Is it possible to identify a person by looking into Bitcoin transaction history?
I mean tracking IP address is even possible by analyzing Bitcoin transaction history?
i can says its something approach impossible, why?
if the address using TOR Network is approach imposible, some address can instanly be tracking if someone posting it in forum, website or tags in blockchain.info,
if you want to learning about TOR connection in bitcoin read here
https://en.bitcoin.it/wiki/Setting_up_a_Tor_hidden_service