of at least two victims in December 2017. He should be arrested immediately.
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He stated that he worked for a reputable company and got the victim to invest $3,500, leading the victim to believe that they were investing in cryptocurrency with the reputable company. On 12/29/2017, the victim contacted the company, and they reported that they have no affiliation with Nathan Towianski and that he has never worked there. Nathan Towianski took the $3,500 of the victim for himself.