I personally don't think that you're a scammer but in all honesty it's stupid for somebody to give you 100% of the money to buy an asic. Put yourself in the shoes of the lender, they either give you the money an make some interest back or they buy it themselves and get all of the profit from the ASIC. Either way its a massive  gamble on both sides because on one side you could turn out to be a scammer and one the other side the asic might never pay back for it self.