How to fix them? This account never cheated, Whether it is a scam or fraud of various trades. As credit card every time I use my own money and credit card verification number, then enter the two deductions verify ownership every time. Because this account I used to play Dota 2 a long time. And last I made a trade with the other party. Exchange traded it for another day, I receive messages such as accounting fraud. I'm so seriously guide to solve the problems mentioned.