^^That screenshot^^ is no proof as anyone can make a widget which tracks some huge latest transactions and display it on the site. That is no proof of payment and anyone who have been dealing in cryptocurrency for some time now already knows this.


 This is the address of the scammer: https://etherscan.io/address/0x4bb15e69b190f33ff163c2a6c2e70d3b427e8525 and two guys have already fallen for this  .