Which methods does eBay use to find out whether you already have any other account with them? I always create account with different name, address, phone and different VCC details. I buy new prepaid anonymous simcard for internet connection every time I make a new account, so I have unique dynamic IP every time. But when I created the last 2 accounts and applied for seller account, I was always accused of using multiple accounts, their system had to find out somehow. I always clear the cookies and history, last time I even used different browser, but there was still the notice when I applied for seller account. They released it after I sent them documents they wanted, but this time I would like to avoid that. Do they control MAC address?