Because tumblers/mixerss usually operate under TOR and are by default rogue agents, while exchanges are legal entities with AML and KYL practices, and if not, I wouldn't touch them with a 2000km titanium pole.
Thanks. But Bittrex and Polo don`t give a fuck of who you actually are, right? You can open as many accounts as you want. But maybe you wouldn`t touch them with that pole
