隐藏的费用？？？

hidden fees???

i invested 200 dollars in Bitpay to a certain stephen pair his user name ,they asked me to pay 200 dollars for registration fee,then he told me that it profited 10000 dollars,he asked me to pay 300 dollars for withdrawal fee,after that he asked me again to pay 300 for the reflection fee,why are there so many hidden fees?aren’t he a scammer?